Sustained release compositions

Details Sustained release compositions Sustained release compositions

1985-10-28

1988-03-29

Griffin, Ronald W.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424469, 424470, 514781, 514965, A61K 922, A61K 4700

Patent

active

047342854

ABSTRACT:
The release of an active composition from a solid tablet can be delayed by employing a fine particle sized hydroxypropyl methylcellulose ether composition.

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patent: 4269859 (1981-05-01), Morse
patent: 4369172 (1983-01-01), Schor et al.
patent: 4389393 (1983-06-01), Schor et al.
patent: 4477657 (1984-10-01), Strange et al.
patent: 4528125 (1985-07-01), Alderman et al.
patent: 4540566 (1985-09-01), Davis et al.
patent: 4571333 (1986-02-01), Hsiao et al.
Solomon, "Importance of the Technology and Formulation on the Mechanism of Potassium Chloride Release, When Contained in a Hydrophilic Matrix"; 54, Pharmaceutical Acta Helvetica, pp. 86-89 (1979).

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