Sustained release formulations

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills

Patent

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Details

424468, 424469, 424470, A61K 922, A61K 926, A61K 936

Patent

active

048512338

ABSTRACT:
A new drug delivery system, which gives sustained release properties is made by combining certain cellulosic polymers with cellulose in a binder system.

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patent: 4555399 (1985-11-01), Hsiao
patent: 4610870 (1986-09-01), Jain et al.
patent: 4792452 (1988-12-01), Howard et al.

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