Patents by Inventor Reinhold Wieske

Reinhold Wieske 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).

  • Patent number: 4224320
    Abstract: Steroids of the formula ##STR1## wherein represents a single or double bond,X is hydrogen, fluorine or methyl;Y is hydrogen, hydroxy or alkanoyloxy of 1-6 carbon atoms;Z is hydrogen or methyl;V is methylene, ethylidene, hydroxymethylene or vinylidene; andR.sub.1 is alkyl of 1-6 carbon atoms or alkyl of 2-6 carbon atoms with an oxygen atom between two of the carbon atoms;R.sub.2 is hydrogen or alkyl of 1-6 carbon atoms, orR.sub.1 and R.sub.2 together form a tri- or tetramethylene group provided that Y is hydroxy or alkanoyloxy;have pharmacological activity and are useful as intermediates for preparing other pharmacologically active steroids.
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: September 23, 1980
    Assignee: Schering, Aktiengesellschaft
    Inventors: Helmut Dahl, Ernst Schottle, Reinhold Wieske, Alfred Weber, Mario Kennecke
  • Patent number: 4021458
    Abstract: 3-Hemisulfate sodium salts of 17.alpha.-hydroxy steroids of the formula ##STR1## wherein R.sub.1 is H, CH.sub.3 or C.sub.2 H.sub.5 and .DELTA. is one or more additional double bonds optionally present in the B and/or C rings are produced by treating a 17-mono ester of a carboxylic acid of up to 15 carbon atoms of the corresponding 3,17.alpha.-dihydroxy steroid with the reaction product of pyridine or like amine and sulfur trioxide or reactive functional derivative thereof and, without isolation thereof, saponifying the resultant reaction product with alkali, preferably a sodium alcoholate or hydroxide in a lower alcohol.
    Type: Grant
    Filed: April 15, 1975
    Date of Patent: May 3, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Hanfried Arnold, Jean-Claude Hilscher, Reinhold Wieske