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Application filed by Ciba-Geigy Ag.,ChfiledCriticalCiba-Geigy Ag.,Ch
Priority to RO86123182ApriorityCriticalpatent/RO95350A2/en
Publication of RO95350A2publicationCriticalpatent/RO95350A2/en
(A) New dry substances, obtainable by lyophilisation, suitable for the prodn. of stable suspensions contg. 4-hydroxy or 4 acyloxy-4-androstene-3,17-diones contain a combination of at least one phospholipid and at least one polyethylene glycol in a ratio of 1:1 to 1:10 as wetting agent and to increase the viscosity of the suspending agent. (B) stable suspensions contg. a dry substance as defined above in an aq. suspending agent are also new. (C) Also new are 4-hydroxy-and 4-acyloxy-4-androstene-3,17-dione in micronised form with a particle size of 2-20 micron.
RO86123182A1986-04-281986-04-28
PROCEDURE FOR OBTAINING A SOLID MEDICINAL COMPOSITION
RO95350A2
(en)
STEROIDIC DERIVATIVES 20-ISONITRILE 17 (20) -UNSATURATED, PROCEDURE FOR THEIR PREPARATION, AND THEIR APPLICATION IN THE PREPARATION OF 17ALPHA-IDRCSSI-20-KETONIC STERIOIDS
New steroid derivatives substituted in 11b, process and intermediates of preparation, their application as medicament and the compositions containing them.