Process for cross-linking hyaluronic acid to polymers
US7226972B2 · kind B2 · utility
18Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2004 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Aug 27, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/594
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a process for the production of hyaluronic acid (HA) derivatives cross-linked with another polymer, in particular multiple e.g. double cross-linked hyaluronic acid derivatives. The invention also provides novel cross-linked derivatives, products containing them and their uses in cosmetic, medical and pharmaceutical applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.