Patent · US Expired

Pharmaceutical preparations and a method of manufacturing them

US4702918A · kind A · utility

31Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 1985
Grant dateOct 27, 1987
Priority date
Expiry dateAug 2, 2005

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/4866
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A sustained-release composition, which comprises (a) a substance which forms a gel in water, (b) a fat and/or oil which is solid at room temperature and (c) a pharmaceutical, said composition having a specific gravity of not more than about 1.

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