Patents by Inventor Jurgen Maisenbacher

Jurgen Maisenbacher 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).

  • New prostaglandin-like diketals
    Patent number: 4209444
    Abstract: Compounds of formula ##STR1## their mirror images and racemic mixtures, and the physiologically acceptable salts thereof,wherein A and D each are ketalized carbonyl groups; B is --CH.sub.2 --, --CH(CH.sub.3)--, --C(CH.sub.3).sub.2 --, --CH.sub.2 CH.sub.2 --, --CH(CH.sub.3)CH.sub.2 ----C(CH.sub.3).sub.2 CH.sub.2 -- or --CH.sub.2 O--; R.sup.1 is H or alkyl of 1-4 C-atoms; and R.sup.2 is alkyl of 3 to 5 C-atoms, phenyl or phenyl substituted one to three times by F, Cl, CF.sub.3, OH, OCH.sub.3, OC.sub.2 H.sub.5 or alkyl of 1 to 3 C-atoms inhibit aggregation and/or adhesion of thrombocytes.
    Type: Grant
    Filed: November 29, 1977
    Date of Patent: June 24, 1980
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Manfred Baumgarth, Dieter Orth, Hans-Eckart Radunz, Reinhard Lissner, Jurgen Maisenbacher
  • Cyclopentan-1-amines
    Patent number: 4188403
    Abstract: Compounds of the Formula ##STR1## and the physiologically acceptable salts thereof, wherein R.sup.1 and R.sub.2 each is hydrogen or benzyl; R.sup.3 is alkyl of 5-10 C-atoms or 2-hydroxyalkyl of 5-10 C-atoms; R.sup.4 is hydrogen, methyl or ethyl; R.sup.5 is alkyl of 5-10 C-atoms or --C.sub.n H.sub.2n COOR.sup.6 ; R.sup.6 is hydrogen or alkyl of 1-4 C-atoms; and n is 0, 4, 5 or 6 are effective for inhibiting adhesion and/or agglomeration of thrombocytes.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: February 12, 1980
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Dieter Orth, Hans-Eckart Radunz, Manfred Baumgarth, Jurgen Maisenbacher, Reinhard Lissner
  • 1,4-Oxathianes
    Patent number: 4125622
    Abstract: 1,4-Oxathianes of the formula ##STR1## and the physiologically-acceptable salts thereof wherein R.sup.1 is H or alkyl with 1-4 C-atoms; R.sup.2 is H or alkyl with 1-4 C-atoms; R.sup.3 is H, alkyl with 1-8 C-atoms, phenyl or phenyl substituted by F, Cl, Br, OH, OCH.sub.3, CF.sub.3 or NO.sub.2 ; R.sup.4 is H or CH.sub.3 ; B is a single bond, --CH.sub.2 --, --CH.sub.2 CH.sub.2 -- or --CH.sub.2 O--; and a wavy line ( ) indicates that these bonds can be in the .alpha.- or .beta.- positions possess thrombocyte inhibition properties.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: November 14, 1978
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Hans-Eckart Radunz, Dieter Orth, Manfred Baumgarth, Reinhard Lissner, Jurgen Maisenbacher
  • Suppression of thrombocyte aggregation
    Patent number: 4080446
    Abstract: 2-(4,5-BIS-P-CHLOROPHENYLOXAZOL-2-YL-MERCAPTO)-PROPIONIC ACID AND ITS PHYSIOLOGICALLY ACCEPTABLE SALTS IS USEFUL FOR SUPPRESSING AGGREGATION OF THROMBOCYTES, PARTICULARLY WHEN ADMINISTERED IN COMBINATION WITH ASPIRIN.
    Type: Grant
    Filed: November 4, 1976
    Date of Patent: March 21, 1978
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gotz Leopold, Reinhard Lissner, Jurgen Maisenbacher, Werner Mehrhof, Joachim Gante