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. 29, 2021
Filed:
Apr. 23, 2020
Basf SE, Ludwigshafen, DE;
Philippe Rabbat, Maplewood, NJ (US);
Mary Elizabeth Dery, Putnam Valley, NY (US);
Bridgett Rakestraw, Brewster, NY (US);
Sai P. Shum, Pleasantville, NY (US);
Paul Angelo Odorisio, Leonia, NJ (US);
BASF SE, Ludwigshafen, DE;
Abstract
A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently C-A or N, so long as at least one X is N but no more than two of X are N. Moreover, A is H, cyano or an electron donating group that: (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring; or (2) is an aryl group or alkyl group. Further, each R is independently H, an alkyl group, or aryl group and each R' is independently an alkyl group or an aryl group.