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. 05, 2022
Filed:
Feb. 20, 2017
Applicant:
Showa Denko K.k., Tokyo, JP;
Inventors:
Yuta Yamaguchi, Tokyo, JP;
Naoya Fukumoto, Tokyo, JP;
Naoko Ito, Tokyo, JP;
Hiroyuki Tomita, Tokyo, JP;
Ichiro Ota, Tokyo, JP;
Katsumi Murofushi, Tokyo, JP;
Assignee:
SHOWA DENKO K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 105/54 (2006.01); C07C 43/13 (2006.01); G11B 5/725 (2006.01); C10N 40/18 (2006.01);
U.S. Cl.
CPC ...
C10M 105/54 (2013.01); C07C 43/137 (2013.01); G11B 5/725 (2013.01); C10M 2211/0425 (2013.01); C10N 2040/18 (2013.01);
Abstract
A fluorine-containing ether compound represented by a formula (1) shown below.R—CH—R—CH—R—CH—R—CH—R—CH—R—CH—R  (1) In formula (1), Rand Rrepresent the same or different perfluoropolyether chains, Rrepresents a linking group containing at least one polar group, one or both of Rand Rrepresent a terminal group containing two or more polar groups, and Rand Rare different.