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:
Jan. 20, 2026
Filed:
Aug. 31, 2022
Resonac Corporation, Tokyo, JP;
Yutaka Tanji, Tokyo, JP;
Tsuyoshi Kato, Tokyo, JP;
Daisuke Yagyu, Tokyo, JP;
Natsumi Yoshimura, Tokyo, JP;
Takuma Kuroda, Tokyo, JP;
Chizuru Kasahara, Tokyo, JP;
Naoya Fukumoto, Tokyo, JP;
Ayano Asano, Tokyo, JP;
Resonac Corporation, Tokyo, JP;
Abstract
There is provided a fluorine-containing ether compound represented by the following formula: R—R—CH—R[—CH—R—CHR]—CH—R—R(n is 1 or 2; Rand Rare a perfluoropolyether chain; Ris a divalent linking group having one polar group; Rand Rare a divalent linking group having one or more polar groups; Rhas an oxygen atom at an end that is bonded to R; Rhas an oxygen atom at an end that is bonded to R; Rand Rin end group bonded to an oxygen atom at an end of Ror R; and Rand Rare an organic group having 1 to 50 carbon atoms, and at least one of them is a group in which a carbonyl carbon atom or nitrogen atom constituting an amide bond is bonded to a carbon atom of an organic group having 1 to 8 carbon atoms).