Method for preparation of type II collagen
US5840848A · kind A · utility
35Cited by
18References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Jan 3, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An method is disclosed for removing Type I collagen-containing tissue adjoining Type II collagen-containing animal tissue comprising treatment of unprocessed Type II collagen-containing tissue in an acidic solution in the presence of an acid proteinase and subjecting the mixture to moderate agitation for a period of time sufficient to cause digestion or separation of the Type I collagen-containing tissue from the Type II collagen-containing tissue. Also disclosed are methods for removing proteoglycans from Type II collagen-containing tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.