Patents by Inventor Jurgen Machulla

Jurgen Machulla 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).

  • Radio-iodine-labelled omega phenyl fatty acids
    Patent number: 4473544
    Abstract: Radio-iodine-labelled omega-phenyl fatty acid of the formula: ##STR1## in which: X is an alkylene group having from 6 to 20 carbon atoms; R is hydrogen or an alkyl or alkoxy group having 1 or 2 carbon atoms; Y is hydrogen, an alkali metal ion, alkaline earth metal ion or ammonium ion; and I is a radioactive iodine-123 or iodine-131 isotope which may be in the ortho- or para-position of the benzene nucleus,a process for the preparation of these radio-iodine-labelled phenyl fatty acids, and products containing them for scintigraphic examination of various organs of the body such as the heart and the liver.
    Type: Grant
    Filed: July 14, 1982
    Date of Patent: September 25, 1984
    Inventors: Hans-Jurgen Machulla, Manfred Marsmann, Klaus Dutschka
  • Method of making 1.sup.123 labeled fatty acids
    Patent number: 4290965
    Abstract: A procedure for making .omega.-I.sup.123 labeled fatty acids in which the .omega.-bromo-fatty acid is applied in a thin film or layer to a support and is there contacted in molten state with the I.sup.123 iodide to effect halogen exchange.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: September 22, 1981
    Assignee: Kernforschungsanlage Julich, Gesellschaft mit beschrankter Haftung
    Inventors: Gerhard Stocklin, Peter Laufer, Jurgen Machulla