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. 02, 2018
Filed:
Jun. 21, 2013
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Arend Jouke Kingma, Weisenheim am Sand, DE;
Diana Neumann, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 1/72 (2006.01); C11D 17/00 (2006.01); C11D 11/00 (2006.01); C11D 1/42 (2006.01); C11D 1/44 (2006.01); C11D 1/722 (2006.01); B01D 65/02 (2006.01);
U.S. Cl.
CPC ...
C11D 1/72 (2013.01); B01D 65/02 (2013.01); C11D 1/42 (2013.01); C11D 1/44 (2013.01); C11D 1/721 (2013.01); C11D 1/722 (2013.01); C11D 11/0011 (2013.01); C11D 17/0008 (2013.01); B01D 2321/168 (2013.01);
Abstract
The object of the present invention relates to the use of an branched alkoxylated non-ionic surfactant as an additive to an aqueous membrane cleaning composition, wherein the surfactant has an HLBvalue of 9 to 12.5 and an average degree of branching B≥1.5 and wherein the surfactant has the following formula: wherein