Crosslinked hyaluronic acid and its use
US4716224A · kind A · utility
88Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1985 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | May 2, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Crosslinked hyaluronic acid or salts thereof prepared by crosslinking hyaluronic acid or salts thereof with a polyfunctional epoxy compound wherein a crosslinking index or number is 5 or more per 1000 repeating disaccharides composed of glucronic acid in hyaluronic acid and N-acetylglucosamine, and having various medical and cosmetic uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.