Patent · US Expired

Granular pharmaceutical formulations

US5489439A · kind A · utility

43Cited by
4References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 19, 1993
Grant dateFeb 6, 1996
Priority date
Expiry dateOct 19, 2013

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/2095
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A process for the preparation of a granule comprising a pharmaceutical which process comprises contacting a particulate, spray-dried substrate and a particulate pharmaceutical to obtain a particle comprising a substrate core carrying an adsorbed pharmaceutical and contacting the particle with a particulate pharmaceutical and a melted or thermally softened pharmaceutically acceptable excipient which is solid at room temperature to obtain, after cooling to solidify or harden the excipient, a granule comprising a spray-dried substrate core carrying pharmaceutically acceptable excipient and pharmaceutical.

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