Patents by Inventor Mihaly Sajgo

Mihaly Sajgo 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 preparation of a biologically active substance for selective inhibition of the proliferation of leukemic and normal myeloid cells
    Patent number: 4384991
    Abstract: The invention relates to a process for the preparation of a biologically active substance, which can be isolated from normal white blood cells and is capable of inhibiting the proliferation of normal and leukemic myeloid cells selectively.The substance obtained is a peptide, which has an amino acid composition of Tau.sub.1, Asx.sub.1, Ser.sub.2, Thr.sub.1, Glx.sub.3, Gly.sub.2, Ala.sub.1, (PO.sub.4).sub.1.sup.2-, a negative charge at pH 6.5, an electrophoretic mobility of -0.55 to -0.65 related to aspartic acid, has no charge at pH 1.9, has a mobility of about 0.26 related to .epsilon.-DNP-lysine and gives a positive chloro-toluidine reaction.
    Type: Grant
    Filed: January 8, 1981
    Date of Patent: May 24, 1983
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Andras Balazs, Mihaly Sajgo, Lajos Kisfaludy, Tibor Klupp, Kornelia Barabas nee Borbas