Water soluble cellulose etherified derivatives styptic materials
US7262181B2 · kind B2 · utility
15Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2001 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Apr 30, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to hemostatic materials made of water-soluble cellulose ether derivatives, such as methylcellulose, ethylcellulose, hydroxyethylcellulose, and pharmaceutically acceptable salts of carboxymethylcellulose, especially to hemostatic materials made of water-soluble cellulose ether derivatives capable of being absorbed in live body. The present invention also relates to the use of water-soluble cellulose hemostatic materials for the preparation of internal and external hemostatic articles and pharmaceutical compositions, and hemostatic articles and pharmaceutical compositions thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.