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, 1999
Filed:
Nov. 06, 1997
Applicant:
Inventors:
Deepak Kumar Tuli, Faridabad, IN;
Rakesh Sarin, Faridabad, IN;
Madan Mohan Rai, Faridabad, IN;
Akhilesh Kumar Bhatnagar, Faridabad, IN;
Assignee:
Indian Oil Corporaton Limited, Mumbai, IN;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508353 ; 508429 ; 508436 ; 558112 ;
Abstract
A process for the preparation of amino di(alkylaryl) phosphorodithioate for use as an additive in a lubricant composition so as to impart improved coefficient of friction, wear reduction, antioxidant and extreme pressure properties, including the steps of