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:
Jul. 31, 1990
Filed:
Jan. 19, 1988
Applicant:
Inventors:
Helmut Hofmeister, Berlin, DE;
Henry Laurent, Berlin, DE;
Paul E Schulze, Berlin, DE;
Klaus Annen, Muenster-Albachten, DE;
Rudolf Wiechert, Berlin, DE;
Kunhard Pollow, Mainz-Hechtsheim, DE;
Bernhard Manz, Mains-Bretzenheim, DE;
Hans-Joerg Grill, Mainz, DE;
Assignee:
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; C07J / ; C07J / ;
U.S. Cl.
CPC ...
436503 ; 436501 ; 436504 ; 424-11 ; 514169 ; 514178 ; 552504 ; 552526 ; 552650 ; 552639 ; 552648 ; 552510 ; 540-3 ; 540 15 ; 540 40 ;
Abstract
Estrane and androstane derivatives of formula I ##STR1## wherein X is bromine, iodine, triphenyltin or trialkyltin of 1 to 6 carbon atoms per alkyl radical,