Patent · US Expired

Method for the production of hyperbranched water-soluble polyesters

US7148293B2 · kind B2 · utility

8Cited by

7References

29Claims

0Family size

Assignee

BASF SE

Inventors

Jean-Francois Stumbe · Strasbourg, FR
Bernd Bruchmann · Ludwigshafen, DE
Dietmar Haring · Schriesheim, DE

Key dates

Filing date	Jul 24, 2003
Grant date	Dec 12, 2006
Priority date	—
Expiry date	Jul 24, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G83/005
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Process for preparing essentially uncrosslinked hyperbranched, water-soluble or water-dispersible polyesters from dicarboxylic acids and polyether polyols having at least 3 OH groups. Water-soluble hyperbranched polyesters which are obtainable by such a process and their use for producing printing inks, adhesives, coatings, paints and varnishes.

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