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. 29, 2025
Filed:
Apr. 29, 2022
Daikin Industries, Ltd., Osaka, JP;
Yuuki Suzuki, Osaka, JP;
Makoto Matsuura, Osaka, JP;
Akitoshi Ogata, Osaka, JP;
Atsushi Shirai, Osaka, JP;
Michiaki Okada, Osaka, JP;
Shiomi Ashida, Osaka, JP;
Yoshito Tanaka, Osaka, JP;
Yosuke Kishikawa, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
An object of the present disclosure is to provide a method for producing a fluorine-containing polymer and a composition containing the fluorine-containing polymer. The present disclosure provides a composition comprising (A) a fluorine-containing polymer comprising as a main component a structural unit containing a fluorine-containing aliphatic ring, and (B) an aprotic solvent, wherein the fluorine-containing aliphatic ring of the fluorine-containing polymer (A) contains one, two, or three etheric oxygen atoms as a ring-constituting atom; when the fluorine-containing aliphatic ring contains a plurality of etheric oxygen atoms, the etheric oxygen atoms are not adjacent to each other; and the fluorine-containing polymer (A) is present in an amount of 20 mass % or more based on the mass of the composition.