Method for preparing granular porous chitosan
US4975542A · kind A · utility
12Cited by
4References
17Claims
0Family size
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Inventors
Key dates
| Filing date | May 19, 1989 |
| Grant date | Dec 4, 1990 |
| Priority date | — |
| Expiry date | May 19, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2305/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for preparing granular porous chitosan which comprises dispersing an acidic aqueous solution of chitosan in a hydrophobic dispersing medium; and, evaporating water off while stirring the resulting dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.