Patents by Inventor Michael Bokel

Michael Bokel 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).

  • Microorganisms useful for the production of hydroxylated heterocycles
    Patent number: 5284767
    Abstract: Microorganisms which are capable of growing with 2,5-dimethylpyrazine as the sole carbon, nitrogen and energy source. These microorganisms hydroxylate heterocycles of general formula: ##STR1## to heterocycles of general formula: ##STR2## The latter compounds are accumulated in the growth medium.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: February 8, 1994
    Assignee: Lonza Ltd.
    Inventors: Andreas Kiener, Yvonne van Gameren, Michael Bokel
  • Agrobacterium useful for the microbiological process for the production of hydroxylated pyrazine derivatives
    Patent number: 5266482
    Abstract: Microorganisms, which are capable of growing with pyrazine as the sole carbon, nitrogen and energy source. These microorganisms hydroxylate pyrazine derivatives of general formula: ##STR1## to hydroxylated pyrazine derivatives of general formula: ##STR2## and the latter are accumulated in the growth medium.
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: November 30, 1993
    Assignee: Lonza Ltd.
    Inventors: Andreas Kiener, Klaus Heinzmann, Michael Bokel
  • Microbiological process for the production of hydroxylated heterocycles
    Patent number: 5229278
    Abstract: Microorganisms which are capable of growing with 2,5-dimethylpyrazine as the sole carbon, nitrogen and energy source. These microorganisms hydroxylate heterocycles of general formula: ##STR1## to heterocycles of general formula: ##STR2## The latter compounds are accumulated in the growth medium.
    Type: Grant
    Filed: September 24, 1991
    Date of Patent: July 20, 1993
    Assignee: Lonza Ltd.
    Inventors: Andreas Kiener, Yvonne V. Gameren, Michael Bokel
  • Microbiological process for the production of hydroxylated pyrazine derivatives
    Patent number: 5173412
    Abstract: Microorganisms, which are capable of growing with pyrazine as the sole carbon, nitrogen and energy source. These microorganisms hydroxylate pyrazine derivatives of general formula: ##STR1## to hydroxylated pyrazine derivatives of general formula: ##STR2## and the latter are accumulated in the growth medium.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: December 22, 1992
    Assignee: Lonza, Ltd.
    Inventors: Andreas Kiener, Klaus Heinzmann, Michael Bokel