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:
Apr. 13, 2021
Filed:
Jan. 04, 2017
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Szilard Csihony, Ludwigshafen, DE;
Mary Elizabeth Dery, Tarrytown, NY (US);
Philippe Rabbat, Tarrytown, NY (US);
Ryan James Fenton, Tarrytown, NY (US);
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 173/02 (2006.01); C10M 169/04 (2006.01); C08F 220/18 (2006.01); C10M 145/14 (2006.01); C08L 33/06 (2006.01); C08J 3/09 (2006.01); C10N 20/02 (2006.01); C10N 20/00 (2006.01); C10N 30/02 (2006.01); C10N 30/00 (2006.01); C10N 40/04 (2006.01); C10N 40/08 (2006.01); C10N 40/20 (2006.01); C10N 40/25 (2006.01); C10N 50/10 (2006.01); C10N 70/00 (2006.01);
U.S. Cl.
CPC ...
C10M 169/041 (2013.01); C08F 220/18 (2013.01); C08J 3/092 (2013.01); C08L 33/06 (2013.01); C10M 145/14 (2013.01); C08F 220/1818 (2020.02); C08F 2800/20 (2013.01); C10M 2203/003 (2013.01); C10M 2203/1025 (2013.01); C10M 2209/084 (2013.01); C10N 2020/02 (2013.01); C10N 2020/069 (2020.05); C10N 2020/071 (2020.05); C10N 2030/02 (2013.01); C10N 2030/68 (2020.05); C10N 2040/04 (2013.01); C10N 2040/042 (2020.05); C10N 2040/044 (2020.05); C10N 2040/08 (2013.01); C10N 2040/20 (2013.01); C10N 2040/25 (2013.01); C10N 2050/10 (2013.01); C10N 2070/02 (2020.05);
Abstract
The presently claimed invention is directed to poly(meth)acrylate copolymers containing alkyl(meth)acrylate comonomer with branched C17 alkyl group. The invention is further related to lubricating oil compositions comprising poly(meth)acrylate copolymers containing alkyl(meth) acrylate comonomer with branched C17 alkyl group as viscosity index improving component.