Occlusive, elastomeric backing materials in transdermal drug del

Details Occlusive, elastomeric backing materials in transdermal drug del Occlusive, elastomeric backing materials in transdermal drug del

1992-04-08

1993-09-21

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...

424447, 424449, 428343, 428355, 602 52, 602 54, 602 57, 602 58, A61F 1302

Patent

active

052467058

ABSTRACT:
Improved transdermal drug delivery systems are provided which contain an occlusive, elastomeric backing layer which is preferably liquid-resistant. The systems contain as a backing layer a single homogeneous sheet of an elastomeric material having a moisture vapor transmission rate ("MVTR") in the range of about 0.1 to 20 g/m.sup.2 /hr and a Young's modulus in the range of about 10.sup.4 to 10.sup.9 dynes/cm.sup.2. Methods for making and using transdermal drug delivery devices containing such backing layers are provided as well.

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