Hydrophilic polymer granules for uniform release of active princ

Details Hydrophilic polymer granules for uniform release of active princ Hydrophilic polymer granules for uniform release of active princ

1988-12-13

1992-08-18

Lee, Lester L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

424405, 424409, 424489, 71DIG1, A61K 3174, A01N 2500, A01N 2508

Patent

active

051397749

ABSTRACT:
Granules prepared by absorbing on hydrophilic polymer granules an aqueous emulsion of at least one active principle and drying the resulting mixture to obtain granules which release the active principle in uniform manner.

REFERENCES:
patent: 3329702 (1967-07-01), Rohr
patent: 3849105 (1974-11-01), Woods
patent: 4134725 (1979-01-01), Buchel et al.
patent: 4144050 (1979-03-01), Frensch et al.
patent: 4343790 (1982-08-01), Pasarela
patent: 4360376 (1982-11-01), Koestler
patent: 4440746 (1984-04-01), Maglio
patent: 4470966 (1984-09-01), Costanza et al.

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