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. 03, 2015
Filed:
May. 18, 2012
Kazufumi Omura, Minami-ashigara, JP;
Kazufumi Omura, Minami-ashigara, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An aspect of the present invention relates to a method of manufacturing a vinyl polymer, which comprises: mixing a first liquid and a second liquid to conduct an addition reaction, wherein the first liquid has been obtained by reacting a sulfonic acid group-containing compound selected from the group consisting of taurine, N-methyl taurine, and meta-aminobenzenesulfonic acid with an alkali metal hydroxide in methanol, the second liquid comprises a vinyl polymer having an intramolecular epoxy group in a ketone solvent, and the addition reaction incorporates a sulfonic acid alkali metal salt group onto a side chain of the vinyl polymer.