Patents by Inventor Rudolf Weichert

Rudolf Weichert 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).

  • Initial compounds for the production of 10.beta.-H-steroids and a process for the production of these initial compounds
    Patent number: 5359054
    Abstract: The invention includes compounds of the following formula ##STR1## where A and B either A and B form an additional double bond and D is a hydrogen atom or B and D form an additional double bond and A is a hydrogen atom and the other variables are as defined in the specification. Also disclosed is a process of making the compounds and a process of using the compounds to make compounds of the following formula ##STR2## where the variables are defined in the specification. These compounds are useful as antigestigens.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: October 25, 1994
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Gunter Neef, Arwed Cleve, Rudolf Weichert
  • 17.alpha.-Pregn-4-ene-3-oxo-21-carboxylic acid esters, process for the preparation thereof, and use thereof as medicinal agents
    Patent number: 4542128
    Abstract: 17.alpha.-Pregn-4-ene-3-oxo-21-carboxylic acid esters of Formula I ##STR1## wherein C.sub.1 C.sub.2 is a CC single or C.dbd.C double bond,--A--B--is ##STR2## --C--D--is ##STR3## and R is an alkyl or alkenyl residue of up to 6 carbon atoms,in addition to antialdosterone activity, exhibit greatly reduced antiandrogenic and progestational side effects.
    Type: Grant
    Filed: July 22, 1983
    Date of Patent: September 17, 1985
    Assignee: Schering Aktiengesellschaft
    Inventors: Dieter Bittler, Henry Laurent, Klaus Nickisch, Rudolf Weichert, Jorge Casals-Stenzel
  • 6.beta.,7.beta.-Methylene-17.alpha.-pregn-4-ene-21,17-carbolactones, their preparation and use as medicinal agents
    Patent number: 4464364
    Abstract: Novel 6.beta.,7.beta.-methylene-17.alpha.-pregn-4-ene-21,17-carbolactones of Formula I ##STR1## wherein R and R' each is hydrogen or jointly form a methylene group.These exhibit a good antimineralocorticoid effect with low side effects.
    Type: Grant
    Filed: June 9, 1983
    Date of Patent: August 7, 1984
    Assignee: Schering Aktiengesellschaft
    Inventors: Dieter Bittler, Henry Laurent, Rudolf Weichert, Jorge Casals-Stenzel, Ekkehard Schillinger