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:
May. 16, 2023
Filed:
Jun. 26, 2020
Applicant:
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Inventors:
Andrew J. Shooter, Wilmslow, GB;
Dean Thetford, Norden, GB;
Robert A. Jennings, Prestwich, GB;
Stuart N. Richards, Frodsham, GB;
Assignee:
Lubrizol Advanced Materials, Inc, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F 267/00 (2006.01); C08F 267/10 (2006.01); C08F 290/06 (2006.01); C08F 220/18 (2006.01); C09D 11/107 (2014.01); C08F 283/01 (2006.01); C08F 283/06 (2006.01); C08F 267/06 (2006.01); C09D 133/04 (2006.01);
U.S. Cl.
CPC ...
C08F 220/1804 (2020.02); C08F 267/06 (2013.01); C08F 267/10 (2013.01); C08F 283/01 (2013.01); C08F 283/06 (2013.01); C08F 290/061 (2013.01); C08F 290/062 (2013.01); C08F 290/067 (2013.01); C09D 11/107 (2013.01); C09D 133/04 (2013.01);
Abstract
Polymeric dispersants are disclosed that include an acrylic backbone at least one pendantly attached imide group, wherein the carbonyl of the imide are chemically bonded to a fused aromatic ring. The aromatic ring can be substituted with various electron withdrawing or releasing groups. Desirably dispersant also includes solvent-solubilising chains of polyether, polyester, polyacrylate, and or polyolefin.