Patent · US Active

Method for producing polysaccharide esters or polysaccharide mixed esters

US9181352B2 · kind B2 · utility

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6References

8Claims

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Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Bert Volkert · Berlin, DE
André Lehmann · Potsdam, DE

Key dates

Filing date	May 26, 2010
Grant date	Nov 10, 2015
Priority date	—
Expiry date	Jan 12, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08B3/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a method for producing polysaccharide esters or polysaccharide mixed esters, in which a polysaccharide or a modified polysaccharide is converted with at least one esterification reagent and at least one halogenide component, an imidazole compound which is generated in situ being used as catalyst.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.