Patent · US Expired

Granular Compositions

US5891473A · kind A · utility

21Cited by
3References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 9, 1997
Grant dateApr 6, 1999
Priority date
Expiry dateJul 9, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K47/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Granular composition comprising 45 to 98% w/w of a water insoluble particulate, whereby 10 to 75% of the water insoluble particulate is made from a water insoluble particulate material, having a weight mean particle size of less than 20 microns and oil absorption capacity of 60 to 180 g/100 g and 10 to 75% of the water insoluble particulate is made from a water insoluble particulate material, having a weight mean particle size of below 20 microns and an oil absorption 200 to 350 g/100 g, the granular composition having a particle size, by sieve analysis, of 95% below 600 microns and 90% above 40 microns.

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