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:
May. 17, 1994
Filed:
Apr. 29, 1993
Applicant:
Inventors:
L Oscar Farng, Lawrenceville, NJ (US);
Andrew G Horodysky, Cherry Hill, NJ (US);
Assignee:
Mobil Oil Corporation, Fairfax, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44415 ; 44428 ;
Abstract
A lubricating oil, grease or fuel composition contains an antioxidant amount of a Mannich base reaction product of an N-hydrocarbyl-substituted-phenylenediamine or an N,N'-dihydrocarbyl-substituted phenylenediamine such as N,N'-di-sec-butyl-para-phenylenediamine, an aldehyde or ketone and a hindered phenol such as 2,6-di-tert-butylphenol.
Quick Actions:
Farng, L. (1994). Dihydrocarbyl substituted phenylenediamine-derived phenolic products as (U.S. Patent No. 5312461). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5312461
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile