Patents by Inventor Marcel Deizant

Marcel Deizant 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).

  • Glass microbeads for biochemical separation of material from a fluid medium
    Patent number: 5045201
    Abstract: Glass microbeads bearing a coating which includes at least one binding agent fixed to the glass microbeads, and which binding agent is adapted releasably to bind to a material contained within a fluid medium by a biological affinity reaction, whereby the material can be removed from the fluid medium with the glass microbeads and then stripped from the glass microbeads while leaving the at least one binding agent attached to the glass microbeads. Inventive microbeads may bear a monomolecular layer of a silane as a fixing agent for a binding agent which is selected for its biological affinity for the material to be separated.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: September 3, 1991
    Assignee: Glaverbel
    Inventors: Dominique Dubois, Marcel Deizant, Francois Toussaint, Thierry Kemp