Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1981-03-16
1983-03-29
Roberts, Elbert L.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
424239, A61K 3156
Patent
active
043783562
ABSTRACT:
The invention relates to a multiphase combination-type sequential preparation for oral contraception consisting of 20-22 tablets each containing a gestagen and an oestrogen wherein a first phase consists of 5-8 tablets, each of which contains a low dose of gestagen and a relatively high dose of oestrogen, a second phase of 5-8 tablets each having a gestagen dose which is greater than that during the first phase and an oestrogen dose which is smaller than that in the first phase, and a third phase of 5-11 tablets each of which has a gestagen dose equal to or greater than that during the second phase and an oestrogen dose equal to or less than that in the second phase, and to a method of oral contraception using said preparation.
REFERENCES:
patent: 3409721 (1968-11-01), Applezweig
patent: 3957982 (1976-05-01), Lachnit-Fixon et al.
patent: 4018919 (1977-04-01), Black
Akzon N.V.
Roberts Elbert L.
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