US3890358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyglycerol partial esters and their use in lipstick formulations
Assignee: Henkel Corp
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Filing: 1972-05-08
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Granted: 1975-06-17
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Expires: 1992-05-08
Abstract
Abstract Partial esterification products of polyglycerols and branched chain fatty acids are useful in cosmetic lipsticks. The polyglycerol partial esters, particularly those derived from isostearic acid, are useful substitutes for all or part of the castor oil in the lipstick formulation.
Inventors
- 👤 Robert B Hutchison
- 👤 Lee R Mores
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:56
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/02; C11C3/025; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/39; A61Q; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/178; C07C43/1785
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
15 words
A PARTIAL ESTER OF A POLYGLYCEROL WITH A BRANCHED CHAIN ALIPHATIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
15 words
A PARTIAL ESTER OF A POLYGLYCEROL WITH A BRANCHED CHAIN ALIPHATIC ACID HAVING THE FORMULA
Claim 3
Dependent Claim
23 words
The polyglycerol partial ester of claim 1 wherein the branched chain hydrocarbon group has 17 carbon atoms and is derived from isostearic acid.
Claim 4
Dependent Claim
81 words
The polyglycerol partial ester of claim 1 wherein R is a branched chain saturated hydrocarbon group derived from an acid of the formula CH3CH2CH2-CR1R2xCH2CH2COOH wherein R1 and R2 are selected from the group consisting of hydrogen and C1-C3 alkyl groups, x is an integer so that the total number of carbon atoms within the parenthetical expression is not less than 6 or more than 12, and the bivalent group within the parenthetical expression is substituted with at least one alkyl group.
Claim 5
Dependent Claim
18 words
The polyglycerol partial ester of claim 3 wherein the acids have an average of about 18 carbon atoms.
Claim 6
Dependent Claim
11 words
The polyglycerol partial ester of claim 4 which is triglycerol diisostearate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |