Patents by Inventor Eva Udvardy-Nagy nee Cserey Pechaany

Eva Udvardy-Nagy nee Cserey Pechaany 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).

  • Clavine-producing strain, a process for the preparation thereof as well as a microbiological process for producing clavine alkaloids
    Patent number: 4618581
    Abstract: The invention relates to a new microbiological process for the preparation of clavine alkaloids of the general formula (I), ##STR1## wherein R stands for hydroxymethyl or methyl group, by cultivation of a Claviceps fusiformis strain in liquid submerged culture medium containing sources of carbon, nitrogen, mineral salts and optionally other additives, under aerobic conditions, in which a Claviceps fusiformis variant strain deposited under No. 00211 is used as alkaloid-producing strain. The invention further relates to a biologically pure culture of the Claviceps fusiformis variant strain No. 00211 obtained in a process in which a Claviceps fusiformis strain No. 00164 is grown in a solid culture medium containing sources of carbon, nitrogen, mineral salts and agar as well as an additive promoting the formation of cytochrome P-450, followed by the selective isolation of the new strain No. 00211.
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: October 21, 1986
    Assignee: Richter Gedeon Vegyeszeti Gyar RT.
    Inventors: Maria Trinn, Gabriella Kordik, Eva Udvardy-Nagy nee Cserey Pechaany, Zsuzsanna Vida, Rzsebet Zsoka nee Somkuti