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:
May. 28, 2019
Filed:
May. 27, 2016
Applicant:
Kao Corporation, Tokyo, JP;
Inventors:
Shinobu Hiramatsu, Wakayama, JP;
Katsutake Uehiro, Wakayama, JP;
Masanori Orita, Chiba, JP;
Kimikazu Fukuda, Wakayama, JP;
Assignee:
KAO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/04 (2006.01); A61Q 19/00 (2006.01); A61Q 17/04 (2006.01); B01J 13/00 (2006.01); A61K 8/73 (2006.01); A61K 8/02 (2006.01);
U.S. Cl.
CPC ...
A61K 8/042 (2013.01); A61K 8/0216 (2013.01); A61K 8/0241 (2013.01); A61K 8/73 (2013.01); A61Q 17/04 (2013.01); A61Q 19/00 (2013.01); B01J 13/0065 (2013.01); A61K 2800/10 (2013.01);
Abstract
Disclosed herein is a method for producing hydrogel particles including the steps of: solidifying an aqueous solution in which a gel agent forming a non-crosslinked hydrogel is dissolved and which has a gel point of 30° C. or more by putting the aqueous solution into a liquid phase having a temperature of equal to or lower than the gel point; and crushing a solidified product obtained by solidifying the aqueous solution in which the gel agent is dissolved.