Patents by Inventor Antal Mai

Antal Mai 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