Patent · US Active

Foam regulating agent based on cationic urethane oligomers

US7807725B2 · kind B2 · utility

2Cited by

2References

18Claims

0Family size

Assignee

BASF SE

Inventors

Son Nguyen-Kim · Hemsbach, DE
Ralf Norenberg · Ingelheim am Rhein, DE

Key dates

Filing date	Aug 27, 2004
Grant date	Oct 5, 2010
Priority date	—
Expiry date	Nov 30, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/3726
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a cationic poly(ether-urethane) constructed from Furthermore, the present invention relates to a process for the preparation of the cationic poly(ether-urethanes), according to the invention, to compositions comprising the cationic poly(ether-urethanes) according to the invention and also at least one anionic surfactant, to a method of foam regulation, in particular for suppressing foam or for defoaming using at least one cationic poly(ether-urethane) according to the invention, to the use of the cationic poly(ether-urethane) according to the invention for foam regulation, in particular as foam suppressor or defoamer.

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