US5153230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Topical skin cream composition
Assignee: Perfective Cosmetics Inc
•
Filing: 1991-02-01
•
Granted: 1992-10-06
•
Expires: 2011-02-01
Abstract
Abstract In a preferred embodiment, a formulation for the treatment of aging skin in which the major active ingredient is glycolic acid in a concentration of from an effective amount up to about 3.5 weight percent. Other active ingredients may be vitamin A palmitate and/or vitamin E acetate. The active ingredients are provided in a moisturizing cream base which has beneficial effects in itself. Preservatives are also provided in the formulation to increase the shelf life thereof.
Inventors
- 👤 Manzoor H. Jaffery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:21
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/67; A61K8/678; A61K8/33; A61K8/36; A61K8/362; A61K8/365; A61K8/40; A61K8/44; A61K8/671; A61Q; A61Q19/00; A61Q19/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
88 words
A topical skin cream composition comprising A. between about 1.5% and 3.5% by weight of an acid selected from the group consisting of glycolic acid; fumaric acid; tartaric acid; L-aspartic acid; gluconic acid; and ascorbic acid; B. between about 1% and 5% by weight of vitamin A palmitate; C. between about 0.5% and 5% by weight of vitamin E acetate; and D. a diluent or carrier for the composition comprising one or more compounds selected from the group consisting of emollients, lubricants, emulsifying agents, thickening agents, and humectants.
Claim 2
Dependent Claim
88 words
A topical skin cream composition comprising A. between about 1.5% and 3.5% by weight of an acid selected from the group consisting of glycolic acid; fumaric acid; tartaric acid; L-aspartic acid; gluconic acid; and ascorbic acid; B. between about 1% and 5% by weight of vitamin A palmitate; C. between about 0.5% and 5% by weight of vitamin E acetate; and D. a diluent or carrier for the composition comprising one or more compounds selected from the group consisting of emollients, lubricants, emulsifying agents, thickening agents, and humectants.
Claim 3
Dependent Claim
31 words
The composition defined in claim 1, wherein said diluent or carrier further comprises at least one compound selected from the group consisting of preservatives, antifungal agents, wetting agents, and emulsifying agents.
Claim 4
Dependent Claim
79 words
The composition defined in claim 1, wherein said diluent or carrier comprises A. an emollient or softening agent consisting of between about 5% and 9% by weight of cetyl esters wax; B. a lubricant consisting of between about 5% and 12% by weight of ceryl alcohol; C. an emulsifying or thickening agent comprising between about 2% and 5% by weight of cetyl alcohol; and D. an emollient or humectant comprising between about 2% and 12% by weight of glycerin.
Claim 5
Dependent Claim
73 words
The composition defined in claim 1, wherein said diluent or carrier comprises A. a preservative comprising between about 0.05% and 0.3% by weight of methyl paraben; B. an antifungal agent comprising between about 0.02% and 0.5% by weight of propyl paraben; C. a preservative comprising between about 0.05% and 0.12% by weight of quaternium-15; and D. a wetting or emulsifying agent comprising between about 0.05% and 1% by weight of sodium lauryl sulfate.
Claim 6
Dependent Claim
95 words
A topical skin cream composition comprising: A. between about 1.5% and 3.5% by weight of glycolic acid; B. between about 1% and 5% by weight of vitamin A palmitate; C. between about 0.5% and 5% by weight of vitamin E acetate; and D. a moisturizing cream base comprising at least one emollient or humectant selected from the group consisting of cetyl esters wax, stearyl alcohol, cetyl alcohol, and glycerin, a preservative selected from the group consisting of methyl paraben and propyl paraben, and sodium lauryl sulfate as an emulsifier; and E. water forming the balance.
Claim 7
Dependent Claim
95 words
A topical skin cream composition comprising: A. between about 1.5% and 3.5% by weight of glycolic acid; B. between about 1% and 5% by weight of vitamin A palmitate; C. between about 0.5% and 5% by weight of vitamin E acetate; and D. a moisturizing cream base comprising at least one emollient or humectant selected from the group consisting of cetyl esters wax, stearyl alcohol, cetyl alcohol, and glycerin, a preservative selected from the group consisting of methyl paraben and propyl paraben, and sodium lauryl sulfate as an emulsifier; and E. water forming the balance.
Claim 8
Dependent Claim
104 words
The composition defined in claim 5, wherein said composition comprises A. about 2.1% by weight of glycolic acid; B. 1% by weight of vitamin A palmitate; C. 0.5% by weight of vitamin E acetate; D. about 8.4% by weight of cetyl esters wax; E. about 10% by weight of stearyl alcohol; F. about 4by weight of cetyl alcohol; G. about 10% by weight of glycerin; H. about 0.2% by weight of methyl paraben; I. about 0.02% by weight of propyl paraben; J. about 0.1% by weight of quaternium-15; K. about 2.5% by weight of sodium lauryl sulfate; and L. de-ionized water forming the balance.
Claim 9
Dependent Claim
126 words
A topical skin cream composition comprising: A. between about 1.5% and 3.5% by weight of an acid selected from the group consisting of glycolic acid; fumaric acid; tartaric acid; L-aspartic acid; gluconic acid; and ascorbic acid; B. between about 1% and 5% by weight of vitamin A palmitate; C. between about 0.5% and 5% by weight of vitamin E acetate; D. between about 5% and 9% by weight of a wax consisting of a mixture of esters of fatty acids and alcohols having 14 to 18 carbon atoms; E. between about 5% and 12% by weight of stearyl alcohol; F. between about 2% and 5% by weight of cetyl alcohol; G. between about 2% and 12% by weight of glycerine; and H. de-ionized water forming balance.
Claim 10
Dependent Claim
126 words
A topical skin cream composition comprising: A. between about 1.5% and 3.5% by weight of an acid selected from the group consisting of glycolic acid; fumaric acid; tartaric acid; L-aspartic acid; gluconic acid; and ascorbic acid; B. between about 1% and 5% by weight of vitamin A palmitate; C. between about 0.5% and 5% by weight of vitamin E acetate; D. between about 5% and 9% by weight of a wax consisting of a mixture of esters of fatty acids and alcohols having 14 to 18 carbon atoms; E. between about 5% and 12% by weight of stearyl alcohol; F. between about 2% and 5% by weight of cetyl alcohol; G. between about 2% and 12% by weight of glycerine; and H. de-ionized water forming balance.
References Cited (Backward Citations)
US4124720A
Cited
US4294852A
Cited
US4195077A
Cited
US4035513A
Cited
US4287214A
Cited
US4695452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-10-06 | 1996-04-06 | 1996-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-10-06 | 2000-04-06 | 2000-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-10-06 | 2004-04-06 | 2004-10-06 | $7700.00 | Window Closed / Lapsed |