Patents by Inventor Gergelyne P. Katalin

Gergelyne P. Katalin 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 water soluble primycin and its components and pharmaceutical compositions containing them
    Patent number: 5441940
    Abstract: The invention relates to a process for the preparation of water soluble primycin and to the separation of its components of formulae (A.sub.1) and (A.sub.3) either as single components or as a mixture of the two components. According to the invention(i) water insoluble primycin is reacted in a C.sub.1-3 alcohol with a condensable substance comprising a C--C--C bridge in the presence of sodium or potassium methoxide or ethoxide, the resulting product with a water solubility of 40-60 mg/ml is separated, and, if desired,(ii) the resulting substance is subjected to column chromatography on silica gel applying a 1% aqueous solution of Partridge mixture as eluting agent to obtain a mixture of components of formulae (A.sub.1) and (A.sub.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: August 15, 1995
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Tamas Keresztes, Andras Kover, Gabor Kulcsar, Katalin Erdodine, Gergelyne P. Katalin