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, 2002
Filed:
Apr. 09, 2001
Applicant:
Inventors:
Andress K. Johnson, Pleasantville, NY (US);
Ralph Franklin, Danbury, CT (US);
Assignee:
Akzo Nobel N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/835 ; C11D 1/62 ; C11D 1/72 ;
U.S. Cl.
CPC ...
C11D 1/835 ; C11D 1/62 ; C11D 1/72 ;
Abstract
The present invention generally relates to low foaming and/or defoaming cleaning formulations which, comprises a synergistic combination of one or more hydrotropic alkoxylated quaternary ammonium compounds and at least one nonionic surfactant based on branched alcohols. The nonionic surfactant may be selected from structures having 3 to 12 moles of ethoxylation, but preferably have an average of 3-6 moles of ethoxylation with either narrow or broad range distribution.