US3164522A - Method of using diphenylazo compounds as direct dyes in alkaline media on human hair - Google Patents
Method of using diphenylazo compounds as direct dyes in alkaline media on human hair Download PDFInfo
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- US3164522A US3164522A US133000A US13300061A US3164522A US 3164522 A US3164522 A US 3164522A US 133000 A US133000 A US 133000A US 13300061 A US13300061 A US 13300061A US 3164522 A US3164522 A US 3164522A
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- Prior art keywords
- hair
- dyeing
- trihydroxyazobenzene
- dihydroxyazobenzene
- amino
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
- A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/30—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts
Definitions
- Dyes of this type generally do not have the disadvantages of dyes of the type referred to above, but they have other disadvantages owing to which they have rarely been used for dyeing hair.
- novel azo compounds for use in dyeing hair and other keratinous fibres which are azobenzenes which contain as substituents in one of the benzene rings at least two hydroxy groups or an amino group and at least one hydroxy group, and the other benzene ring of which carries no substituents or may carry at least one hydroxy substituent.
- compositions for dyeing hair or other keratinous fibre which comprise aqueous solutions of azobenzenes as just defined. 7
- a method of dyeing hair or other keratinous fibre which comprises applying thereto a composition containing an azobenzene as just set forth.
- the dye solutions of the present invention color hair very strongly, especially in the presence of 3,164,522 Patented Jan. 5, 1965 ammonia, and at pH 7 or higher, i.e. under the conditions normally employed in hair dyeing.
- azobenzene dyes according to the invention may be used in mixture with one another or even with other coloring agents which effect dyeing under similar conditions.
- the dyeing solutions according to the invention may conveniently be prepared by dissolving the substituted azobenzene either in water or in an aqueous solution of alkali salts of weak acids of pH between 7 and 11.
- the substituted azobenzene may be dissolved in ammonia or in a caustic alkali solution diluted with water and then, if necessary, there may be added to the resulting solution a product capable of lowering its pH, such as an acid-0r an acid salt such as sodium bicarbonate or monosodium phosphate.
- the substituted azobenzene is dissolved in aqueous caustic alkali without a subsequent addition of a product lowering the pH, it is essential that the quantity of this alkali be lower than that necessary for saturating the hydroxyl groups of the substituted azobenzene so as not to impair the keratinic fibre which it is desired to dye.
- These substituted azobenzenes may be prepared by coupling a salt of diazobenzene met a hydroxy-substituted diazobenzene with a polyhydroxyl derivative of benzene or with an amino, monoor polyhydroxyl, derivative of benzene.
- the dyeing solutions according to the invention may contain, in addition to the substituted azobenzene, various ingredients which it is known to use in hair dyes, more especially wetting agents, foaming products, thickeners, and products intended to swell the keratinic fibre and to increase the penetration of the dye.
- Example I 0.5 g. of 2-amino-4:4'-dihydroxyazobenzene(obtained by coupling diazotized p-aminophenol with m-aminophenol) is dissolved with the aid of 3 cc. of ammonia solution (22 B.) and then made up to cc. with water. The pH of the solution is about 10.5.
- Naturally white hair whichhas undergone no previous dyeing or Example 'I V
- the procedure of Example I is followed, using 0.5 g. of 2:4:2-trihydroxyazobenzene (obtained by coupling diazotized o-aminophenol with resorcinol). The hair is dyed an intense reddish yellow color.
- Example V The procedure of Example I is followed, using 0.5 g. of 2:4 :4'-trihydroxyazobenzene (obtained by coupling diazotized p-aminophenol with resorcinol). The hair is dyed an intense-greenish-yellow color.
- Example Vl The procedure of Example I is followed, using 0.5 g. of 2:4:6:4'-tetrahydroxyazobenzene (obtained by coupling diazotized p-aminophenol with phloroglucinol). The hair is dyed an intense yellow color.
- Example VII The procedure of Example I is followed, using 0.5 g. of a mixture of 2:3:4-trihydroxyazobenzene and 3:4:5-
- hair is dyed a deep greenish-yellow color.
- Example VIII nated with the solution by means of a brush and, after a period of contact of 20 minutes, the hair is rinsed and optionally treated with a shampoo and again rinsed.
- Example IX 05 of 2-amino-4:4'-dihydroxyazobenzene is worked up into a paste in 2cc..of normal caustic soda solution and then diluted to .100 cc. with water and heated to the'neighborhood of boiling point. Hair is treated with the cooled solution, which has apI-I of about 9.5, as indicated in Example VIII. It is dyed a yellow shade.
- Example X 0.5 g. ,of 2:4:6-trihydroxyazobenzene is dissolved in 5 1 'cc. of normal caustic soda solution, and water and 16.5 cc. of sodium bicarbonatesolution (85 g. per litre) are added to obtain a total volume of 100 cc.
- This dyeing solution which'has a pH of about 9.1, imparts a yellow shade verging on green to hair under the conditions indicated inExample VIII.
- Example XI Asolution is prepared by dissolving 0.5 g. of 2:4:6:4'- tetrahydroxyazobenzene in 4.15 cc. of normal caustic soda solution in the cold. There is then added 8.4 cc. of
- Example XIII 0.5. g. of 2-amino-4:4'-dihydroxyazobenzene is dissolved in 5 cc. of a solution containing a mixture of sodium carbonate and sodium bicarbonate, of pH 9, and this solution is diluted with lukewarm Water to a volume of 100 cc.
- the dyeing solution thus obtained, after cooling, is buflered and possesses a pH of about 9.
- a method of dyeing live human hair which consists in; bringing said fibres into contact with an aqueous solution containing an azo benzene selected from the group consisting of 2:3:4-trihydroxyazoben zene, 324:5- rtrihydroxyazobenzene, 2:4: G-trihydroxyazobenzene, 2 :4: 2-trihydroxyazobenzene, 2 :4 4'-trihydroxyazobenzene, 2- amino 4:2 dihydroxyazobenzene, 4-amino-2:2'-dihydroxyazobenzene, 2-amino-4:4'-dihydroxyazobenzene, 4- amino-Z 4'-,dihydroxyazobenzene, and 2 4 z 6 :4-tetrahydroxyazobenzene, said solution being adjusted to a pH of 7 to 11, and being allowed to remain in contact therewith for approximately 20 minutes, then shampooing, rinsing and drying.
- an azo benzene selected from the group consisting of 2:3:4-tri
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution of 2:3:4-Uihydroxyazobenzene adjusted to a pH of between 7 to 11, and allowing said hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution of 3:425-trihydroxyazobenzene adjusted to a pH of between 7 to 11 and allowing the said to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution of 2:4:6-trihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which-cousists in bringing the hair into contact with an aqueous solution of '2:4:2-trihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution is about 8.9. Under the conditions indicated 0.5g. of 2:4:6-trihydroxyazobenzene is dissolved in 5 cc. of a mixture of monosodium phosphate and disodium solution of 2:4:4'-trihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution of 2-amino-4:2-dihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution of 2-amino-4:4'-dihydrooryazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution of 4-amino-2z4-dihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for appoximately 20 minutes, shampooing, rinsing and drying the hair.
- a method of dyeing live human hair which consists in bringing the hair into contact with an aqueous solution of 2:4:6:4-tetrahydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Cosmetics (AREA)
Description
United States Patent "ice 3,164,522 METHQD 0F USING DIPl-IENYLAZO IOMPGUNDS AS DIRECT DYES IN ALKALINE MEDIA ON HUMAN HAIR Roger Charla, Soisy-sous-Montmorency, and Jean Gascon and Robert Lantz, Paris, France, assiguors to So ciete Anonyme dite: LGreai, Paris, France N0 Drawing. Filed May 15, 1961, Ser. No. 133,000 Claims priority, application France, May 17, 1960, 827,470, Patent 1,292,212 11 Claims. (Cl. 167-83) This invention relates to the dyeing of hair and other keratinous fibres and to dyes for use thereon.
It is known to dye live hair by means of oxidation dyes consisting of benzene polyamine or hydroxyamine derivatives. The commonest method of application is to mix an aqueous solution of these products with hydrogen peroxide immediately before application to the hair. Such dyes may give intense natural shades but have a number of disadvantages which are well known to the users.
These disadvantages includes, first of all, the poor utilization of the polyamine or hydroxyamine derivative; only a part of the derivative is converted into dye in the hair, the remainder being oxidized in the bath and eliminated in the rinsing.
Another disadvantage arises out of the fact that it is necessary to carry out the mixing of the two solutions immediately before application to the hair during use since otherwise the dyeing mixture rapidly oxidizes and gives veryinferior results. i
Finally, the most useful and the most frequently employed of these derivatives tend to give rise to allergic reactions on some people, which is a serious disadvantage and necessitates certain precautions in their application. Indeed, such dyes must be tested before being used in order to determine whether the person to be treated is sensitive to the dye which it is desired to use.
It is possible to use for the dyeing of hair a preformed dye which becomes fixed on the hair in the state in which it is present in the dyeing solution at the time of use. Dyes of this type generally do not have the disadvantages of dyes of the type referred to above, but they have other disadvantages owing to which they have rarely been used for dyeing hair.
Although there are a large number of direct dyes which can be used for dyeing textile fibres, it has hitherto been very difiicult to find dyes which are suitable for the dyeing of hair. In particular, azo dyes, which are the most numerous, give only very mediocre results in this particular application. Some of them have been used but they give only faint shades.
According to a first feature of the present invention there are provided novel azo compounds for use in dyeing hair and other keratinous fibres, which are azobenzenes which contain as substituents in one of the benzene rings at least two hydroxy groups or an amino group and at least one hydroxy group, and the other benzene ring of which carries no substituents or may carry at least one hydroxy substituent.
According to a second feature of the invention there are provided compositions for dyeing hair or other keratinous fibre which comprise aqueous solutions of azobenzenes as just defined. 7
According to a third feature of the invention there is provided a method of dyeing hair or other keratinous fibre which comprises applying thereto a composition containing an azobenzene as just set forth.
In contrast to the azo dyes hitherto suggested for use in dyeing hair, the dye solutions of the present invention color hair very strongly, especially in the presence of 3,164,522 Patented Jan. 5, 1965 ammonia, and at pH 7 or higher, i.e. under the conditions normally employed in hair dyeing. However, it is possible in the case of some dye solutions according to the invention to effect the dyeing of the hair at a pH below 7.
The azobenzene dyes according to the invention may be used in mixture with one another or even with other coloring agents which effect dyeing under similar conditions.
The dyeing solutions according to the invention may conveniently be prepared by dissolving the substituted azobenzene either in water or in an aqueous solution of alkali salts of weak acids of pH between 7 and 11. Alternatively the substituted azobenzene may be dissolved in ammonia or in a caustic alkali solution diluted with water and then, if necessary, there may be added to the resulting solution a product capable of lowering its pH, such as an acid-0r an acid salt such as sodium bicarbonate or monosodium phosphate. If the substituted azobenzene is dissolved in aqueous caustic alkali without a subsequent addition of a product lowering the pH, it is essential that the quantity of this alkali be lower than that necessary for saturating the hydroxyl groups of the substituted azobenzene so as not to impair the keratinic fibre which it is desired to dye.
Examples of substituted azobenzenes which may bev utilised in the invention are:
2 3 4-trihydroxyazobenzene,
3 :4 S-trihydroxyazobenzene,
2 :4: G-trihydroxyazobenzene,
2 :4 2-trihydroxyazobenzene,
2 :4: 4'-trihydroxyazobenzene, 2-amin0-4:2-dihydroxyazobenzene, 4-amino-2 2-dihydroxyazob enzene, 2-amino-4:4-dihydroxyazobenzene, 4-amino-2 4'-dihydroxyazobenzene,
2 4: 6 4'-tetrahydroxyazobenzene.
' These substituted azobenzenes may be prepared by coupling a salt of diazobenzene met a hydroxy-substituted diazobenzene with a polyhydroxyl derivative of benzene or with an amino, monoor polyhydroxyl, derivative of benzene.
In some cases, there is obtained by this process a mixture of isomers which it may be desirable to separate.
The dyeing solutions according to the invention may contain, in addition to the substituted azobenzene, various ingredients which it is known to use in hair dyes, more especially wetting agents, foaming products, thickeners, and products intended to swell the keratinic fibre and to increase the penetration of the dye.
The following examples will serve toillustrate the invention:
Example I 0.5 g. of 2-amino-4:4'-dihydroxyazobenzene(obtained by coupling diazotized p-aminophenol with m-aminophenol) is dissolved with the aid of 3 cc. of ammonia solution (22 B.) and then made up to cc. with water. The pH of the solution is about 10.5. Naturally white hair whichhas undergone no previous dyeing or Example 'I V The procedure of Example I is followed, using 0.5 g. of 2:4:2-trihydroxyazobenzene (obtained by coupling diazotized o-aminophenol with resorcinol). The hair is dyed an intense reddish yellow color.
Example V The procedure of Example I is followed, using 0.5 g. of 2:4 :4'-trihydroxyazobenzene (obtained by coupling diazotized p-aminophenol with resorcinol). The hair is dyed an intense-greenish-yellow color.
Example Vl The procedure of Example I is followed, using 0.5 g. of 2:4:6:4'-tetrahydroxyazobenzene (obtained by coupling diazotized p-aminophenol with phloroglucinol). The hair is dyed an intense yellow color.
Example VII The procedure of Example I is followed, using 0.5 g. of a mixture of 2:3:4-trihydroxyazobenzene and 3:4:5-
jtrihydroxyazobenzene (this mixture having been obtained by coupling diazotized aniline with pyrogallol). The
hair is dyed a deep greenish-yellow color.
Example VIII nated with the solution by means of a brush and, after a period of contact of 20 minutes, the hair is rinsed and optionally treated with a shampoo and again rinsed. The hair-is dyed an intense greenish-yellow color.
Example IX 05 of 2-amino-4:4'-dihydroxyazobenzene is worked up into a paste in 2cc..of normal caustic soda solution and then diluted to .100 cc. with water and heated to the'neighborhood of boiling point. Hair is treated with the cooled solution, which has apI-I of about 9.5, as indicated in Example VIII. It is dyed a yellow shade.
Example X 0.5 g. ,of 2:4:6-trihydroxyazobenzene is dissolved in 5 1 'cc. of normal caustic soda solution, and water and 16.5 cc. of sodium bicarbonatesolution (85 g. per litre) are added to obtain a total volume of 100 cc. This dyeing solution, which'has a pH of about 9.1, imparts a yellow shade verging on green to hair under the conditions indicated inExample VIII.
Example XI Asolution is prepared by dissolving 0.5 g. of 2:4:6:4'- tetrahydroxyazobenzene in 4.15 cc. of normal caustic soda solution in the cold. There is then added 8.4 cc. of
sodium carbonate (106 g. per litre) and 11 c. of normal hydrochloric acid, and the solution is then diluted with 7 water to a volume of 100' cc. The .pH of this dyeing phosphate having a pH of 8, and the mixture is diluted with Water to a total volume of 100 cc. The dyeing solution thus obtained is buffered and has a pH of 8. Naturally white hair, which has not undergone any dyeing or permanent wavingoperation, is dyed a yellowgreen shade therewith.
Example XIII 0.5. g. of 2-amino-4:4'-dihydroxyazobenzene is dissolved in 5 cc. of a solution containing a mixture of sodium carbonate and sodium bicarbonate, of pH 9, and this solution is diluted with lukewarm Water to a volume of 100 cc. The dyeing solution thus obtained, after cooling, is buflered and possesses a pH of about 9. Naturally white hair, which has not previously undergone any dyeing or permanent waving operation, is dyed a yellow shade therewith.
What is claimed is:
1. A method of dyeing live human hair, which consists in; bringing said fibres into contact with an aqueous solution containing an azo benzene selected from the group consisting of 2:3:4-trihydroxyazoben zene, 324:5- rtrihydroxyazobenzene, 2:4: G-trihydroxyazobenzene, 2 :4: 2-trihydroxyazobenzene, 2 :4 4'-trihydroxyazobenzene, 2- amino 4:2 dihydroxyazobenzene, 4-amino-2:2'-dihydroxyazobenzene, 2-amino-4:4'-dihydroxyazobenzene, 4- amino-Z 4'-,dihydroxyazobenzene, and 2 4 z 6 :4-tetrahydroxyazobenzene, said solution being adjusted to a pH of 7 to 11, and being allowed to remain in contact therewith for approximately 20 minutes, then shampooing, rinsing and drying.
2. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution of 2:3:4-Uihydroxyazobenzene adjusted to a pH of between 7 to 11, and allowing said hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
3. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution of 3:425-trihydroxyazobenzene adjusted to a pH of between 7 to 11 and allowing the said to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair. i
4. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution of 2:4:6-trihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
5. A method of dyeing live human hair, which-cousists in bringing the hair into contact with an aqueous solution of '2:4:2-trihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
6. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution is about 8.9. Under the conditions indicated 0.5g. of 2:4:6-trihydroxyazobenzene is dissolved in 5 cc. of a mixture of monosodium phosphate and disodium solution of 2:4:4'-trihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
7. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution of 2-amino-4:2-dihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
' 8 A method of dyeing live human hair, which c011- sists in bringing .the hair into contact with an aqueous solution .of 4-amino-2:2f-dihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
9. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution of 2-amino-4:4'-dihydrooryazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
10. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution of 4-amino-2z4-dihydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for appoximately 20 minutes, shampooing, rinsing and drying the hair.
11. A method of dyeing live human hair, which consists in bringing the hair into contact with an aqueous solution of 2:4:6:4-tetrahydroxyazobenzene, adjusted to a pH of between 7 to 11 and allowing the hair to remain in contact therewith for approximately 20 minutes, shampooing, rinsing and drying the hair.
References Cited in the file of this patent UNITED STATES PATENTS Ris Oct. 22, 1895 Leham June 13, 1939 OTHER REFERENCES
Claims (1)
1. A METHOD OF DYEING LIVE HUMAN HAIR, WHICH CONSISTS IN; BRINGING SAID FIBRES INTO CONTACT WITH AN AQUEOUS SOLUTION CONTAINING AN AZO BENZENE SELECTED FROM THE GROUP CONSISTING OF 2:3:4-TRIHYDROXYAZOBENZENE, 3:4:5TRIHYDROXYAZOBENZENE, 2:4:6-TRIHYDROXYAZOBENZENE, 2:4: 2''-TRIHYDROXYAZOBENZENE, 2:4:4''-TRIHYDROXYAZOBENZENE, 2AMINO - 4:2'' - DIHYDROXYAZOBENZENE, 4-AMINO-2:2''-DIHYDROXYAZOBENZENE, 2-AMINO-4:4''-DIHYDROXYAZOBENZE, 4AMINO-2:4''-DIHYDROXYAZOBENZENE, AND 2:4:6:4''-TETRAHYDROXYAZOBENZENE, SAID SOLUTION BEING ADJUSTED TO A PH OF 7 TO 11, AND BEING ALLOWED TO REMAIN IN CONTACT THEREWITH FOR APPROXIMATELY 20 MINUTE, THEN SHAMPOOING, RINSING AND DRYING.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR827470A FR1292212A (en) | 1960-05-17 | 1960-05-17 | New hair dye and other keratin fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3164522A true US3164522A (en) | 1965-01-05 |
Family
ID=8731613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US133000A Expired - Lifetime US3164522A (en) | 1960-05-17 | 1961-05-15 | Method of using diphenylazo compounds as direct dyes in alkaline media on human hair |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3164522A (en) |
| BE (1) | BE603878A (en) |
| CH (1) | CH402284A (en) |
| DE (1) | DE1163498B (en) |
| FR (1) | FR1292212A (en) |
| GB (1) | GB938045A (en) |
| NL (1) | NL264736A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4886517A (en) * | 1984-10-01 | 1989-12-12 | L'oreal | Dyeing composition for human hair containing an azo dye |
| EP1398020A1 (en) * | 2002-09-16 | 2004-03-17 | Kao Corporation | Hair dye composition comprising an azo dye containing a dissociative proton, method and use |
| EP1398022A1 (en) * | 2002-09-16 | 2004-03-17 | Kao Corporation | Hair dye composition comprising an azo dye containing a dissociative proton, method and use |
| EP1535599A1 (en) * | 2003-11-28 | 2005-06-01 | Kao Corporation | Method effecting a reversible colour change of dyed hair |
| EP1369105B1 (en) * | 2002-05-28 | 2008-03-19 | Kao Corporation | Use and method for dyeing hair |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1403633A (en) * | 1963-08-01 | 1965-06-25 | Oreal | New hair dye solution |
| GB9610378D0 (en) * | 1996-05-17 | 1996-07-24 | Boots Co Plc | Hair colorant composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US548460A (en) * | 1895-10-22 | Christopher bis | ||
| US2162458A (en) * | 1936-05-08 | 1939-06-13 | Winthrop Chem Co Inc | Hair dye |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2185467A (en) * | 1938-10-03 | 1940-01-02 | Rit Products Corp | Hair dyeing composition and method |
| FR1074030A (en) * | 1953-01-19 | 1954-09-30 | Oreal | Hair dyeing process |
| AT198431B (en) * | 1955-12-10 | 1958-07-10 | Oreal | Means for coloring hair u. similar Fibers |
-
0
- DE DENDAT1163498D patent/DE1163498B/en active Pending
- NL NL264736D patent/NL264736A/xx unknown
-
1960
- 1960-05-17 FR FR827470A patent/FR1292212A/en not_active Expired
-
1961
- 1961-05-10 CH CH553661A patent/CH402284A/en unknown
- 1961-05-15 US US133000A patent/US3164522A/en not_active Expired - Lifetime
- 1961-05-16 BE BE603878A patent/BE603878A/en unknown
- 1961-05-17 GB GB18046/61A patent/GB938045A/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US548460A (en) * | 1895-10-22 | Christopher bis | ||
| US2162458A (en) * | 1936-05-08 | 1939-06-13 | Winthrop Chem Co Inc | Hair dye |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4886517A (en) * | 1984-10-01 | 1989-12-12 | L'oreal | Dyeing composition for human hair containing an azo dye |
| EP1369105B1 (en) * | 2002-05-28 | 2008-03-19 | Kao Corporation | Use and method for dyeing hair |
| EP1398020A1 (en) * | 2002-09-16 | 2004-03-17 | Kao Corporation | Hair dye composition comprising an azo dye containing a dissociative proton, method and use |
| EP1398022A1 (en) * | 2002-09-16 | 2004-03-17 | Kao Corporation | Hair dye composition comprising an azo dye containing a dissociative proton, method and use |
| US20050015896A1 (en) * | 2002-09-16 | 2005-01-27 | Kao Corporation | Hair dye composition and dyeing method |
| US7056355B2 (en) * | 2002-09-16 | 2006-06-06 | Kao Corporation | Hair dye composition and dyeing method |
| EP1535599A1 (en) * | 2003-11-28 | 2005-06-01 | Kao Corporation | Method effecting a reversible colour change of dyed hair |
Also Published As
| Publication number | Publication date |
|---|---|
| BE603878A (en) | 1961-11-16 |
| NL264736A (en) | |
| GB938045A (en) | 1963-09-25 |
| FR1292212A (en) | 1962-05-04 |
| DE1163498B (en) | 1964-02-20 |
| CH402284A (en) | 1965-11-15 |
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