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:
Dec. 09, 2025
Filed:
Nov. 27, 2019
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Stephan Salzinger, Heerenveen, NL;
Robert Reichardt, Ludwigshafen am Rhein, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/08 (2006.01); C08G 18/20 (2006.01); C08G 18/22 (2006.01); C08G 18/28 (2006.01); C08G 18/48 (2006.01); C08G 18/75 (2006.01); C08K 5/16 (2006.01); C08L 75/08 (2006.01); C09D 7/40 (2018.01); C09D 7/63 (2018.01); C09D 175/04 (2006.01);
U.S. Cl.
CPC ...
C08G 18/0895 (2013.01); C08G 18/2063 (2013.01); C08G 18/227 (2013.01); C08G 18/2825 (2013.01); C08G 18/283 (2013.01); C08G 18/2835 (2013.01); C08G 18/4833 (2013.01); C08G 18/755 (2013.01); C08G 18/758 (2013.01); C08K 5/16 (2013.01); C08L 75/08 (2013.01); C09D 175/04 (2013.01); C09D 7/40 (2018.01); C09D 7/63 (2018.01);
Abstract
The presently claimed invention provides a continuous process for preparing a polyurethane composition which behaves as a rheology modifier upon addition to paint and coating formulations. The present process employs mixers for homogenization of highly viscous polyurethane polymers and by adjusting the process parameters and reactor conditions in specified ranges obtained a polyurethane composition. The polyurethane composition obtained from the process of the present invention is used as thickener in water-borne paint and coating formulations.