Preparation process of sustained release compositions and the co

Details Preparation process of sustained release compositions and the co Preparation process of sustained release compositions and the co

1991-07-23

1993-05-25

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424501, A61K 916

Patent

active

052138127

ABSTRACT:
The invention relates to a preparation process of particles designed to release an effective amount of active ingredient over a predetermined period of time, said particles comprising one ore more active ingredients in admixture with a bioresorbable and/or biodegradable polymer or copolymer, and the particles thus obtained in a substantially spheroidal form and substantially deprived of active ingredient on the external covering.

REFERENCES:
patent: 4010125 (1977-03-01), Schally et al.
patent: 4675189 (1987-06-01), Kent et al.
patent: 4767628 (1988-08-01), Hutchinson
patent: 4844910 (1989-04-01), Leslie
patent: 4867985 (1989-09-01), Heafield

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