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. 30, 2012
Filed:
Jun. 04, 2008
Masayuki Kakizawa, Tokyo, JP;
Hidetoshi Tomiyama, Tokyo, JP;
Masayuki Kakizawa, Tokyo, JP;
Hidetoshi Tomiyama, Tokyo, JP;
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Abstract
It is an object of the present invention to provide a fine core particle, which comprises a coating layer having a uniform thickness, and which can be used to produce, at a high yield, a small granule causing no sandy feeling in the oral cavity when the fine core particle is applied to a fine granule or an orally-disintegrating tablet. According to the present invention, there is provided a core particle, which comprises 50% by mass or more of microcrystalline cellulose, and which has a mean particle diameter of less than 100 μm, a relative flow index of 7.0 to 30.0, a specific surface area of less than 0.15 m/g, and a tapped bulk density of 0.80 g/mL or more.