Fluidized Bed Utilized Patents and Patent Applications (Class 427/2.15) - Justia Patents Search

Fluidized Bed Utilized Patents (Class 427/2.15)

Retarded or controlled-release layer produced (e.g., enteric) (Class 427/2.16)

Significant color or other intended appearance altering layer formed (e.g., shining, indicia) (Class 427/2.17)

Spherical single-substance particles, medicines and foodstuffs containing the particles, and method of production thereof

Patent number: 6264989

Abstract: The present invention relates to a process for producing a spherical particle comprising an aggregate of particles containing at least 95% of a water-soluble single substance having a viscosity of 10 mPa.

Type: Grant

Filed: January 24, 2000

Date of Patent: July 24, 2001

Assignees: Freund Industrial Co., Ltd., Shionogi & Co., Ltd.

Inventors: Hisayoshi Kato, Nagayoshi Myo, Ikuo Tanai, Yusuke Suzuki, Toshiro Fujii, Yoshitaka Tomoda

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