Patents by Inventor Laszlo Birinesik

Laszlo Birinesik 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).

  • Microbial process for preparing pravastatin
    Patent number: 6750366
    Abstract: The present invention relates to a new microbial process for the preparation of the compound formula (I): from a compound of general formula (II): wherein R stands for an alkali metal or ammonium ion, by the submerged cultivation of a mold strain able to 6&bgr;-hydroxylate a compound of the Formula (II) in aerobic fermentation and by the separation and purification of the product of Formula (I) formed in the course of the bioconversion. The process comprises cultivating a strain of Mortierella maculata filamentous mold species that is able to 6&bgr;-hydroxylate a compound of the general Formula (II), on a nutrient medium containing assimilable carbon and nitrogen sources and mineral salts and separating the product formed from the fermentation broth, then isolating the compound of formula (I) and purifying the same. Novel strains of Mortierella maculata are also disclosed.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: June 15, 2004
    Assignee: Institute for Drug Research Ltd.
    Inventors: Antonia Jekkel, Attila Konya, Istvan Barta, Eva Ilkoy, Gyorgy Somogyi, Gabor Ambrus, Gyula Horvath, Karoly Albrecht, Istvan Szabo, Julianna Mozes Nee Suto, Janso Salat, Attila Andor, Laszlo Birinesik, Sandor Boros, Ildiko Lang, Margit Bidlo Nee Igloy
  • Microbial process for preparing pravastatin
    Publication number: 20020081675
    Abstract: The present invention relates to a new microbial process for the preparation of the compound formula (I) 1
    Type: Application
    Filed: December 5, 2001
    Publication date: June 27, 2002
    Inventors: Antonia Jekkel, Attila Konya, Istvan Barta, Eva Ilkoy, Gyorgy Somogyi, Gabor Ambrus, Gyula Horvath, Karoly Albrecht, Istvan Szabo, Julianna Mozes Nee Suto, Janso Salat, Attila Andor, Laszlo Birinesik, Sandor Boros, Ildiko Lang, Margit Bidlo Nee Igloy