Biodegradable matrix and methods for producing same
US4970298A · kind A · utility
307Cited by
3References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1986 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Jun 18, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to a biodegradable collagen matrix having a pore size and morphology which enhances the healing of a wound. It further relates to a process for preparing the matrix. One embodiment of the invention comprises a biodegradable matrix which comprises collagen, hyaluronic acid and fibronectin. Other embodiments include a process which comprises freeze drying a dispersion containing collagen, crosslinking the collagen via two crosslinking steps and freeze drying the crosslinked matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.