Patents by Inventor Gerd Fülling

Gerd Fülling 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 preparation of L-phosphinothricin by a coupled enzymatic reaction
    Patent number: 6335186
    Abstract: A coupled enzyme reaction of a transaminase with GOT activity and of a transaminase with L-phosphinothricin transaminase activity produces phosphinothricin in virtually quantitative yield and virtually without any contamination whatever by a natural amino acid when the amino donor glutamate is employed in catalytic amounts and the amino donor aspartate is employed in approximately equimolar amounts relative to 4-(hydroxymethylphosphinyl)-2-oxobutyric acid.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: January 1, 2002
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus Bartsch, Gerd Fülling, Arno Schulz