Collagen matrix/polymer film composite dressing
US4841962A · kind A · utility
252Cited by
2References
8Claims
0Family size
Inventors
Key dates
| Filing date | Sep 11, 1987 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Sep 11, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A wound dressing comprising a crosslinked collagen matrix; a bioabsorbable adhesive coated on one surface of the collagen matrix; a multilayer polymer film imparting pre-selected moisture vapor and gas transmissivity to the dressing, secured to the opposite surface of the collagen matrix; and an adhesive securing the collagen matrix to the polymer film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.