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:
Jan. 15, 2002
Filed:
Jun. 30, 2000
Khem Chand Dohhen, Haryana, IN;
Krishan Kumar Swami, Haryana, IN;
Pankaj Kumar Mondal, Haryana, IN;
Shanti Parkash, Gurgaon, IN;
Rakesh Sarin, Faridabad, IN;
Deepak Kumar Tuli, Faridabad, IN;
Akhilesh Kumar Bhatnagar, Faridabad, IN;
Indian Oil Corporation Limited, Mumbai, IN;
Abstract
A lubricating oil composition for gasoline and diesel internal combustion engines includes a major portion of an oil of lubricating viscosity; from 0.1 to 20.0% w/w of a component A which is a sulfurized, overbased calcium phenate detergent derived from distilled, hydrogenated cashew nut shell liquid; and from 0.1 to 10.0% w/w of a component B which is an amine salt of phosphorodithioic acid derived from cashew nut shell liquid and has a general formula as follows: