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. 11, 2016
Filed:
Sep. 30, 2008
Applicants:
Carola Komp, Morfelden-Walldorf, DE;
Eckart Schonfelder, Idstein, DE;
Inventors:
Carola Komp, Morfelden-Walldorf, DE;
Eckart Schonfelder, Idstein, DE;
Assignee:
Chemetall GmbH, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 1/72 (2006.01); C11D 1/835 (2006.01); C11D 11/00 (2006.01); C23C 22/78 (2006.01); C23G 1/14 (2006.01); C11D 1/62 (2006.01);
U.S. Cl.
CPC ...
C11D 1/721 (2013.01); C11D 1/835 (2013.01); C11D 11/0029 (2013.01); C23C 22/78 (2013.01); C23G 1/14 (2013.01); C11D 1/62 (2013.01);
Abstract
The invention relates to an aqueous alkaline cleaning composition for cleaning metal surfaces, containing at least one non-ionic surfactant having demulsifying action and based on ethoxylated alkyl alcohols having one or two alkyl groups, each comprising an average of 7.5 to 16.5 carbon atoms, and an average of 5.5 to 18.5 EO groups per alkyl group, and comprising an end group closure or two end group closures, of which at least one end group closure is an isopropyl, isobutyl, tertiary butyl and/or benzyl group, wherein the surfactant is not propoxylated.