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. 21, 2025
Filed:
Aug. 11, 2020
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventors:
Daichi Kawamura, Osaka, JP;
Takayuki Akamine, Osaka, JP;
Saori Tone, Osaka, JP;
Yuuta Nakamura, Osaka, JP;
Izumi Matsumoto, Osaka, JP;
Kazushi Itou, Osaka, JP;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 47/14 (2017.01); A61K 8/37 (2006.01); A61K 8/42 (2006.01); A61K 9/00 (2006.01); A61K 9/06 (2006.01); A61K 9/10 (2006.01); A61K 9/70 (2006.01); A61K 47/18 (2017.01); A61K 47/26 (2006.01); A61Q 19/00 (2006.01);
U.S. Cl.
CPC ...
A61K 47/14 (2013.01); A61K 8/37 (2013.01); A61K 8/42 (2013.01); A61K 9/0092 (2013.01); A61K 9/06 (2013.01); A61K 9/10 (2013.01); A61K 9/70 (2013.01); A61K 47/18 (2013.01); A61K 47/26 (2013.01); A61Q 19/00 (2013.01); A61K 9/0031 (2013.01); A61K 9/0043 (2013.01);
Abstract
Provided is a core-shell structure having an excellent immediate effect in transdermal absorption of an active ingredient. A core-shell structure comprising a core portion containing an active ingredient, and a shell portion containing a surfactant having an HLB value of 4 to 14, the core portion being solid, and the surfactant containing a saturated hydrocarbon group having 7 to 15 carbon atoms or an unsaturated hydrocarbon group having 7 to 17 carbon atoms.