Patents by Inventor VorbruHelmut

VorbruHelmut 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).

  • Prostaglandins and prostacyclins, processer for their preparation and their use as medicaments
    Patent number: 4468395
    Abstract: Compounds of Formula I ##STR1## wherein R.sub.1 is a prostaglandin or prostacyclin residue;Y is oxygen, sulfur, imino, or N-(C.sub.1 -C.sub.4 -alkyl) imino;Q is (CR.sub.6 R.sub.7).sub.p wherein p is an integer of 0 to 3;R.sub.2 is hydrogen; alkyl of 1-6 carbon atoms optionally substituted by hydroxy or amino; C.sub.1 -C.sub.4 -alkoxycarbonyl; benzyloxycarbonyl; cyano; or di-C.sub.1 -C.sub.4 -alkylaminocarbonyl;R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 each independently is hydrogen; alkyl of 1-6 carbon atoms optionally substituted by hydroxy or amino; or aryl; andR.sub.3 and R.sub.4 together form a trimethylene, tetramethylene, or 1,3-butadienylene group when R.sub.2 and R.sub.5 together represent a direct bond;have valuable pharmacological properties, e.g., as blood-pressure-lowering or abortive agents.
    Type: Grant
    Filed: May 20, 1982
    Date of Patent: August 28, 1984
    Assignee: Schering, Aktiengesellschaft
    Inventors: VorbruHelmut, Walter Elger, Michael-Harold Town, Ekkehard Schillinger