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. 24, 2017
Filed:
Jul. 10, 2012
Kumiko Kamata, Kanagawa, JP;
Ryuji Maruyama, Kanagawa, JP;
Noriaki Shinoda, Chester, JP;
Hiroyuki Tazaki, Kanagawa, JP;
Kumiko Kamata, Kanagawa, JP;
Ryuji Maruyama, Kanagawa, JP;
Noriaki Shinoda, Chester, JP;
Hiroyuki Tazaki, Kanagawa, JP;
SHELL OIL COMPANY, Houston, TX (US);
Abstract
Lubricating oil compositions are provided herein that comprise a mixture of: (A) a hydrocarbon as a low-viscosity constituent, (B) a polyalkylene glycol (PAG) as a high-viscosity constituent wherein the oxygen/carbon weight ratio is in the range of from 0.450 to 0.580, and (C) a compound as a control constituent wherein the oxygen/carbon weight ratio is in the range of from 0.080 to 0.350. Methods of lubricating a surface using such lubricating compositions are also provided herein.