Preparation of microparticles for controlled release of water-so

Details Preparation of microparticles for controlled release of water-so Preparation of microparticles for controlled release of water-so

1993-06-17

1995-12-26

Lovering, Richard D.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

424 125, 424 133, 424462, 424486, 424497, 42721336, 42840221, 514963, A61K 958, A61K 950, B01J 1304

Patent

active

054785642

ABSTRACT:
The subject of the present invention is a process for preparing microparticles of the microsphere type of a water-soluble substance and a biocompatible and biodegradable polymer controlling the kinetics of release of the said substance consisting of a matrix of the said polymer within which the said water-soluble substance is regularly dispersed, characterized in that

REFERENCES:
patent: 3887538 (1975-06-01), Shields et al.
patent: 4384975 (1983-05-01), Fong
patent: 4492720 (1985-01-01), Mosier
patent: 4637905 (1987-01-01), Gardner
patent: 4711782 (1987-12-01), Okada et al.
patent: 4863970 (1989-09-01), Patel et al.
patent: 5100669 (1992-03-01), Hyon et al.
patent: 5232707 (1993-08-01), Lokensgard

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