Patent · US Expired

Organopolysiloxanes for defoaming aqueous systems

US6858663B2 · kind B2 · utility

66Cited by

8References

19Claims

0Family size

Assignee

GOLDSCHMIDT HOLDING GMBH · DE

Inventors

Wilfried Knott · Essen, DE
Kathrin Lehmann · Leverkusen, DE
Martina Lüger · Essen, DE
Stefan Silber · Krefeld, DE

Key dates

Filing date	Jul 14, 2003
Grant date	Feb 22, 2005
Priority date	—
Expiry date	Jul 26, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/46
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to the use of water-insoluble organopolysiloxane derivatives of the general formula (I) in which the radicals

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