NL150792B - PROCESS FOR STABILIZING ASCORBIC ACID AND ITS DERIVATIVES BY APPLYING A COATING LAYER USING AN ORGANIC SOLVENT. - Google Patents
PROCESS FOR STABILIZING ASCORBIC ACID AND ITS DERIVATIVES BY APPLYING A COATING LAYER USING AN ORGANIC SOLVENT.Info
- Publication number
- NL150792B NL150792B NL6808139A NL6808139A NL150792B NL 150792 B NL150792 B NL 150792B NL 6808139 A NL6808139 A NL 6808139A NL 6808139 A NL6808139 A NL 6808139A NL 150792 B NL150792 B NL 150792B
- Authority
- NL
- Netherlands
- Prior art keywords
- derivatives
- applying
- organic solvent
- coating layer
- ascorbic acid
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/365—Lactones
- A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D307/62—Three oxygen atoms, e.g. ascorbic acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Fodder In General (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH935967A CH509302A (en) | 1967-06-30 | 1967-06-30 | Process for the formation of a protective coating on individual particles of ascorbic acid or isoascorbic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6808139A NL6808139A (en) | 1968-12-31 |
NL150792B true NL150792B (en) | 1976-09-15 |
Family
ID=4351152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6808139A NL150792B (en) | 1967-06-30 | 1968-06-10 | PROCESS FOR STABILIZING ASCORBIC ACID AND ITS DERIVATIVES BY APPLYING A COATING LAYER USING AN ORGANIC SOLVENT. |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT279036B (en) |
BE (1) | BE717214A (en) |
CH (1) | CH509302A (en) |
DE (2) | DE1793234B1 (en) |
DK (1) | DK120503B (en) |
ES (1) | ES355628A1 (en) |
FR (1) | FR1600826A (en) |
GB (1) | GB1161289A (en) |
IT (1) | IT954021B (en) |
NL (1) | NL150792B (en) |
SE (1) | SE354185B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA971943B (en) * | 1996-06-28 | 1998-09-07 | Unilever Plc | Vitamin C delivery system |
US5750123A (en) * | 1996-06-28 | 1998-05-12 | Chesebrough-Pond's Co., Division Of Conopco, Inc. | Vitamin C delivery system |
US6087393A (en) * | 1999-06-10 | 2000-07-11 | Igen, Inc. | Stabilized vitamin C formulations |
FR3088345B1 (en) | 2018-11-08 | 2023-09-29 | Max Sardou | METHOD FOR MANUFACTURING HIGH TEMPERATURE TERMOSTABLE FIBERS |
FR3105735B1 (en) | 2019-12-26 | 2023-07-07 | Oreal | Composition comprising ascorbic acid |
FR3117847B1 (en) | 2020-12-18 | 2023-11-24 | Oreal | Composition comprising aqueous gelling agents, surfactants and ascorbic acid |
FR3117803B1 (en) | 2020-12-18 | 2022-12-09 | Oreal | Composition comprising aqueous gelling agents, surfactant and ascorbic acid |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1051848B (en) * | 1956-10-20 | 1959-03-05 | Merck Ag E | Process to increase the stability of solid ascorbic acid |
NL296020A (en) * | 1962-08-16 |
-
1967
- 1967-06-28 ES ES355628A patent/ES355628A1/en not_active Expired
- 1967-06-30 CH CH935967A patent/CH509302A/en not_active IP Right Cessation
- 1967-11-11 DE DE19671793234 patent/DE1793234B1/en not_active Withdrawn
- 1967-11-11 DE DE1967H0064432 patent/DE1300555B/en active Pending
-
1968
- 1968-05-17 AT AT476168A patent/AT279036B/en not_active IP Right Cessation
- 1968-06-10 NL NL6808139A patent/NL150792B/en not_active IP Right Cessation
- 1968-06-14 DK DK279268A patent/DK120503B/en not_active IP Right Cessation
- 1968-06-21 GB GB2974268A patent/GB1161289A/en not_active Expired
- 1968-06-27 BE BE717214D patent/BE717214A/xx not_active IP Right Cessation
- 1968-06-28 IT IT1843268A patent/IT954021B/en active
- 1968-06-28 SE SE896668A patent/SE354185B/xx unknown
- 1968-07-01 FR FR1600826D patent/FR1600826A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT279036B (en) | 1970-02-25 |
DK120503B (en) | 1971-06-07 |
IT954021B (en) | 1973-08-30 |
DE1793234B1 (en) | 1972-05-25 |
ES355628A1 (en) | 1969-12-16 |
GB1161289A (en) | 1969-08-13 |
BE717214A (en) | 1968-12-27 |
SE354185B (en) | 1973-03-05 |
FR1600826A (en) | 1970-08-03 |
NL6808139A (en) | 1968-12-31 |
CH509302A (en) | 1971-06-30 |
DE1300555B (en) | 1969-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HOFFMANN |
|
V4 | Lapsed because of reaching the maxim lifetime of a patent |