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:
May. 30, 2023
Filed:
Aug. 28, 2019
Showa Denko K.k., Tokyo, JP;
Daisuke Yagyu, Ichihara, JP;
Naoya Fukumoto, Ichihara, JP;
Tsuyoshi Kato, Ichihara, JP;
Katsumi Murofushi, Ichihara, JP;
SHOWA DENKO K.K., Tokyo, JP;
Abstract
The fluorine-containing ether compound is represented by the following formula (1): R—R—CH—R—CH—R. In the formula (1), Ris represented by the following formula (2), Ris represented by the following formula (3), Ris a perfluoropolyether chain, and Ris an organic end group different from R—R— and contains two or three polar groups, wherein each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to one another via a linking group containing a carbon atom to which the polar group is not bonded. In the formula (2), r is 1 to 3. In the formula (3), w is 2 or 3.