Patent · US Active

Acylation process

US11041024B2 · kind B2 · utility

0Cited by

6References

22Claims

0Family size

Assignee

SOLVAY ACETOW GmbH · DE

Inventors

Jana Lubkoll · Glückstadt, DE
Armin Stein · Kenzingen, DE

Key dates

Filing date	Jan 31, 2019
Grant date	Jun 22, 2021
Priority date	—
Expiry date	Jan 31, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process for the manufacture of an acylated polymer composition including amylose and/or amylopectin, including a pre-treatment step in the presence of an acid and a hydroxycarboxylic acid, subsequent acylation and, preferably, a post-treatment step with an acid. The products obtained are useful as additives in inks, varnishes, lacquers, coatings, thickeners, adhesives or binders.

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