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:
Sep. 22, 1992
Filed:
Feb. 23, 1990
Applicant:
Inventors:
Andre Claussner, Villemomble, FR;
Lucien Nedelec, Le Raincy, FR;
Daniel Philibert, La Varenne Saint Hilaire, FR;
Patrick Van De Velde, Paris, FR;
Assignee:
Roussel Uclaf, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J / ; C07J / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514179 ; 514182 ; 552540 ; 552548 ; 552554 ; 552558 ; 552598 ; 552610 ; 552626 ; 552646 ; 540107 ; 540108 ; 540 13 ;
Abstract
Novel 19-nor-steroids of the formula ##STR1## wherein the A and B rings have a structure selected from the group consisting of ##STR2## having hormonal properties and their preparation and intermediates.