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.

Date of Patent:
Feb. 17, 2004

Filed:

Apr. 26, 2001
Applicant:
Inventors:

Takashi Ishibashi, Sakai, JP;

Keigo Nagao, Kawanishi, JP;

Kengo Ikegami, Nishinomiya, JP;

Hiroyuki Yoshino, Suita, JP;

Masakazu Mizobe, Takatsuki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/16 ; A61K 9/14 ; A61K 9/10 ; A61K 9/20 ; A61J 3/06 ;
U.S. Cl.
CPC ...
A61K 9/16 ; A61K 9/14 ; A61K 9/10 ; A61K 9/20 ; A61J 3/06 ;
Abstract

The present invention discloses an efficient preparation method of spherical fine particles containing a drug for an easily-swallowed, controlled-release preparation comprising the production of drug-containing spherical fine particles (mean particle size: 60-200 &mgr;m) by adding a binder solution to a mixture containing an excipient powder having the property of retaining solvent (and preferably having a mean length of the long axis of 40 &mgr;m or less) and a drug powder (preferably having a mean length of the long axis of 50 &mgr;m or less), followed by high-speed mixing granulation.


Find Patent Forward Citations

Loading…