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:
Feb. 23, 2021
Filed:
Jan. 18, 2018
Tosoh Corporation, Shunan, JP;
Arimitsu Takemoto, Shunan, JP;
Hiroshi Awano, Shunan, JP;
Hisao Eguchi, Shunan, JP;
Manabu Yanase, Shunan, JP;
TOSOH CORPORATION, Shunan, JP;
Abstract
To provide a friction-reducing agent containing no sulfur nor phosphorus and being excellent in friction-reducing properties, and a lubricating oil composition using it. An alkanolamine represented by the following formula is used as a friction-reducing agent: wherein Aand Aare each independently a hydroxy group or a hydrogen atom, provided that Aand Aare not hydrogen atoms at the same time, Ris a hydrocarbon group having at most 30 carbon atoms, Rto Rare each independently a hydrogen atom or a hydrocarbon group having at most 30 carbon atoms, and m and n are each independently an integer of from 0 to 10.