Mucoadhesive buccal dosage forms

Details Mucoadhesive buccal dosage forms Mucoadhesive buccal dosage forms

1988-03-30

1990-02-13

Swisher, Nancy

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

424435, A61F 702

Patent

active

049005529

ABSTRACT:
A trilaminate film suitable for prolonged and sustained delivery of an active ingredient in a buccal cavity is disclosed. A hydratable mucoadhesive base layer, a non-adhesive reservoir layer and a water-impermeable carrier film sandwiched between and bonded to the base layer and the reservoir layer are the elements which form the trilaminate film.

REFERENCES:
patent: 307537 (1884-11-01), Foulks
patent: 3598122 (1971-08-01), Zaffaroni

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