Alpha-1,3-glucan graft copolymers
US11932890B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Aug 19, 2021 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Sep 25, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2305/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions are disclosed herein comprising a graft copolymer that comprises: (i) a backbone comprising dextran that has been modified with about 1%-25% alpha-1,2 branches, and (ii) one or more alpha-1,3-glucan side chains comprising at least about 50% alpha-1,3 glycosidic linkages. Further disclosed are reactions for producing such graft copolymers, as well as their use in derivatives, films and various other applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.