US4147782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmaceutical detergent composition
Assignee: William H Rorer Inc
•
Filing: 1976-06-24
•
Granted: 1979-04-03
•
Expires: 1996-06-24
Abstract
Abstract Novel pharmaceutical preparation useful for cleaning the skin of persons affected with acne, chronic oily skin and other skin ailments are disclosed.
Inventors
- 👤 Robert W. Klein
- 👤 Mary E. Foxx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:38
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/384; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/368; A61K8/40; A61K8/44; A61K8/64; A61K8/65; A61K8/72; A61K8/81; A61K8/817; A61K8/8176; A61Q; A61Q19/00; A61Q19/10; C11D1/00; C11D1/02; C11D1/04; C11D1/10; C11D3/37; C11D3/3746; C11D3/3769; C11D3/3776; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5426
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
75 words
An aqueous pharmaceutical detergent composition for cleansing oily skin which comprises the following ingredients, by weight: ______________________________________
N-Acyl ester sarcosinate salt in which the
salt moiety is selected from sodium, potassium,
ammonium and triethanolamine and in which
the acyl ester moiety is selected from
lauroyl, myristoyl and stearoyl
8.0 to 31.0
Polyvinyl pyrrolidone having an average
molecular weight of 4000 to 90,000
0.1 to 5.0
Water soluble protein hydrolysates
0.1 to 6.0
Water Q.S.
______________________________________
Claim 2
Dependent Claim
75 words
An aqueous pharmaceutical detergent composition for cleansing oily skin which comprises the following ingredients, by weight: ______________________________________
N-Acyl ester sarcosinate salt in which the
salt moiety is selected from sodium, potassium,
ammonium and triethanolamine and in which
the acyl ester moiety is selected from
lauroyl, myristoyl and stearoyl
8.0 to 31.0
Polyvinyl pyrrolidone having an average
molecular weight of 4000 to 90,000
0.1 to 5.0
Water soluble protein hydrolysates
0.1 to 6.0
Water Q.S.
______________________________________
Claim 3
Dependent Claim
15 words
The composition of claim 1 in which the pH is adjusted within 4.6 and 8.3.
Claim 4
Dependent Claim
36 words
The composition of claim 1 which also includes a keratolytic agent selected from the group consisting of salicylic acid, and lactic acid in an amount to constitute from 0.1 to 6.0% by weight of the composition.
Claim 5
Dependent Claim
36 words
The composition of claim 1 which additionally includes an agent selected from the group consisting of a fatty acid amide, a fatty alkylamine, propyl dimethyl amine oxide, citric acid, a nonionic detergent and an anionic detergent.
References Cited (Backward Citations)
US3109777A
Cited
US3968218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-02 | 1982-10-02 | 1983-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-02 | 1986-10-02 | 1987-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-02 | 1990-10-02 | 1991-04-03 | $7700.00 | Window Closed / Lapsed |