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. 15, 1982
Filed:
Oct. 06, 1980
Applicant:
Inventors:
Baldev K Bandlish, Middlebury, CT (US);
Frederick C Loveless, Cheshire, CT (US);
Walter Nudenberg, Newtown, CT (US);
Assignee:
Uniroyal, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 497 ; 252 375 ; 252 / ; 2523 / ; 2524 / ;
Abstract
Lubricating oils are stabilized against oxidative degradation by the use of a stabilizer comprising (A) an amine wherein the amine is a substituted benzylamine, or a substituted 1-amino-1,2,3,4-tetrahydronaphthalene, (B) a metal deacturator and (C) a metal or metal salt. Optionally a metal deactivator can be incorporated into the system. The preferred substitute benzylamine is N(alpha-methyl benzyl)amine the preferred naphthalamine is phenyl-alpha-naphthalamine.