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:
Feb. 18, 2020
Filed:
Sep. 13, 2017
Applicant:
Lanxess Solutions Us Inc., Middlebury, CT (US);
Inventor:
Robert G. Rowland, Woodbridge, CT (US);
Assignee:
LANXESS Solutions US Inc., Shelton, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 133/54 (2006.01); C10M 169/04 (2006.01); C10M 133/14 (2006.01); C10M 105/00 (2006.01); C07C 215/82 (2006.01); C07C 211/57 (2006.01); C07C 211/55 (2006.01);
U.S. Cl.
CPC ...
C10M 133/54 (2013.01); C07C 211/55 (2013.01); C07C 211/57 (2013.01); C07C 215/82 (2013.01); C10M 105/00 (2013.01); C10M 133/14 (2013.01); C10M 169/04 (2013.01); C07C 2602/10 (2017.05); C10M 2203/003 (2013.01); C10M 2207/026 (2013.01); C10M 2215/062 (2013.01); C10M 2215/064 (2013.01); C10M 2215/26 (2013.01); C10N 2230/04 (2013.01); C10N 2230/08 (2013.01); C10N 2230/10 (2013.01); C10N 2240/10 (2013.01);
Abstract
Certain alkylated 3-hydroxyphenylamine antioxidants wherein one phenyl is substituted by at least one hydroxyl group at the 3-position relative to the amine and the other phenyl is substituted by at least one substituent having 4 or more carbon atoms are surprisingly effective antioxidants, especially in lubricating oils.