Process for the production of collagen foams in the form of continuous tapes and their use in medicine, cosmetics and hygiene
US5516395A · kind A · utility
16Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1993 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Dec 23, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1067
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the production of collagen foams in the form of continuous tapes, characterized in that a) solved or dispersed collagen is cast into disk molds, b) the collagen solution or dispersion is frozen in the disk mold and subsequently is freeze-dried c) continuous tapes are produced from the freeze-dried disks by mechanical processes. Furthermore, the present invention relates to the use of said tapes so obtained in medicine, cosmetic and hygiene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.