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:
Mar. 16, 2022
Daikin Fluorochemicals (China) Co., Ltd., Jiangsu, CN;
Daikin Industries, Ltd., Osaka, JP;
DAIKIN FLUOROCHEMICALS (CHINA) CO., LTD., Jiangsu, CN;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A modified polymer including (a) a main chain containing a fluorine-containing polymer and (b) a side chain represented by the following formula (b1') and/or a side chain represented by the following formula (b2′). The formula (b1′) is —CH—CR(—X)—C(═O)—Y—Z—Rf, wherein X is a hydrogen atom, a methyl group, or a halogen atom; Y is —O— or —NH—; Z is a direct bond or a divalent organic group; Rf is a C1-C20 fluoroalkyl group; and Ris a hydrogen atom or a monovalent organic group. The formula (b2′) is —CH—CR(—R)—C(═O)—O—Si(—CH)—[O—Si(—CH)]—O—Si(—CH)—R, wherein Ris a hydrogen atom or a methyl group; Ris a hydrogen atom or a methyl group; Ris a hydrogen atom or a monovalent organic group; and n is 3 to 200.