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:
Nov. 04, 2025
Filed:
Feb. 08, 2021
Sawai Pharmaceutical Co., Ltd., Osaka, JP;
Wataru Izui, Osaka, JP;
Kenji Nozawa, Osaka, JP;
Hiroyuki Yamamoto, Osaka, JP;
Ryota Kimata, Osaka, JP;
Naoki Yoshihara, Osaka, JP;
SAWAI PHARMACEUTICAL Co., Ltd., Osaka, JP;
Abstract
A method for producing granules containing a core particle by using a general granulation method is provided. Granules containing a core particle produced by the method are provided. In addition, a pharmaceutical composition and preparation containing the granules containing the core particle are provided. The granulation method according to an embodiment of the present invention granulates by spraying granulation liquid having a mist diameter (D) not more than the particle size (D) of the core particle on a mixture containing a drug substance and a core particle. The granulation liquid may be water. The particle size of the core particle (D) may be larger than the particle size (D) of the drug substance.