Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Patent
1990-10-29
1992-06-16
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, 424448, A61F 1340
Patent
active
051223821
ABSTRACT:
The present invention provides compositions and methods for the transdermal administration of a contraceptively effective amount of a synthetic 19-nor-progesterone (ST-1435) and an estrogen, in combination, together with a suitable permeation enhancer.
REFERENCES:
patent: 3800038 (1974-03-01), Rudel
patent: 4816258 (1989-03-01), Nedberge et al.
patent: 4913905 (1990-04-01), Fankhauser et al.
Atkinson Linda E.
Gale Robert M.
Nedberge Diane E.
ALZA Corporation
Horne Leon R.
Larson Jacqueline S.
Mandell Edward L.
Page Thurman K.
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