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. 23, 2022
Filed:
Dec. 17, 2019
Applicant:
New Japan Chemical Co., Ltd., Kyoto, JP;
Inventors:
Assignee:
NEW JAPAN CHEMICAL CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 105/34 (2006.01); C07C 69/24 (2006.01); C10M 129/14 (2006.01); C10M 133/12 (2006.01); C10M 141/06 (2006.01); C10N 30/10 (2006.01); C10N 40/02 (2006.01);
U.S. Cl.
CPC ...
C10M 105/34 (2013.01); C07C 69/24 (2013.01); C10M 129/14 (2013.01); C10M 133/12 (2013.01); C10M 141/06 (2013.01); C10M 2207/024 (2013.01); C10M 2207/2815 (2013.01); C10M 2215/26 (2013.01); C10N 2030/10 (2013.01); C10N 2040/02 (2013.01);
Abstract
An object of the present invention is to provide an ester-based lubricating base oil for a fluid bearing that has a high viscosity index and excellent evaporation resistance, hydrolytic stability, and low-temperature fluidity. The present invention relates to a lubricating base oil for a fluid bearing containing a compound represented by general formula (1): wherein Rrepresents a linear C-Calkyl group, m represents an integer of 2 to 10, and n represents an integer of 4 to 14.