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:
Sep. 18, 2018
Filed:
Aug. 04, 2014
Kyodo Yushi Co., Ltd., Fujisawa-shi, Kanagawa, JP;
Denso Corporation, Kariya-shi, Aichi, JP;
Terasu Yoshinari, Chigasaki, JP;
Tomonobu Komoriya, Toyota, JP;
Iwaki Hirooka, Fujisawa, JP;
Masataka Muto, Kariya, JP;
Satoru Nakazawa, Kariya, JP;
Yoshinori Fukushima, Kariya, JP;
Shigeyuki Mori, Morioka, JP;
KYODO YUSHI CO., LTD., Fujisawa-Shi, Kanagawa, JP;
DENSO CORPORATION, Kariya-Shi, Aichi, JP;
Abstract
The invention provides a grease composition containing a base oil, a thickener, and an anti-flaking additive such as a compound represented by, for example, formula (1-1), which grease composition can prevent the white layer flaking of the rolling bearings. (In the formula, R1 and R4 are each independently a straight-chain or branched alkyl or alkenyl group having 1 to 20 carbon atoms.)