The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 1994
Filed:
Feb. 05, 1993
Applicant:
Inventors:
Robert H Fleuren, Copenhagen, DK;
Jacqueline L'Hostis, Woluwe-Saint-Lambert, BE;
Elizabeth F Mallen, Brussels, BE;
Franck A Renauld, Gistoux, BE;
Assignee:
Dow Corning S.A., Seneffe, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
25217415 ; 252121 ; 252173 ; 252321 ; 252358 ; 252550 ; 252D / ;
Abstract
A suds-controlling composition which comprises 100 parts by weight of a silicone antifoam which has a liquid branched polyhydrocarbyl siloxane material having at most 2 mole % branching and at least 2 trifunctional or tetrafunctional siloxane units, a finely divided hydrophobic filler, and from 75 to 900 parts by weight of a polyorganosiloxane polyoxyalkylene copolymer can be used as a stable suds-controlling composition for aqueous surfactant compositions, especially liquid detergents.