Patents by Inventor Lajos Ferenczy

Lajos Ferenczy 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 improvement of antibiotic production by in vivo genetic recombination
    Patent number: 4729951
    Abstract: A process for the production of aminoglycoside antibiotics using fused protoplasts derived from streptomyces. The cells are precultured in a medium containing sucrose, calcium and magnesium salts. Protoplasts are formed and then fused. The fused protoplasts are regenerate and antibiotic producing ability is screened for. The regenerate cells produced an antibiotic complex of modified composition or demonstrated increased or reduced antibiotic productivity compared to the fusion partners.
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: March 8, 1988
    Assignee: Biogal Gyogyszergyar
    Inventors: Lajos Ferenczy, Antal Mai, Istvan Ott, Gabor Ambrus, Tibor Lang
  • Synergistic fungicidal compositions
    Patent number: 4305953
    Abstract: The invention relates to new synergistic fungicidal compositions comprising a mixture of (a) methyl 2-benzimidazolecarbamate or a precursor thereof, such as methyl 1-(butylcarbamoyl)-2-benzimidazolecarbamate and 1,2-bis(3-methoxy-carbonyl-2-thioureido)benzene and (b) 1H-.alpha.-butyl-.alpha.-phenylimidazol-1-yl-propanenitrile.
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: December 15, 1981
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT
    Inventors: Todor Pfliegel, Erzsebet Radvanyi nee Hegedus, Gizella Hamar nee Nemes, Andras Franko, Lajos Ferenczy