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:
Sep. 26, 2019
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventor:
Tokue Sato, Ichihara, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 105/42 (2006.01); C10M 107/34 (2006.01); C10M 133/12 (2006.01); C10M 135/10 (2006.01); C10N 10/04 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C10M 105/42 (2013.01); C10M 107/34 (2013.01); C10M 133/12 (2013.01); C10M 135/10 (2013.01); C10M 2209/1055 (2013.01); C10M 2215/065 (2013.01); C10M 2219/044 (2013.01); C10N 2010/04 (2013.01); C10N 2030/10 (2013.01); C10N 2030/12 (2013.01); C10N 2040/30 (2013.01);
Abstract
Provided is a lubricating oil composition for air compressors containing a polyalkylene glycol-containing base oil (A) and a rust-preventive agent (B), wherein the content of the polyalkylene glycol is 65.0% by mass or more based on the total amount of the composition. The lubricating oil composition is excellent in oxidation stability and also in rust prevention and storage stability. Also provided are an air compressor lubricating method and an air compressor using the lubricating oil composition.