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US4367227A
Expired / Lapsed
US
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Method and cosmetic composition for reducing sebum secretion
Assignee: CPPD Inc A CORP OF
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Filing: 1978-12-26
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Granted: 1983-01-04
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Expires: 1998-12-26
Abstract
Abstract A cosmetic composition for reducing sebum secretion comprising in solution in a C 2 -C 3 aliphatic alcohol an effective amount of cyproterone acetate.
Inventors
- 👤 Keith D. Bingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:20
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/63; A61Q; A61Q19/00; A61Q19/008; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
46 words
A topical cosmetic composition for reducing sebum excretion consisting essentially of: (a) an amount effect to reduce sebum excretion of cyproterone acetate; and (b) a C 2 to C 3 aliphatic alcohol or a mixture of a C 2 to C 3 aliphatic alcohol and water.
Claim 2
Dependent Claim
46 words
A topical cosmetic composition for reducing sebum excretion consisting essentially of: (a) an amount effect to reduce sebum excretion of cyproterone acetate; and (b) a C 2 to C 3 aliphatic alcohol or a mixture of a C 2 to C 3 aliphatic alcohol and water.
Claim 3
Dependent Claim
33 words
A topical cosmetic composition according to claim 1 further consisting of a thickening agent, wherein said thickening agent is present in an amount sufficient to render said composition a viscous or gelled solution.
Claim 4
Dependent Claim
32 words
A topical cosmetic composition according to claim 1, wherein said cyproterone acetate is present in said composition at a level of about 0.01 to about 10 percent by weight of said composition.
Claim 5
Dependent Claim
14 words
A topical cosmetic composition according to claim 3, wherein said aliphatic alcohol is ethanol.
Claim 6
Dependent Claim
58 words
A topical cosmetic composition according to claim 2, wherein, (a) said cyproterone acetate is present in said composition at a level of about 0.01 to about 10 percent by weight of said composition; and (b) said thickening agent is present in said composition at a level of about 0.5 to about 5 percent by weight of said composition.
Claim 7
Dependent Claim
15 words
A topical cosmetic composition according to claim 5, wherein said thickening agent is a hydroxypropylcellulose.
Claim 8
Dependent Claim
80 words
A topical cosmetic composition for reducing sebum excretion consisting of: (a) about 0.01 to about 10 percent by weight of said composition of cyproterone acetate; (b) about 0.5 to about 5 percent by weight of a thickening agent; (c) a C 2 to C 3 aliphatic alcohol or a mixture of a C 2 to C 3 aliphatic alcohol and water; and (d) a physiologically acceptable cosmetic additive selected from the group consisting of perfume, coloring agents, and mixtures thereof.
Claim 9
Dependent Claim
80 words
A topical cosmetic composition for reducing sebum excretion consisting of: (a) about 0.01 to about 10 percent by weight of said composition of cyproterone acetate; (b) about 0.5 to about 5 percent by weight of a thickening agent; (c) a C 2 to C 3 aliphatic alcohol or a mixture of a C 2 to C 3 aliphatic alcohol and water; and (d) a physiologically acceptable cosmetic additive selected from the group consisting of perfume, coloring agents, and mixtures thereof.
Claim 10
Independent Claim
42 words
A method of inhibiting sebum excretion comprising applying to the skin an effective amount of a composition wherein said composition comprises: (a) an amount effective to reduce sebum excretion of cyproterone acetate, and (b) a C 2 to C 3 aliphatic alcohol.
Claim 11
Independent Claim
42 words
A method of inhibiting sebum excretion comprising applying to the skin an effective amount of a composition wherein said composition comprises: (a) an amount effective to reduce sebum excretion of cyproterone acetate, and (b) a C 2 to C 3 aliphatic alcohol.
Claim 12
Dependent Claim
32 words
A method according to claim 8 wherein said composition further comprises a thickening agent wherein said thickening agent is present in an amount to render said composition a viscous or gelled solution.
Claim 13
Dependent Claim
30 words
A method according to claim 8 wherein said cyproterone acetate is present in said composition at a level of about 0.01 to about 10 percent by weight of said composition.
Claim 14
Dependent Claim
56 words
A method according to claim 9 wherein: (a) said cyproterone acetate is present in said composition at a level of about 0.01 to about 10 percent by weight of said composition; and (b) said thickening agent is present in said composition at a level of about 0.5 to about 5 percent by weight of said composition.
Claim 15
Dependent Claim
12 words
A method according to claim 11 wherein said thickening agent is hydroxypropylcellulose.
Claim 16
Dependent Claim
85 words
A cosmetic device for reducing sebum excretion comprising: (a) a cosmetic composition comprising: (i) an amount effective to reduce sebum excretion of cyproterone acetate; and (ii) a C 2 to C 3 aliphatic alcohol; and (b) an applicator in combination with said composition wherein said applicator is selected from the group consisting of: (i) an absorbent pad, (ii) a roll-on applicator, (iii) a pump spray applicator, and (iv) an aerosol spray applicator; wherein said combination provides a means for applying said composition to the skin.
Claim 17
Dependent Claim
85 words
A cosmetic device for reducing sebum excretion comprising: (a) a cosmetic composition comprising: (i) an amount effective to reduce sebum excretion of cyproterone acetate; and (ii) a C 2 to C 3 aliphatic alcohol; and (b) an applicator in combination with said composition wherein said applicator is selected from the group consisting of: (i) an absorbent pad, (ii) a roll-on applicator, (iii) a pump spray applicator, and (iv) an aerosol spray applicator; wherein said combination provides a means for applying said composition to the skin.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-03 | 1986-07-05 | 1987-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-03 | 1990-07-05 | 1991-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-03 | 1994-07-05 | 1995-01-04 | $7700.00 | Window Closed / Lapsed |