Cosmetic and pharmaceutical sheet material containing polypeptides
US4591501A · kind A · utility
94Cited by
33References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 16, 1984 |
| Grant date | May 27, 1986 |
| Priority date | — |
| Expiry date | May 16, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A flexible continuous film is comprised of a physical admixture of a polypeptide, a plasticizer and a film-forming flexible polymer. When the film is moistened, the polypeptides exude therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.