Patent · US Expired

Sustained-release particulate preparation and process for preparing the same

US4853226A · kind A · utility

80Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1987
Grant dateAug 1, 1989
Priority date—
Expiry dateOct 7, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/1694
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A sustained-release particulate preparation having a controlled releasing rate of a pharmacologically active agent contained therein in the living body, and a process for preparing the preparation are disclosed. The preparation comprises a polymeric compound which is capable of being degraded in the living body and which is compatible with living tissue, a pharmacologically active agent, and a natural high molecular weight compound of sugar origin or a derivative thereof. The preparation has fine and uniform particle size and can be administered subcutaneously or intramuscalarly for obtaining a long-lasting pharmacological activity.

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