Carboxylated polysaccharides and method of preparation and use
US7456265B2 · kind B2 · utility
7Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2005 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Aug 10, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0043
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Chemically modified dicarboxy polysaccharides are described. The modified polysaccharides are useful as a carrier for cosmetics, pharmaceuticals, veterinary products and the like. The modified polysaccharides can provide a timed release of active ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.