Patents by Inventor Jaqueline De Maeyer nee Guignard

Jaqueline De Maeyer nee Guignard 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).

  • Chromophore blue adsorbent method for the purification of preparations having an interferon type activity
    Patent number: 4172071
    Abstract: The invention relates to a process for the purification of preparations having an interferon type-activity which comprises contacting the crude preparations with an adsorbent comprising as ligand a chromophore blue, equilibrated with an aqueous buffer whose concentration in salts is isomolar or hypomolar as compared with that of blood, and separating the fixed products having an interferon activity by using an aqueous buffer whose concentration in salts is hypermolar as compared with that of blood.The purified preparations thus obtained are used as active ingredients of drugs having antiviral activity.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: October 23, 1979
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Edward De Maeyer, Jaqueline De Maeyer nee Guignard