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:
Oct. 08, 1991
Filed:
Jan. 03, 1989
Applicant:
Inventors:
Robert H Pelton, Mahopac, NY (US);
Errol D Goddard, Haworth, NJ (US);
Assignee:
Union Carbide Chemicals and Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
252321 ; 252358 ;
Abstract
A durable, effective foam suppressant composition produced through free-radical polymerization of mixtures of polydiorganosiloxanes, silica and a free radical polymerization initiator, and optionally, vinyl monomer(s) and pendant vinyl modified silicone oil, followed by dilution of the resulting reaction product with a low viscosity polysiloxane is disclosed. Also disclosed are methods for its production and use in suppressing foams in liquid mediums.