Patents by Inventor Werner Haede

Werner Haede 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).

  • Heart glycosides and process for preparing them
    Patent number: 4003997
    Abstract: Cyclic 2',3'-ethers of 3-hydroxy-14,15.beta.-oxido-14.beta.-bufa-4,20,22-trienolide, 3.beta.-(.alpha.-L-rhamnopyranoside) and process for preparing them. The compounds have a strongly positive inotropic activity and may be used in the therapy of cardiac insufficiency.
    Type: Grant
    Filed: August 12, 1974
    Date of Patent: January 18, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ulrich Stache, Kurt Radscheit, Werner Fritsch, Werner Haede, Ernst Lindner
  • Digoxigenine-3-[2',3'-didesoxy-glycosides] and a process for their manufacture
    Patent number: 3950323
    Abstract: Digoxigenine-3-[2', 3'-didesoxy-glycosides] of the formula ##SPC1##In which R.sup.1 is the digoxigenine radical and R.sup.2 is hydrogen, methyl or --CH.sub.2 OH, which are prepared by a reaction of a digoxigenine-12-monoacylate with an acylated 1,2-glycal, a catalytic hydrogenation of the 12-acylates obtained and a subsequent hydrolysis. The products have a cardiotonic, diuretic and especially venotonic activity.
    Type: Grant
    Filed: November 16, 1973
    Date of Patent: April 13, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ulrich Stache, Werner Fritsch, Werner Haede, Ernst Lindner
  • 12-Dehydro digoxin-4'"-and 3'"-alkyl ethers
    Patent number: 3937697
    Abstract: 12-Dehydro digoxin mono-4'" and 3'"-alkyl ethers and a process for their manufacture.The compounds have a cardiotonic and diuretic activity.
    Type: Grant
    Filed: February 28, 1975
    Date of Patent: February 10, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ulrich Stache, Werner Fritsch, Werner Haede, Ernest Lindner