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:
Nov. 27, 2012
Filed:
Oct. 08, 2004
Applicants:
Hideto Kamimura, Ichihara, JP;
Shigeyuki Mori, Morioka, JP;
Inventors:
Hideto Kamimura, Ichihara, JP;
Shigeyuki Mori, Morioka, JP;
Assignees:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 317/22 (2006.01); C10M 141/10 (2006.01); C10M 133/06 (2006.01); C07D 207/26 (2006.01); C07D 233/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a lube oil which exhibits low vapor pressure despite having low viscosity, is non-flammable, exhibits excellent heat resistance, has tribological characteristics equivalent to those of conventional hydrocarbon-based lube oils, and can be used for a long time under very severe conditions such as high temperature and vacuum. The lube oil contains, as a base oil, an ionic liquid formed of a cation and an anion and having an ion concentration of 1 mol/dmor more.