Patents by Inventor Raphael Y. Ko

Raphael Y. Ko 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).

  • Method for forming amphotericin B crystals in fermentation broth
    Patent number: 4748117
    Abstract: A new method is provided for forming crystals of amphotericin B directly in fermentation broth which crystals are easily separable without use of costly solvent extraction techniques which method includes a direct microbial cell autolysis step to induce crystal formation.
    Type: Grant
    Filed: April 16, 1986
    Date of Patent: May 31, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Raphael Y. Ko, Laszlo J. Szarka