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:
Oct. 18, 2011
Filed:
Mar. 24, 2005
Akio Sugihara, Yaizu, JP;
Takehiko Yasuji, Yaizu, JP;
Katsuhiro Masaki, Yaizu, JP;
Daisuke Murayama, Yaizu, JP;
Akio Sugihara, Yaizu, JP;
Takehiko Yasuji, Yaizu, JP;
Katsuhiro Masaki, Yaizu, JP;
Daisuke Murayama, Yaizu, JP;
Astellas Pharma Inc., Tokyo, JP;
Abstract
A solid pharmaceutical preparation of solifenacin or a salt thereof, the preparation being stable and inhibited from decomposing with time when supplied to clinical fields. In a pharmaceutical preparation containing solifenacin or a salt thereof, the compound in an amorphous form was revealed to be causative of cardinal-drug decomposition with time. The composition for a solid pharmaceutical preparation of solifenacin or a salt thereof contains solifenacin or its salt each in a crystalline from, and the content provided are: a process for producing the composition; and a medicinal composition for solid pharmaceutical preparations which contains solifenacin and an amorphization inhibitor.