Patents by Inventor Emilia Cybulska

Emilia Cybulska 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).

  • Water-soluble salts of trimethylammonium derivatives of polyene macrolide antibiotics and the preparation thereof
    Patent number: 4294958
    Abstract: Inorganic salts of trimethylammonium derivatives of polyene macrolides, particularly the inorganic salts of methyl esters of these derivatives having the general formula: ##STR1## wherein R is the residue of a polyene macrolide and X is an anion of a salt selected from the group consisting of methylsulphate, sulphate, chloride, phosphate and acetate.The preparation of salts of formula (I) or formula (II) is also disclosed.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: October 13, 1981
    Assignee: Politechnika Gdanska
    Inventors: Leonard Falkowski, Barbara Stefanska, Jan Zielinski, Elzbieta Troka, Jerzy Golik, Pawel Kolodziejczyk, Andrzej Jarzebski, Emilia Cybulska, Edward Borowski