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:
Jun. 17, 2014
Filed:
May. 09, 2013
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Rainer Dobrawa, Ludwigshafen, DE;
Sophia Ebert, Mannheim, DE;
Stefano Scialla, Rome, IT;
Frank Hulskotter, Bad Dürkheim, DE;
Gloria Di Capua, Ardea, IT;
Patrick Delplancke, Strombeek-Bever, BE;
Marc Evers, Strombeek-Bever, BE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/22 (2006.01); C11D 7/26 (2006.01); C11D 7/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an ethoxylated polyethylenimine polymer comprising (1) a polyethyleneimine backbone, (2) a polyoxyethylene chain wherein the polyoxyethylene chain has an average of 40 to 90 ethyleneoxide units per unit of NH in the polyethyleneimine backbone, (3) a quaternization degree of from 1% to less than 50%.