Water insoluble gel composition and method for preparing same
US9493636B2 · kind B2 · utility
9Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2012 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Mar 10, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a method for preparing a water insoluble gel composition comprising: mixing a water soluble polysaccharide, an epoxy cross-linking agent, an alkaline compound and a solvent; and drying the thus obtained mixture at 1 to 30° C. under vacuum to remove the solvent, and a water insoluble gel composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.