Patent · US Expired

Defoaming agent and/or deaerator for aqueous media tending to foam

US7763664B2 · kind B2 · utility

6Cited by

7References

18Claims

0Family size

Assignee

BASF SE

Inventors

Johann Bonn · Heßheim, DE
Klaus Lorenz · Worms, DE
Joerg Wehrle · Heppenheim, DE
Manfred Matz · Ludwigshafen, DE

Key dates

Filing date	Jul 16, 2003
Grant date	Jul 27, 2010
Priority date	—
Expiry date	Oct 26, 2025

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D19/0404
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A defoaming agent and/or deaerator for aqueous foamable media based on oil-in-water dispersions. The oil phase contains at least one compound from fatty alcohols, fatty acid monoglycerides, diglycerides, and triglycerides, fatty acid ester of fatty acids and monovalent to trivalent alcohols, 3-thiaalkane-1-ole, 3-thiaoxide alkane-1-ole, 3-thiadioxide-alkane-ole, and thiaalkane esters in combination with

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