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:
Apr. 01, 2025
Filed:
Mar. 31, 2022
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/06 (2006.01); C10N 20/02 (2006.01); C10N 20/06 (2006.01); C10N 30/06 (2006.01); C10N 50/10 (2006.01);
U.S. Cl.
CPC ...
C10M 169/06 (2013.01); C10M 2215/30 (2013.01); C10M 2217/0456 (2013.01); C10N 2020/02 (2013.01); C10N 2020/06 (2013.01); C10N 2030/06 (2013.01); C10N 2050/10 (2013.01);
Abstract
A grease composition, containing a base oil (A), a urea-based thickener (B), and melamine cyanurate (C). Particles containing the urea-based thickener (B) in the grease composition satisfy the following requirement (I): the particles have an area-based arithmetic average particle diameter of 2.0 μm or less, as measured by a laser diffraction/scattering method.