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:
Jun. 02, 2015
Filed:
Sep. 09, 2011
Motohiro Ito, Mie, JP;
Yoji Sato, Mie, JP;
Hidenobu Mikami, Mie, JP;
NTN CORPORATION, Osaka, JP;
Abstract
The present invention provides a grease composition having an excellent fretting wear resistance in a wide temperature region from low to high temperatures and particularly even at low temperatures and a rolling bearing in which the grease composition is packed. A grease composition () is packed inside a grease-packed bearing (). The grease composition () contains base oil, a thickener, and an additive. The additive contains at least, one kind selected from among a phosphite ester of formula (1) or a phosphite ester of formula (2):
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile