The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 19, 1978
Filed:
Mar. 28, 1978
Applicant:
Inventors:
Arthur F Marx, Delft, NL;
Cornelis Vos, Pijnacker, NL;
Assignee:
Gist-Brocades N.V., , NL;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
424331 ; 2605 / ;
Abstract
Therapeutically useful A-nor-androsta-3(5),16-dien-2-one derivatives of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a methyl group, process for their preparation by dehydrating in the 16-17 position a corresponding 17-hydroxy compound, and pharmaceutical compositions for the treatment of dermatological disorders, which comprise, as an active ingredient at least one of the A-nor-steroids as defined by formula I, are disclosed.