US4036991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skin treatment with emollient cis-6-hexadecenoic acid or derivatives
Assignee: Stiefel Laboratories Inc
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Filing: 1972-01-24
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Granted: 1977-07-19
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Expires: 1992-01-24
Abstract
Abstract A composition that may be used as the base vehicle for cosmetic or therapeutic preparations that are applied to the human skin contains as one of the essential constituents thereof at least one member of the group consisting of cis-6-hexadecenoic acid and the glycerol, glycol and monohydric alcohol esters of cis-6-hexadecenoic acid.
Inventors
- 👤 Werner K. Stiefel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:02
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/361; A61K47/00; A61K47/06; A61K47/08; A61K47/14; A61K8/37; A61K8/375; A61K8/39; A61K8/92; A61K8/922; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q19/00; A61Q19/007; A61Q19/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
109 words
A method of beneficially treating human skin which comprises applying to the skin a composition comprising an admixture of an emollient base with a cosmetic or therapeutic constituent, said base having as its essential emollient constituent at least one lipid substance selected from the group consisting of cis-6-hexadecenoic acid, the mono-, di- and triglycerides of cis-6-hexadecenoic acid, mixed glycerides containing cis-6-hexadecenoic as at least one of the fatty chains, the mono- and di- cis-6-hexadecenoic acid esters of ethylene and propylene glycols, and the cis-6-hexadecenoic acid esters of straight chain and branched chain monohydric alcohols, said lipid constituent comprising from about 3% to about 95% by weight of said composition.
Claim 2
Independent Claim
109 words
A method of beneficially treating human skin which comprises applying to the skin a composition comprising an admixture of an emollient base with a cosmetic or therapeutic constituent, said base having as its essential emollient constituent at least one lipid substance selected from the group consisting of cis-6-hexadecenoic acid, the mono-, di- and triglycerides of cis-6-hexadecenoic acid, mixed glycerides containing cis-6-hexadecenoic as at least one of the fatty chains, the mono- and di- cis-6-hexadecenoic acid esters of ethylene and propylene glycols, and the cis-6-hexadecenoic acid esters of straight chain and branched chain monohydric alcohols, said lipid constituent comprising from about 3% to about 95% by weight of said composition.
Claim 3
Dependent Claim
27 words
The method according to claim 1 in which the composition is an emulsion composed essentially of said essential lipid constituent, a non-aqueous fliud and an emulsifier therefor.
Claim 4
Dependent Claim
25 words
The method according to claim 1 in which the composition is an emulsion composed essentially of said essential lipid constituent, water, and an emulsifier therefor.
Claim 5
Dependent Claim
22 words
The method according to claim 3 in which said essential lipid constituent comprises from about 3% to about 80% of said emulsion.
References Cited (Backward Citations)
US2954325A
Cited
US3660566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |