Patent · US Active

Defoaming formulations containing organopolysiloxanes

US10870071B2 · kind B2 · utility

0Cited by

12References

22Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Christof Brehm · Konstanz, DE
Willibald Burger · Burghausen, DE
Wolfgang Ziche · Diera, DE

Key dates

Filing date	Jun 6, 2017
Grant date	Dec 22, 2020
Priority date	—
Expiry date	Jun 17, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/035
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Defoamer compositions containing a plurality of defined organopolysiloxanes exhibit very short initial foam collapse and yet exhibit long lasting defoaming activity when added to aqueous media prone to foaming.

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