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:
Oct. 13, 2020
Filed:
Jul. 31, 2017
Showa Denko K.k., Tokyo, JP;
Naoya Fukumoto, Tokyo, JP;
Daisuke Yagyu, Tokyo, JP;
Yuta Yamaguchi, Tokyo, JP;
Shoko Uetake, Tokyo, JP;
Tsuyoshi Kato, Tokyo, JP;
Hiroyuki Tomita, Tokyo, JP;
Ryuta Miyasaka, Tokyo, JP;
Katsumi Murofushi, Tokyo, JP;
SHOWA DENKO K.K., Minato-ku, Tokyo, JP;
Abstract
A fluorine-containing ether compound of the present invention is represented by Formula (1).R—CH—R—CH—R  (1) (In Formula (1), Ris an organic end group having 3 or more carbon atoms which includes two or more polar groups with each polar group being bonded to different carbon atoms and the carbon atoms to which the polar groups are bonded being bonded to each other via a linking group including the carbon atoms which are not bonded to the polar groups, Rincludes a perfluoropolyether chain represented by Formula (3), and Ris a hydroxyl group or R)—(CF)—O—((CF)O)—(CF)—  (3) (In Formula (3), y represents an integer of 2 to 4, and z represents an integer of 1 to 30).