US3249497A - Solubilization of water-insoluble quaternary ammonium benzosulfimides - Google Patents
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- US3249497A US3249497A US288469A US28846963A US3249497A US 3249497 A US3249497 A US 3249497A US 288469 A US288469 A US 288469A US 28846963 A US28846963 A US 28846963A US 3249497 A US3249497 A US 3249497A
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- benzosulfimide
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
- C07D213/16—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
- C07D213/20—Quaternary compounds thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/04—Sulfonic acids; Derivatives thereof
- A01N41/06—Sulfonic acid amides
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
- C07D215/42—Nitrogen atoms attached in position 4
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
- C07D217/02—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines
- C07D217/10—Quaternary compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
- C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
- C07D275/06—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/16—Anti-static materials
Definitions
- This invention relates to the solubilization of normally insoluble compounds, and it particularly relates to the solubilization of insoluble types of quaternary ammonium benzosulfimides (saccharinates).
- quaternary ammonium benzosulfimides have many desirable properties whereby they act as surface-active agents, germicidal and fungicidal agents, thickening agents and antistatic agents.
- many of these quaternary ammonium benzosulfimides are substantially Water-insoluble.
- the only water-soluble compounds of this type are those wherein all four substituen-ts in the ammonium radical are aliphatic. When one or more of the substituents are aromatic, whether it be homocyclic or heterocyclic, the compound is, to all intents and purposes, waterinsoluble.
- the aforesaid water-insoluble quaternary ammonium benzosulfimide-s can be made watersoluble in the presence of specific proportions of certain salts and certain alcohols. More particularly, it has been found that the salts of such strong mineral acids as hydrochloric and sulfuric acids and strong bases such as sodium and potassium hydroxides are best for the present purposes. Salts of strong bases and such polybasic acids as monoand di-basic ammonium phosphates have also been found to increase the solubility 'of these compounds, al though somewhat less effectively.
- the alcohols suitable for the present purposes include those alcohols which are water-soluble and completely miscible in water and generally comprise the lower alcohols such as methyl, ethyl and isopropyl alcohols.
- salts of the aforesaid type 'act to increase are electrolytes and electrolytes would normally be ex-' pected to reduce the water-solubility of organic compounds, in particular surface-active agents such as the quaternary ammonium benzosulfimides, and most especially in the presence of alcohols.
- alkylaryls such as alkyl dimethyl benzyl ammonium benzosulfimide and lauryl dimethyl benzyl ammonium benzosulfimide
- alkylpyridiniums such as N-cetyl pyridiniurn benzosulfimide and N-lauryl pyridinium benzosulfimide
- the picoliniums such as myristyl gamma picolinium benzosulfimide
- the quinaldiniums such as decamethylene-bis-4-amino-quinaldinium (dequalinium) benzosulfimide
- groupings wherein the molecule contains an ether linkage such as para-octylphenoxyethoxyethyldimethyl benzyl ammonium benzosulfimide, groupings having oxygen in the form of amide or este
- All the quaternary ammonium benzosulfimides are generally prepared in substantially the same manner by mixing, in an aqueous mixture at room temperature, stoichiometric amounts of the selected quaternary ammonium salt, such as a halide or sulfate, and either benzosulfimide or an alkali metal salt of benzosulfimide.
- the selected quaternary ammonium salt such as a halide or sulfate
- benzosulfimide or an alkali metal salt of benzosulfimide Alternatively, an alcoholic solution may be used instead of an aqueous solution. Agitation, although not necessary, is sometimes used to hasten the reaction. Furthermore, the application of heat is also sometimes used to hasten the reaction. The following is an example of the preparation of such type of compounds:
- the watersolubility of any relatively insoluble quaternary ammonium benzosulfimide or of a mixture of any two or more such compounds is achieved by adding to an aqueous mixture thereof a salt selected from the group consisting of sodium and potassium chlorides, sodium and potassium sulfates, and ammonium phosphate, in a proportion of about 01-10% by weight of the total mixture, plus an alcohol selected from the group consisting of methyl, ethyl and isopropyl alcohols in a proportion of about 0.9535% by weight of the total mixture.
- a salt selected from the group consisting of sodium and potassium chlorides, sodium and potassium sulfates, and ammonium phosphate
- Example 2 An aqueous mixture was prepared at room temperature consisting of 0.023 gram cetyl pyridinium chloride, 0.010 gram decamethylene-bis 4 aminoquinaldinium chloride (dequalinium chloride), 0.02'8 gram benzosulfimide, 15 grams ethyl alcohol and 83.439 grams water. A precipitate was immediately formed which, when analyzed, proved to be a mixture of cetyl pyridinium benzosulfimide and dequalinium benzosulfimide which had been formed in situ. There was then added to the mixture 1.5 grams sodium sulfate. Almost immediately the precipitate disappeared indicating that the benzosulfimides had gone into solution.
- Example 4 An aqueous mixture was prepared at room temperature which consisted of 0.1 gram alkyl dimethyl benzyl ammonium benzosulfimide, 20 grams ethyl alcohol, 2 grams potassium chloride and 79.9 grams water. The alkyl dimethyl benzyl ammonium benzosulfimide, which is normally completely insoluble in water at room temperature, immediately went into total solution.
- Example 1 The temperature of the solution was then lowered until a precipitate was observed at 35 F. The temperature was then raised to room temperature and as the temperature increased the precipitate began to disappear. At :room temperature no precipitate was apparent. The solution was then subjected to the same 3 cycle freeze-thaw test as in Example 1 and no precipitate was observed either immediately after the test or after the solution had been permitted to stand for two weeks.
- Example 5 An aqueous mixture was prepared at room temperature which consisted of 0.2 gram p-octyl phenoxy ethyl dimethyl benzyl ammonium benzosulfimide, grams methyl alcohol and about 83.5 grams water. A precipitate identified as p-octyl phenoxy ethyl dimethyl benzyl ammonium benzosulfimide immediately formed. 1 gram of sodium chloride was then added and the precipitate almost immediately disappeared.
- Example 6 The same procedure was used as in Example 5 except:
- lauryl isoquinolinium benzosulfimide was used as the quaternary compound
- sodium chloride was used as the salt and the alcohol was isopropyl. A precipitate formed and then disappeared upon the addition of the sodium chloride.
- Example 7 Three aqueous mixtures were prepared at room temperature, each containing 0.01 gram of dequalinium benzosulfimide and 15 grams of alcohol. The alcohol in the first was ethyl, in the second isopropyl and in the third methyl. Each had a precipitate of dequalinium benzosulfimide. Then 1 gram of sodium sulfate was added to eachmixture. The precipitate in each mixture almost immediately disappeared.
- Example 8 The same procedure was used to prepare three separate mixtures as in Example 7 except that cetyl pyridinium benzosulfimide was used as the quaternary compound and the quantity thereof used was 0.1 gram.
- the salt used was potassium sulfate butthe quantities of alcohol and potassium sulfate were the same as in Example 7. In each case the precipitate disappeared when the potassium sulfate was added.
- a method of increasing the water-solubility of a substantially water-insoluble quaternary ammonium benzosulfimide which comprises admixing with said benzosulfimide in aqueous mixture about 0.1-10% by weight of the mixture of a salt selected from the group consisting of sodium and potassium chlorides, sodium and potassium sulfates and ammonium phosphate and about OBS-35% by Weight of the mixture of a member of the group consisting of methyl alcohol, ethyl alcohol and isopropyl alcohol.
- An aqueous solution consisting essentially of water, a quaternary ammonium benzosulfimide which is normally insoluble in water at room temperature, about 0.1- 10% by weight of the composition of a salt selected from the group consisting of sodium and potassium chlorides, sodium and potassium sulfates and ammonium phosphate, and about 0.9535% by weight of the composition of an alcohol selected from the group consisting of methyl, ethyl and isopropyl alcohols.
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Description
United States Patent 3,249,497 SOLUBILIZATION 0F WATER-INSOLUBLE QUA- TERNARY AMMONIUM BENZOSULFIMIDES William J. Shibe, Jr., Riverton, and George N. Brandt,
Edgewater Park, N.J., assignors to Hollichem Corporation, Camden, N.J., a corporation of New Jersey N0 Drawing. Filed June 17, 1963, Ser. No. 288,469 6 Claims. (Cl. 167-33) This invention relates to the solubilization of normally insoluble compounds, and it particularly relates to the solubilization of insoluble types of quaternary ammonium benzosulfimides (saccharinates).
It has been heretofore discovered that quaternary ammonium benzosulfimides have many desirable properties whereby they act as surface-active agents, germicidal and fungicidal agents, thickening agents and antistatic agents. However, it has also heretofore been found that many of these quaternary ammonium benzosulfimides are substantially Water-insoluble. In particular, it has been found that the only water-soluble compounds of this type are those wherein all four substituen-ts in the ammonium radical are aliphatic. When one or more of the substituents are aromatic, whether it be homocyclic or heterocyclic, the compound is, to all intents and purposes, waterinsoluble.
In accordance with the present invention, it has now been dis-covered that the aforesaid water-insoluble quaternary ammonium benzosulfimide-s can be made watersoluble in the presence of specific proportions of certain salts and certain alcohols. More particularly, it has been found that the salts of such strong mineral acids as hydrochloric and sulfuric acids and strong bases such as sodium and potassium hydroxides are best for the present purposes. Salts of strong bases and such polybasic acids as monoand di-basic ammonium phosphates have also been found to increase the solubility 'of these compounds, al though somewhat less effectively.
The alcohols suitable for the present purposes include those alcohols which are water-soluble and completely miscible in water and generally comprise the lower alcohols such as methyl, ethyl and isopropyl alcohols.-
The fact that salts of the aforesaid type 'act to increase are electrolytes and electrolytes would normally be ex-' pected to reduce the water-solubility of organic compounds, in particular surface-active agents such as the quaternary ammonium benzosulfimides, and most especially in the presence of alcohols.
Illustrative of the quaternary ammonium benzosulfimides rendered more water-soluble in accordance with the present invention are alkylaryls such as alkyl dimethyl benzyl ammonium benzosulfimide and lauryl dimethyl benzyl ammonium benzosulfimide, alkylpyridiniums such as N-cetyl pyridiniurn benzosulfimide and N-lauryl pyridinium benzosulfimide, the picoliniums such as myristyl gamma picolinium benzosulfimide, the quinaldiniums such as decamethylene-bis-4-amino-quinaldinium (dequalinium) benzosulfimide, groupings wherein the molecule contains an ether linkage such as para-octylphenoxyethoxyethyldimethyl benzyl ammonium benzosulfimide, groupings having oxygen in the form of amide or ester linkages such as N-(lauryl colamino formyl methyl)- pyridinium benzosulfimide, those containing a sulfonamide group such as 4-sulfanilamido-benzyl tetradecyl dimethyl ammonium benzosulfirnide, these containing a substituted aromatic nucleus such as lauryloxyphenyl trimethyl ammonium benzosulfimide, cetylamino-phenyl trimethyl ammonium benzosulfimide and d-odecylbenzyl trimethyl ammonium benzosulfimide, the arylaliphatic isoquiniliniums such as lauryl isoquinilinium benzosulice fimide, the arylaliphatic morpholiniums, such as N-dodecyl-N-methyl morpholinium benzosulfimide, and the arylaliphatic imidazolinium benzosulfimides.
In fact, insofar as applicant is aware, the water-solubility of all relatively water-insoluble quaternary ammonium benzosulfimides, that is those having at least one aromatic group in the quaternary radical, is significantly increased by the addition of the salts and alcohols, in the stated proportions, in accordance with the present invention.
All the quaternary ammonium benzosulfimides are generally prepared in substantially the same manner by mixing, in an aqueous mixture at room temperature, stoichiometric amounts of the selected quaternary ammonium salt, such as a halide or sulfate, and either benzosulfimide or an alkali metal salt of benzosulfimide. Alternatively, an alcoholic solution may be used instead of an aqueous solution. Agitation, although not necessary, is sometimes used to hasten the reaction. Furthermore, the application of heat is also sometimes used to hasten the reaction. The following is an example of the preparation of such type of compounds:
- Example 1 36 grams of alkyldimethyl benzyl ammonium chloride were dissolved in three times its weight of water and to this were added, with stirring, 24 grams of sodium benzosulfimide as a 20% aqueous solution. A flocculent white precipitate was immediately formed and was removed by filtration, yielding 71.4 grams of the wet reactionvproducts. Vacuum-drying over sodium hydroxide yielded 55 grams (92% of theoretical) of the compound alkyldimethyl benzyl ammonium benzosulfimide.
All other quaternary ammonium benzosulfimides can be prepared in the same manner as in Example 1 merely by substituting the desired quaternary ammonium chloride for the one used in Example 1.
In accordance with the present invention, the watersolubility of any relatively insoluble quaternary ammonium benzosulfimide or of a mixture of any two or more such compounds is achieved by adding to an aqueous mixture thereof a salt selected from the group consisting of sodium and potassium chlorides, sodium and potassium sulfates, and ammonium phosphate, in a proportion of about 01-10% by weight of the total mixture, plus an alcohol selected from the group consisting of methyl, ethyl and isopropyl alcohols in a proportion of about 0.9535% by weight of the total mixture. The most effective and, therefore, the preferable proportion of the salt is about 1.54% by weight of the mixture and the preferable proportion of the alcohol is about 5-30% by weight of the mixture. 1
The following examples are illustrative of aqueous solutions of normally water-insoluble quaternary ammonium benzosulfimides:
- Example 2 An aqueous mixture was prepared at room temperature consisting of 0.023 gram cetyl pyridinium chloride, 0.010 gram decamethylene-bis 4 aminoquinaldinium chloride (dequalinium chloride), 0.02'8 gram benzosulfimide, 15 grams ethyl alcohol and 83.439 grams water. A precipitate was immediately formed which, when analyzed, proved to be a mixture of cetyl pyridinium benzosulfimide and dequalinium benzosulfimide which had been formed in situ. There was then added to the mixture 1.5 grams sodium sulfate. Almost immediately the precipitate disappeared indicating that the benzosulfimides had gone into solution.
The solution was then cooled until at 34 F., some precipitation or crystallization of the benzosulfimides became apparent. The solution was then brought back to room temperature. As the temperature of the solution Example 3 The samemixture was prepared at room temperature as in Example 2. However, in place of the sodium sulfate, 2 grams of ammonium phosphate (NH )H PO was added to the mixture. Immediately the precipitate began to disappear.
Example 4 An aqueous mixture was prepared at room temperature which consisted of 0.1 gram alkyl dimethyl benzyl ammonium benzosulfimide, 20 grams ethyl alcohol, 2 grams potassium chloride and 79.9 grams water. The alkyl dimethyl benzyl ammonium benzosulfimide, which is normally completely insoluble in water at room temperature, immediately went into total solution.
The temperature of the solution was then lowered until a precipitate was observed at 35 F. The temperature was then raised to room temperature and as the temperature increased the precipitate began to disappear. At :room temperature no precipitate was apparent. The solution was then subjected to the same 3 cycle freeze-thaw test as in Example 1 and no precipitate was observed either immediately after the test or after the solution had been permitted to stand for two weeks.
Example 5 An aqueous mixture was prepared at room temperature which consisted of 0.2 gram p-octyl phenoxy ethyl dimethyl benzyl ammonium benzosulfimide, grams methyl alcohol and about 83.5 grams water. A precipitate identified as p-octyl phenoxy ethyl dimethyl benzyl ammonium benzosulfimide immediately formed. 1 gram of sodium chloride was then added and the precipitate almost immediately disappeared.
Example 6 The same procedure was used as in Example 5 except:
that lauryl isoquinolinium benzosulfimide was used as the quaternary compound, sodium chloride was used as the salt and the alcohol was isopropyl. A precipitate formed and then disappeared upon the addition of the sodium chloride.
Example 7 Three aqueous mixtures were prepared at room temperature, each containing 0.01 gram of dequalinium benzosulfimide and 15 grams of alcohol. The alcohol in the first was ethyl, in the second isopropyl and in the third methyl. Each had a precipitate of dequalinium benzosulfimide. Then 1 gram of sodium sulfate was added to eachmixture. The precipitate in each mixture almost immediately disappeared.
Example 8 The same procedure was used to prepare three separate mixtures as in Example 7 except that cetyl pyridinium benzosulfimide was used as the quaternary compound and the quantity thereof used was 0.1 gram. The salt used was potassium sulfate butthe quantities of alcohol and potassium sulfate were the same as in Example 7. In each case the precipitate disappeared when the potassium sulfate was added.
Obviously many modifications and variations of the present invention are possible in the light of the above? teachings. It is, therefore, to be understood that within the scope of the appended claims, the invention may be practiced otherwise than as specifically described.
The invention claimed is:
1. A method of increasing the water-solubility of a substantially water-insoluble quaternary ammonium benzosulfimide which comprises admixing with said benzosulfimide in aqueous mixture about 0.1-10% by weight of the mixture of a salt selected from the group consisting of sodium and potassium chlorides, sodium and potassium sulfates and ammonium phosphate and about OBS-35% by Weight of the mixture of a member of the group consisting of methyl alcohol, ethyl alcohol and isopropyl alcohol.
2. The method of claim 1 wherein the proportion of the salt is about 1.53% by weight of the mixture and the proportion of the alcohol is about 530% by weight of the mixture.
3. The method of claim 1 wherein the quaternary ammonium benzosulfimide is formed in situ in the mixture.
4. An aqueous solution consisting essentially of water, a quaternary ammonium benzosulfimide which is normally insoluble in water at room temperature, about 0.1- 10% by weight of the composition of a salt selected from the group consisting of sodium and potassium chlorides, sodium and potassium sulfates and ammonium phosphate, and about 0.9535% by weight of the composition of an alcohol selected from the group consisting of methyl, ethyl and isopropyl alcohols.
5. The solution of claim 4 wherein the salt is present in a proportion of about 1.5-3% by weight of the composition and the alcohol is present in a proportion of about 5-30% by weight of the composition.
6. The solution of claim 4 wherein the benzosulfimide is formed in situ in the solution.
References Cited by the Examiner UNITED STATES PATENTS 2,725,326 11/1955 Shibe et al. 16730 LEWIS GOTTS, Primary Examiner.
JULIAN S. LEV'ITT, Examiner.
R. HUFF, Assistant Examiner.
Claims (1)
1. A METHOD OF INCREASING THE WATER-SOLUBILITY OF A SUBSTANTIALLY WATER-INSOLUBLE QUATERNARY AMMONIUM BENZOSULFIMIDE WHICH COMPRISES ADMIXING WITH SAID BENZOSULFIMIDE IN AQUEOUS MIXTURE ABOUT 0.1-10% BY WEIGHT OF THE MIXTURE OF A SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM CHLORIDES, SODIUM AND POTASSIUM SULFATES AND AMMONIUM PHOSPHATE AND ABOUT 0.95-34% BY WEIGHT OF THE MIXTURE OF A MEMBER OF THE GROUP CONSISTING OF METHYL ALCOHOL, ETHYL ALCOHOL AND ISOPROPYL ALCOHOL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US288469A US3249497A (en) | 1963-06-17 | 1963-06-17 | Solubilization of water-insoluble quaternary ammonium benzosulfimides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US288469A US3249497A (en) | 1963-06-17 | 1963-06-17 | Solubilization of water-insoluble quaternary ammonium benzosulfimides |
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| Publication Number | Publication Date |
|---|---|
| US3249497A true US3249497A (en) | 1966-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| US288469A Expired - Lifetime US3249497A (en) | 1963-06-17 | 1963-06-17 | Solubilization of water-insoluble quaternary ammonium benzosulfimides |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344018A (en) * | 1961-10-27 | 1967-09-26 | Hollichem Corp | Biocidal quaternary ammonium sulfamates |
| DE2501982A1 (en) * | 1975-01-18 | 1976-07-22 | Bayer Ag | Clear, conc mixtures of alkyl sulphonates and polyglycol ethers - contain salts and water-miscible org liquids and are used as emulsifiers etc. |
| US4614649A (en) * | 1983-12-09 | 1986-09-30 | Sterling Drug Inc. | Antiplaque saccharin salt dentrifices and method of use thereof |
| US20050258093A1 (en) * | 2004-05-24 | 2005-11-24 | Microban Products Company | Antimicrobial activated carbon and method of making |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725326A (en) * | 1954-03-10 | 1955-11-29 | Gallowhur Chemical Corp | Quaternary ammonium saccharinates and process for preparing the same |
-
1963
- 1963-06-17 US US288469A patent/US3249497A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725326A (en) * | 1954-03-10 | 1955-11-29 | Gallowhur Chemical Corp | Quaternary ammonium saccharinates and process for preparing the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344018A (en) * | 1961-10-27 | 1967-09-26 | Hollichem Corp | Biocidal quaternary ammonium sulfamates |
| DE2501982A1 (en) * | 1975-01-18 | 1976-07-22 | Bayer Ag | Clear, conc mixtures of alkyl sulphonates and polyglycol ethers - contain salts and water-miscible org liquids and are used as emulsifiers etc. |
| US4614649A (en) * | 1983-12-09 | 1986-09-30 | Sterling Drug Inc. | Antiplaque saccharin salt dentrifices and method of use thereof |
| US20050258093A1 (en) * | 2004-05-24 | 2005-11-24 | Microban Products Company | Antimicrobial activated carbon and method of making |
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