Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Patent
1989-07-28
1991-07-16
Page, Thurman
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Web, sheet or filament bases; compositions of bandages; or...
424449, 424443, 424444, 424 78, 514946, 514947, A61F 1302, A61L 1506
Patent
active
050324039
ABSTRACT:
The invention relates to a transdermal therapeutic system in the form of a multilayer plaster for the administration of active substances which are able to permeate, in the form of a matrix system containing at least three layers:
REFERENCES:
patent: 4440770 (1984-04-01), Mochida et al.
patent: 4560553 (1985-12-01), Zupan
patent: 4623346 (1986-11-01), von Bittera et al.
patent: 4627852 (1986-12-01), von Bittera et al.
patent: 4668232 (1987-05-01), Cordes
patent: 4699792 (1987-10-01), Nick et al.
patent: 4776850 (1988-10-01), Guse et al.
Ciba-Geigy Corporation
Fishman Irving M.
Page Thurman
Spear James M.
Villamizar JoAnn
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