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:
Apr. 08, 2003
Filed:
Jan. 05, 2001
Applicant:
Inventor:
Timothy B Cameron, Mulberry, FL (US);
Assignee:
Custom Chemicals Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/904 ; C01B 2/522 ;
U.S. Cl.
CPC ...
B01D 1/904 ; C01B 2/522 ;
Abstract
A defoaming composition useful in high strength acid media includes an ester condensate of a C -C fatty acid and a at least one alcohol derivative selected from the group consisting of C -C alcohol ethoxylates having at least three ethoxylate residues per molecule, C -C alcohol propoxylates having at least three propoxylate residues per molecule and C -C alcohol mixed ethoxylate-propoxylates having at least three total ethoxylate and propoxylate residues per molecule. The condensate is preferably liquid at room temperature and miscible with water.