Patents by Inventor Rudolf Machat

Rudolf Machat 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).

  • Process for the enrichment and/or isolation of heart glycosides with the use of non-polar absorber resins
    Patent number: 5062959
    Abstract: Enrichment and purification of heart glycosides from mixtures of mother liquors is achieved by absorption on non-polar, large-pored resins from aqueous solution with possible addition of solvents miscible with water, and subsequent desorption with water/solvent mixtures or pure solvents.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: November 5, 1991
    Assignee: Boehringer Mannheim GmbH
    Inventors: Carl H. Ross, Rudolf Machat, Werner Haring, Gustav Lettenbauer
  • Phenolsulphonphthaleinyl-.beta.-D-galactosides and diagnostic agents containing them
    Patent number: 4668622
    Abstract: The present invention provides phenolsulphonphthaleinyl-.beta.-D-galactosides of the general formula: ##STR1## wherein R.sup.1 to R.sup.4, which can be the same or different, are hydrogen or halogen atoms or nitro or amino groups, R.sup.5 to R.sup.12, which can be the same or different, are hydrogen or halogen atoms or lower alkyl, hydroxyl, lower alkoxy, carboxyl or nitro groups and M.sup.+ is a proton, an alkali metal, alkaline earth metal or ammonium ion.The present invention also provides a process for preparing these galactosides and diagnostic agents containing them.
    Type: Grant
    Filed: December 13, 1984
    Date of Patent: May 26, 1987
    Assignee: Boehringer Mannheim GmbH
    Inventors: Manfred Kuhr, Rudolf Machat, Wolfgang Weckerle, Hans-Georg Batz, Rupert Herrmann, Wolfgang Kleeman, Herbert Buschek