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:
Aug. 13, 2019
Filed:
Feb. 07, 2017
Exxonmobil Research and Engineering Company, Annandale, NJ (US);
Man Kit Ng, Basking Ridge, NJ (US);
Anne Marie Shough, Conroe, TX (US);
Hong Cheng, Bridgewater, NJ (US);
Joseph R. Pellettiere, Hillside, NJ (US);
Peter Calcavecchio, Milford, NJ (US);
Shane Deighton, Bound Brook, NJ (US);
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, Annandale, NJ (US);
Abstract
A lubricating oil including a lubricating oil base stock as a major component; and a mixture of (i) one or more protected lubricating oil additives having a first performance function, and (ii) one or more unprotected lubricating oil additives having a second performance function, as a minor component. The first performance function and the second performance function are the same. The one or more protected lubricating oil additives are inactive with respect to their performance function. The one or more protected lubricating oil additives are converted into one or more unprotected lubricating oil additives in the lubricating oil in-service in an engine or other mechanical component. A method for controlled release of one or more lubricating oil additives into a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives.