Expandable pharmaceutical forms

Details Expandable pharmaceutical forms Expandable pharmaceutical forms

1995-02-21

1997-07-29

Kulkosky, Peter F.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424466, 424487, A61K 926, A61K 958

Patent

active

056519850

ABSTRACT:
The present invention relates to administration forms having an extended gastric residence time, in the preparation of which mixtures of polymers containing lactam groups and polymers containing carboxyl groups are used, and which are distinguished both by marked swelling properties and by high dimensional stability in the swollen state.

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