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. 20, 2023
Filed:
Oct. 22, 2021
Applicant:
Afton Chemical Corporation, Richmond, VA (US);
Inventors:
Kongsheng Yang, Glen Allen, VA (US);
Youhong Wang, Glen Allen, VA (US);
Sheng Jiang, Glen Allen, VA (US);
Assignee:
Afton Chemical Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 145/14 (2006.01); C10M 143/10 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 40/25 (2006.01); C10N 10/04 (2006.01); C10N 20/02 (2006.01); C10N 20/04 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 30/08 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 30/18 (2006.01);
U.S. Cl.
CPC ...
C10M 145/14 (2013.01); C10M 143/10 (2013.01); C10M 169/044 (2013.01); C10M 2205/04 (2013.01); C10M 2209/084 (2013.01); C10M 2209/086 (2013.01); C10M 2223/045 (2013.01); C10N 2010/04 (2013.01); C10N 2020/02 (2013.01); C10N 2020/04 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/08 (2013.01); C10N 2030/10 (2013.01); C10N 2030/12 (2013.01); C10N 2030/18 (2013.01); C10N 2030/45 (2020.05); C10N 2030/52 (2020.05); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05);
Abstract
A lubricating composition including a polymer blend of a modified styrene-maleic anhydride copolymer and poly(meth)acrylate copolymer effective to maintain a pumpable fluid at low temperatures.