Ranitidine solid dosage form

Details Ranitidine solid dosage form Ranitidine solid dosage form

1994-02-22

1995-04-18

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424473, 514926, A61K 924

Patent

active

054076870

ABSTRACT:
The present invention comprises a bi-layer, pharmaceutical tablet having one layer formulated for the immediate release (IR) of ranitidine and a second layer formulated for sustained release (SR) of ranitidine with the ratio of ranitidine in the IR layer to that in the SR in the range of from about 30:70 to about 60:40.

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patent: 4946685 (1990-08-01), Edgren et al.
patent: 5028432 (1991-07-01), Chopra et al.
patent: 5055306 (1991-10-01), Barry et al.
patent: 5068249 (1991-11-01), Long
patent: 5102665 (1992-04-01), Schaeffer

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