Method for making tacky, hydrophilic gel dressings
US5258421A · kind A · utility
16Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Aug 6, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L26/0052
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dressing includes a stable, tacky gel of polyurethane and poly(N-vinyl lactam), the poly(N-vinyl lactam) having a K-value of at least about 60 and mole equivalents of acid groups above 1.4. The dressing may also include a substrate and various additives incorporated with the gel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.