Patents by Inventor Tamás Dávényi

Tamás Dávényi 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 dehydrogenation of azaandrostane compounds
    Patent number: 6762302
    Abstract: The invention relates to a process for the production of compounds of general formula (I), wherein R1 is a —NH-tert-butyl group or a 4-methyl-piperidino group, by bioconversion of compounds of general formula (II), wherein R1 is as described above, using a biocatalyst having steroid-&Dgr;1-dehydrogenase enzyme activity, wherein the activity of the enzyme needed for the bioconversion is produced by induction.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: July 13, 2004
    Assignee: Gedeon Richter, Ltd.
    Inventors: Katalin Olasz, Ágnes Pécsne Rázsó, István Barthó, Mónika Berta Hériné, Tamás Dávényi, Gábor Hantos