Patent · US Expired

Block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use

US6552091B1 · kind B1 · utility

23Cited by

12References

19Claims

0Family size

Assignee

GOLDSCHMIDT HOLDING GMBH · DE

Inventors

Tammo Boinowitz · Essen, DE
Ellen Reuter · Essen, DE
Stefan Silber · Krefeld, DE
Joachim Venzmer · Essen, DE

Key dates

Filing date	Aug 24, 2000
Grant date	Apr 22, 2003
Priority date	—
Expiry date	Aug 24, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/911
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use as low-foam pigment wetting agents in aqueous pigment pastes with or without cosolvent and in aqueous and low-solvent coating materials and printing inks.

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