CH566312A5 - - Google Patents
Info
- Publication number
- CH566312A5 CH566312A5 CH747675A CH747675A CH566312A5 CH 566312 A5 CH566312 A5 CH 566312A5 CH 747675 A CH747675 A CH 747675A CH 747675 A CH747675 A CH 747675A CH 566312 A5 CH566312 A5 CH 566312A5
- Authority
- CH
- Switzerland
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones 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 other ring carbon atoms
- C07D207/277—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D207/28—2-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles
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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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4913—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
Landscapes
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dermatology (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Pyrrole Compounds (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712102171 DE2102171A1 (en) | 1971-01-18 | 1971-01-18 | Pyrrolidonecarboxylic acid alkyl esters - cosmetic agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH566312A5 true CH566312A5 (en) | 1975-09-15 |
Family
ID=5796205
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH57172A CH568287A5 (en) | 1971-01-18 | 1972-01-14 | |
| CH747675A CH566312A5 (en) | 1971-01-18 | 1972-01-14 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH57172A CH568287A5 (en) | 1971-01-18 | 1972-01-14 |
Country Status (5)
| Country | Link |
|---|---|
| CH (2) | CH568287A5 (en) |
| DE (1) | DE2102171A1 (en) |
| DK (1) | DK135713C (en) |
| ES (2) | ES398931A1 (en) |
| SE (1) | SE388540B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4762851A (en) * | 1985-11-29 | 1988-08-09 | Merck & Co., Inc. | Pyroglutamic acid esters used as dermal penetration enhancers for drugs |
| GB8811410D0 (en) * | 1988-05-13 | 1988-06-15 | Unilever Plc | Treatment of skin disorders |
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1971
- 1971-01-18 DE DE19712102171 patent/DE2102171A1/en active Pending
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1972
- 1972-01-14 CH CH57172A patent/CH568287A5/xx not_active IP Right Cessation
- 1972-01-14 CH CH747675A patent/CH566312A5/xx not_active IP Right Cessation
- 1972-01-17 DK DK23372A patent/DK135713C/en active
- 1972-01-17 ES ES398931A patent/ES398931A1/en not_active Expired
- 1972-01-17 ES ES398932A patent/ES398932A1/en not_active Expired
- 1972-01-17 SE SE51172A patent/SE388540B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK135713B (en) | 1977-06-13 |
| ES398931A1 (en) | 1974-08-16 |
| SE388540B (en) | 1976-10-11 |
| DK135713C (en) | 1977-11-14 |
| ES398932A1 (en) | 1974-08-16 |
| CH568287A5 (en) | 1975-10-31 |
| DE2102171A1 (en) | 1972-07-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |