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:
Jan. 18, 2011
Filed:
Sep. 10, 2004
Shunsuke Watanabe, Shizuoka, JP;
Shigeo Takemura, Shizuoka, JP;
Yuuki Tsutsui, Shizuoka, JP;
Himoru Kondo, Shizuoka, JP;
Kiyo Nakanishi, Shizuoka, JP;
Kazuhiro Sako, Shizuoka, JP;
Toyohiro Sawada, Shizuoka, JP;
Shunsuke Watanabe, Shizuoka, JP;
Shigeo Takemura, Shizuoka, JP;
Yuuki Tsutsui, Shizuoka, JP;
Himoru Kondo, Shizuoka, JP;
Kiyo Nakanishi, Shizuoka, JP;
Kazuhiro Sako, Shizuoka, JP;
Toyohiro Sawada, Shizuoka, JP;
Astellas Pharma Inc., Tokyo, JP;
Abstract
The present invention presents a pharmaceutical composition for oral use with improved absorption, which comprises drug, aminoalkyl methacrylate copolymer E, and acidic substance and is obtained by bringing said 3 components together and uniformly mixing at least this polymer and this acidic substance, and a method of improving oral absorption/by using this pharmaceutical composition. Moreover, the present invention presents an agent for improving oral absorption that increases drug permeability of the digestive tract mucous membrane and/or mucous layer present on the surface of this membrane, whose active ingredient is aminoalkyl methacrylate copolymer E. In addition, the present invention presents an oral agent for improving absorption by increasing drug permeability of the digestive tract mucous membrane and/or the mucous layer distributed over this mucous membrane, whose effective component is aminoalkyl methacrylate copolymer E.