Patent · US Active

Carboxy-functionalized alternan

US9562112B2 · kind B2 · utility

10Cited by

1References

14Claims

0Family size

Assignee

CRODA INTERNATIONAL PLC · GB

Inventors

Volker Landschütze · Berlin, DE
Sylvia Radosta · Michendorf, DE
Waltraud Vorwerg · Potsdam, DE

Key dates

Filing date	Aug 23, 2013
Grant date	Feb 7, 2017
Priority date	—
Expiry date	Aug 23, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L5/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Functionalized alternan, comprising carboxy groups as functional groups, wherein the alternan can be described by the following formula (I) Alternan (I) wherein R1 is a hydrocarbon group with 1 to about 100 carbon atoms, optionally featuring one or more heteroatoms, wherein the oxygen between “Alternan” and R1 in Formula (I) is an oxygen of an ether group, as well as the procedures for producing such a functionalized alternan in a aqueous medium or using an alcohol or an alcohol-water mixture as a reaction medium, and the use of this functionalized alternan.

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