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:
Dec. 30, 2025
Filed:
May. 18, 2021
Applicants:
Tatsuru Moritani, Tokyo, JP;
Shizuoka Prefectural University Corporation, Shizuoka, JP;
Inventors:
Assignees:
Ricoh Company, Ltd., Tokyo, JP;
SHIZUOKA PREFECTURAL UNIVERSITY CORPORATION, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/00 (2006.01); A61K 9/16 (2006.01); A61K 9/50 (2006.01); A61K 9/51 (2006.01); A61K 38/13 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0075 (2013.01); A61K 9/1617 (2013.01); A61K 9/5089 (2013.01); A61K 9/5123 (2013.01); A61K 38/13 (2013.01);
Abstract
A particle includes at least one or more kinds of substrate and lipid nanoparticles. The lipid nanoparticles are dispersed in the substrate and contain a physiologically active substance. The lipid nanoparticles are one or more kinds selected from liposomes, lipid emulsions, and solid lipid nanoparticles. A corresponding powder inhalant contains the particle. A production method for the particle includes granulating and drying, in which a suspension containing the substrate and the lipid nanoparticles are granulated and dried in a gas medium.