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:
Nov. 20, 2018
Filed:
Jun. 21, 2017
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Susumu Saito, Chiyoda-ku, JP;
Wakako Hashimoto, Chiyoda-ku, JP;
Tetsuji Shimohira, Chiyoda-ku, JP;
Kazuo Hamazaki, Chiyoda-ku, JP;
Satoshi Otsugu, Chiyoda-ku, JP;
Hiroki Matoba, Chiyoda-ku, JP;
AGC Inc., Chiyoda-ku, JP;
Abstract
A method for producing particles of a fluorinated polymer (A) which has either one or both of structural units (u1) derived from tetrafluoroethylene and structural units (u2) having no sulfonic acid type functional group and having a cyclic structure and fluorine atoms, and which has structural units (u3) having a sulfonic acid type functional group, wherein the proportion of the structural units (u1) is from 0 to 82 mol % in all structural units in the fluorinated polymer (A), the method including: