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. 14, 2025
Filed:
Mar. 12, 2020
Applicant:
Riken, Saitama, JP;
Inventors:
Hiroyoshi Aoki, Saitama, JP;
Yutaka Yamagata, Saitama, JP;
Moriya Ohkuma, Saitama, JP;
Masahiro Yuki, Saitama, JP;
Assignee:
RIKEN, Saitama, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/50 (2006.01); A61K 31/711 (2006.01); A61K 35/66 (2015.01);
U.S. Cl.
CPC ...
A61K 9/5036 (2013.01); A61K 9/5089 (2013.01); A61K 31/711 (2013.01); A61K 35/66 (2013.01);
Abstract
A method for producing a capsule, including cooling a suspension so as to gel a thermoresponsive polymer including a coreformed from a gel of an ionically-bonded polymer and form a shell () of a hydrogel, the suspension being obtained by suspending, in oil (), a sol () of the thermoresponsive polymer, and then using a chelating agent to solate the core so as to hollow out the inside.