Patents by Inventor Horst Michna

Horst Michna has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 14.beta.-H-, 14-and 15-En-11.beta.-aryl-4-oestrenes
    Patent number: 5426102
    Abstract: Novel compounds of the general formula I ##STR1## and the pharmacologically tolerable addition salts thereof with acids are described, in which eitherIa) R.sup.11 represents a hydrogen atom in the .beta.-configuration and each of R.sup.12 and R.sup.13 represents a hydrogen atom, orIb) R.sup.11 represents a hydrogen atom in the .beta.-configuration and R.sup.12 and R.sup.13 together represent a second bond, orIc) R.sup.11 and R.sup.12 together represent a second bond and R.sup.13 represents a hydrogen atom, orId) R.sup.11 represents a hydrogen atom in the .alpha.-configuration and R.sup.12 and R.sup.13 together represent a second bond,and in Ia), Ib), Ic) or Id)X represents an oxygen atom, the hydroxyimino grouping >N.about.OH or two hydrogen atoms,R.sup.1 represents a hydrogen atom or a methyl group,R.sup.2 represents a hydroxy group, a C.sub.1 -C.sub.10 -alkoxy group or a C.sub.1 -C.sub.10 -acyloxy group, andR.sup.3 and R.sup.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: June 20, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Wolfgang Schwede, Eckhard Ottow, Gunter Neef, Arwed Cleve, Krzysztof Chwalisz, Horst Michna
  • Antiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroids
    Patent number: 5389624
    Abstract: [3,2-c]Pyrazole and [3,2-d]triazole steroids are useful anti-androgens.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: February 14, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Dieter Bittler, Horst Michna, Ursula Habenicht, Karl-Heinrich Fritzemeier, Yukishige Nishino
  • Antiandrogenic [3,2-c]pyrazole and [3,2-d]triazole steroids
    Patent number: 5236912
    Abstract: [3,2-c]Pyrazole and [3,2-d]triazole steroids are useful anti-androgens.
    Type: Grant
    Filed: July 5, 1991
    Date of Patent: August 17, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Dieter Bittler, Horst Michna, Ursula Habenicht, Karl-Heinrich Fritzemeier, Yukishige Nishino