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. 01, 2022
Filed:
Feb. 18, 2019
Applicant:
Kuraray Co., Ltd., Kurashiki, JP;
Inventors:
Yusuke Amano, Kurashiki, JP;
Yuki Tachibana, Kurashiki, JP;
Yuki Shimizu, Kurashiki, JP;
Kazuhiko Maekawa, Kurashiki, JP;
Assignee:
KURARAY CO., LTD., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 216/06 (2006.01);
U.S. Cl.
CPC ...
C08F 216/06 (2013.01); C08F 2500/24 (2013.01); C08F 2800/10 (2013.01);
Abstract
The invention relates to particles with an average particle size of 300 to 1000 μm, comprising a modified polyvinyl alcohol having vinyl alcohol units and structural units represented by formula (1), wherein a content of the vinyl alcohol units is 60 to 90 mol % based on the total structural units: