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. 10, 2023
Filed:
Nov. 30, 2020
Applicant:
Sekisui Plastics Co., Ltd., Osaka, JP;
Inventors:
Kaori Kuwagaki, Nara, JP;
Akiyoshi Kusaka, Nara, JP;
Assignee:
SEKISUI PLASTICS CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/28 (2006.01); C08J 3/14 (2006.01);
U.S. Cl.
CPC ...
C08J 9/28 (2013.01); C08J 3/14 (2013.01); C08J 2329/00 (2013.01);
Abstract
A manufacturing method for porous resin microparticles comprising steps of: heating a polyester thermoplastic resin having biodegradability to a temperature of 80° C. or higher and 200° C. or lower in a glycol ether solvent to obtain a solution, and cooling the solution to precipitate the polyester thermoplastic resin as porous resin microparticles.