US4474763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skin preparation
Assignee: Individual
•
Filing: 1982-07-07
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Granted: 1984-10-02
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Expires: 2002-07-07
Abstract
Abstract A composition useful for smoothing the skin, reducing wrinkles, and improving the moisture level and tone of the skin having minor proportions of the pharmocologically active agents pregnenolone and elastin in a pharmaceutically acceptable hydrophillic carrier vehicle. The composition may further include substances selected from aloe vera, tocopherols, vegetable, animal and synthetic oils and waxes, allantoin, and skin penetration enhancing agents, such as the lower alkyl sulfoxides.
Inventors
- 👤 Irwin I. Lubowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:05
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/63; A61K8/64; A61Q; A61Q19/00; A61Q19/08
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
65 words
A pharmaceutical preparation of for topical administration consisting essentially of an intimate mixture of pregnenolone or a pharmaceutically acceptable salt thereof and a water soluble elastin with a pharmaceutically acceptable carrier, said pregnenolone or salt thereof being present at concentration between about 0.001% to about 1.0% by weight, and said water soluble elastin being present at concentrations between about 0.5% and about 10% by weight.
Claim 2
Dependent Claim
65 words
A pharmaceutical preparation of for topical administration consisting essentially of an intimate mixture of pregnenolone or a pharmaceutically acceptable salt thereof and a water soluble elastin with a pharmaceutically acceptable carrier, said pregnenolone or salt thereof being present at concentration between about 0.001% to about 1.0% by weight, and said water soluble elastin being present at concentrations between about 0.5% and about 10% by weight.
Claim 3
Dependent Claim
24 words
The pharmaceutical preparation of claim 1 comprising a pregnenolone salt selected from the group consisting of pregnenolone acetate, pregnenolone succinate and pregnenolone methyl ether.
Claim 4
Dependent Claim
28 words
The pharmaceutical preparation of claim 1 wherein said pharmaceutically acceptable carrier is in the form selected from the group consisting of creams, gels, ointments, salves, liquids, and emulsions.
Claim 5
Dependent Claim
36 words
The pharmaceutical preparation of claim 1 additionally comprising at least one adjunct selected from the group consisting of collagen, aloe vera, oils, waxes, allantoin, vitamins, sunscreens, rebefactants, surfactants, tissue penetration enhancing agents, fragrance and coloring agents.
Claim 6
Dependent Claim
27 words
A pharmaceutical preparation for topical administration consisting essentially of by weight: about 0.025% pregnenolone acetate: about 1.0% elastin hydrolyzate; and about 98.975% hydrophilic pharmaceutically acceptable carrier vehicle.
Claim 7
Dependent Claim
27 words
A pharmaceutical preparation for topical administration consisting essentially of by weight: about 0.025% pregnenolone acetate: about 1.0% elastin hydrolyzate; and about 98.975% hydrophilic pharmaceutically acceptable carrier vehicle.
Claim 8
Independent Claim
50 words
A method for diminishing lines and wrinkles of living human tissue comprising: applying to substantially clean human skin a pharmaceutical preparation consisting essentially of between about 0.001% to about 1.0% by weight pregnenolone acetate, between about 0.5% to about 5% by weight elastin hydrolyzate, and the balance pharmaceutically acceptable carrier.
Claim 9
Independent Claim
50 words
A method for diminishing lines and wrinkles of living human tissue comprising: applying to substantially clean human skin a pharmaceutical preparation consisting essentially of between about 0.001% to about 1.0% by weight pregnenolone acetate, between about 0.5% to about 5% by weight elastin hydrolyzate, and the balance pharmaceutically acceptable carrier.
Claim 10
Dependent Claim
21 words
The method of claim 6 wherein said application is repeated at least twice daily at intervals of at least six hours.
Claim 11
Dependent Claim
20 words
The method of claim 7 wherein a first application is applied upon waking and second application is applied before retiring.
Claim 12
Dependent Claim
23 words
The method of claim 6, consisting essentially of about 0.025% pregnenolone acetate, about 1.0% elastin hydrolyzate, and the balance a pharmaceutically acceptable carrier.
Claim 13
Dependent Claim
25 words
The pharmaceutical preparation of claim 5 consisting essentially of about 0.025% pregnenolone acetate, about 1.0% elastin hydrolyzate, and the balance a hydrophilic pharmaceutically acceptable carrier.
References Cited (Backward Citations)
US3364118A
Cited
US3991184A
Cited
US4080309A
Cited
US4080310A
Cited
US4327078A
Cited
FR2405069A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-02 | 1988-04-02 | 1988-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-02 | 1992-04-02 | 1992-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-02 | 1996-04-02 | 1996-10-02 | $7700.00 | Window Closed / Lapsed |