Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Patent
1986-03-12
1989-01-10
Lesmes, Gerorge F.
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
047972840
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.
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Loper Alice E.
Majumdar Anup K.
Horne L. R.
Lesmes Gerorge F.
Merck & Co. , Inc.
Robertson Alice O.
Sudol Michael C.
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