Process for preparing derivatized polysaccharides
US9815911B2 · kind B2 · utility
1Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2013 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Jun 17, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2400/01
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a process for preparing a polysaccharide derivative, comprising the steps of: (a) contacting at least one polysaccharide with at least one polysaccharide swelling agent at a temperature of at most 70° C.; and (b) subsequently, contacting the product of step (a) with at least one aromatic isocyanate; thereby preparing a polysaccharide derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.