Gels formed by the interaction of poly(aldehyde) with various substances
US6121375A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Feb 11, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2791/001
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention, which addresses the needs of the prior art, provides irreversible, hydrophilic gels which can be incorporated into dressing compositions, dermatologically compatible compositions, wound packings, wound dressings, burn dressings, drug delivery dressings, dry films, cosmetic masks and cosmetic wrap dressings. The gels of the invention include a blend of a hydrophilic poly(aldehyde) and a polymer selected from the group consisting of a poly(amide), a poly(amine) and a poly(alcohol).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.