Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Patent
1988-07-07
1989-11-14
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...
424448, A61F 1300
Patent
active
048806331
ABSTRACT:
A multilaminate transdermal drug delivery system containing only dissolved drug in the drug reservoir is described. The delivery system comprises a backing layer, a reservoir layer and a membrane layer, wherein the drug in the reservoir is completely dissolved and the control of delivery is effected by the joint action of reservoir and membrane.
REFERENCES:
patent: 3926188 (1975-12-01), Baker et al.
Loper Alice E.
Majumdar Anup K.
DiPrima Joseph E.
Horne Leon R.
Merck & Co. , Inc.
Page Thurman K.
Robertson Alice O.
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