Crosslinked products of biopolymers containing amino groups
US6509039B1 · kind B1 · utility
32Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 21, 2000 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Jul 21, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08H1/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to cross linked products of chitosan or gelatin and of a carboxylic acid di- or polyanhydride. These products form hydrogels with a wide variety of applications, preferably in the medical/pharmaceutical sector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.