Patent · US Expired

Spherical granule, production method thereof and medicinal preparation using said granule

US5618562A · kind A · utility

6Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 17, 1995
Grant dateApr 8, 1997
Priority date
Expiry dateOct 17, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC13K5/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The spherical granules useful as a precipient for medicines and foods, and a production method thereof. A spherical granule comprises 95% by weight or more of lactose, and has a long diameter/short diameter ratio of 1.2 or less, and, when aggregated, a bulk density of 0.7 g/ml or more and an angle of repose of 35.degree. or less. The spherical granule is produced by feeding lactose particles into a granulating and coating apparatus equipped with a horizontal rotary disk having a smooth surface to contact with the granules, and by spraying lactose solution while the above-mentioned rotary disk is rotated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.