Sustained release dosage form

Details Sustained release dosage form Sustained release dosage form

1989-10-02

1993-03-23

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

424435, 424473, A61K 924

Patent

active

051962020

ABSTRACT:
A drug reservoir containing an active substance such as a drug is formed on an adhesive layer which can adhere to an oral mucosal membrane. A polymer, which does not dissolve with saliva, is further coated on the drug reservoir as a drug release controlling layer to form an entire oral cavity sustained release dosage form. A drug impermeable layer can be formed between the adhesive layer and the drug reservoir.

REFERENCES:
patent: 3598122 (1971-08-01), Zaffaroni
patent: 4713243 (1987-12-01), Schiraldi et al.
patent: 4740365 (1988-04-01), Yukimatsu et al.
patent: 4876092 (1989-10-01), Mizobuchi et al.
patent: 4900552 (1990-02-01), Sanvordecker et al.

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