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:
May. 01, 1979
Filed:
Nov. 28, 1977
Applicant:
Inventors:
Alain Jouquey, Paris, FR;
Andre Pierdet, Noisly-le-Sec, FR;
Assignee:
Roussel Uclaf, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2602 / ; 2603974 ; 2603975 ;
Abstract
Novel pregnatetraenes of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, tetrahydropyranyl, trityl and trimethylsilyl and intermediates therefore and a process for their preparation and a process for the preparation of tritium labelled steroids.