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:
Mar. 01, 2022
Filed:
Aug. 23, 2018
Showa Denko K.k., Tokyo, JP;
Tsuyoshi Kato, Ichihara, JP;
Daisuke Yagyu, Ichihara, JP;
Naoya Fukumoto, Ichihara, JP;
Masaki Nanko, Ichihara, JP;
Masumi Kuritani, Tokyo, JP;
Katsumi Murofushi, Ichihara, JP;
SHOWA DENKO K.K., Tokyo, JP;
Abstract
A fluorine-containing ether compound represented by R—R—CH—R—CH—R—Ris provided. (Ris a perfluoropolyether chain; Rand Rare each independently any one of an alkyl group that may have a substituent, an organic group having at least one double bond or at least one triple bond, and a hydrogen atom; and —R—CH—Ris represented by Formula (2), and R—CH—R— is represented by Formula (3))-[A]-[B]—O—CH—R  (2)R—CH—O—[C]-[D]-  (3)([A] is represented by Formula (4), [B] is represented by Formula (5), [C] is represented by Formula (6), [D] is represented by Formula (7), and in the formula, a and b are integers of 0 to 2, c is an integer of 2 to 5, d and f are integers of 0 to 2, and e is an integer of 2 to 5, and at least one of b and d in the formula is 1 or more)