US4963591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic compositions
Assignee: Church and Dwight Co Inc
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Filing: 1985-12-16
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Granted: 1990-10-16
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Expires: 2005-12-16
Abstract
Abstract Skin care cosmetic formulations which include a cellulosic polymer/solvent system capable of dispersing thin, substantive films on the skin are disclosed.
Inventors
- 👤 Robert G. Fourman
- 👤 Richard P. Dixon
- 👤 Hans Breuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:34
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/72; A61K8/73; A61K8/731; A61K2800/00; A61K2800/74; A61K2800/75; A61Q1/00; A61Q1/02; A61Q15/00; A61Q17/00; A61Q17/005; A61Q17/02; A61Q17/04; A61Q19/002; A61Q5/00; A61Q5/006; A61Q5/06; A61Q5/065; A61Q9/00; A61Q9/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
78 words
A composition which when applied to the skin provides a fine, thin substantive film characterized by cosmetically acceptable tactile properties, strong adherence to the skin and high resistance to removal by water or abrasion consisting essentially of (a) from about 0.1% to about 10.0% by weight of a cellulosic ether having an ethoxyl content above about 47% and (b) from about 20% to about 95% by weight of a lower aliphatic alcohol organic solvent for said cellulosic ether.
Claim 2
Dependent Claim
78 words
A composition which when applied to the skin provides a fine, thin substantive film characterized by cosmetically acceptable tactile properties, strong adherence to the skin and high resistance to removal by water or abrasion consisting essentially of (a) from about 0.1% to about 10.0% by weight of a cellulosic ether having an ethoxyl content above about 47% and (b) from about 20% to about 95% by weight of a lower aliphatic alcohol organic solvent for said cellulosic ether.
Claim 3
Dependent Claim
27 words
A composition as claimed in claim 1 wherein said cellulosic ether is a cellulose ethyl ether having an ethoxyl content of from about 48% to about 49.5%.
References Cited (Backward Citations)
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Cited
US2435005A
Cited
GB796308A
Cited
US3186912A
Cited
DE1173447B
Cited
FR2455459A1
Cited
EP0106193A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-10-15 | 1994-04-16 | 1994-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-15 | 1998-04-16 | 1998-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-15 | 2002-04-16 | 2002-10-16 | $7700.00 | Window Closed / Lapsed |