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:
Apr. 29, 2025
Filed:
Feb. 28, 2020
Applicants:
Shionogi & Co., Ltd., Osaka, JP;
Hiroshima Metal & Machinery Co., Ltd., Tokyo, JP;
Inventors:
Assignees:
SHIONOGI & CO., LTD., Osaka, JP;
HIROSHIMA METAL & MACHINERY CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2005.12); B02C 17/20 (2005.12); B82Y 5/00 (2010.12); B82Y 40/00 (2010.12);
U.S. Cl.
CPC ...
A61K 9/14 (2012.12); B02C 17/20 (2012.12); B82Y 5/00 (2012.12); B82Y 40/00 (2012.12);
Abstract
A method for the production of the present disclosure comprises: a) a step of agitating a mixture containing a material to be ground, beads and a dispersion medium in a bead mill; and b) a step of adjusting the pH of the mixture. This method reduces a contamination caused by grinding process using a bead mill.