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:
Aug. 20, 2013
Filed:
Aug. 16, 2007
Fumio Yoneda, Matsubara, JP;
Fumiya Hamano, Matsubara, JP;
Eisaku Kitano, Matsubara, JP;
Tetsuya Hosono, Matsubara, JP;
Fumio Yoneda, Matsubara, JP;
Fumiya Hamano, Matsubara, JP;
Eisaku Kitano, Matsubara, JP;
Tetsuya Hosono, Matsubara, JP;
Fujimoto Co., Ltd., Osaka, JP;
Abstract
Sustained release micropellets showing a stable controlled-release of a drug without being affected by the changes in pH value etc., characterized by being produced by coating core particles with a layer containing a water-soluble drug and further forming a film layer containing a water-insoluble polymer compound and a plasticizer on the thus obtained particles, locating a water-soluble filler layer between the water soluble drug-containing layer and the film layer, and having an average particle size of 300 μm or less; medicinal compositions containing these micropellets; and a process for producing the same.