Patents by Inventor Frédéric Garret-Flaudy

Frédéric Garret-Flaudy 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).

  • Affinity macroligands
    Patent number: 6258275
    Abstract: Affinity macroligands (AML) comprising a reversibly water soluble poly-N-alkylacrylamide linked to a ligand, and their use in the separation of a target substance from a mixture comprising the target substance and other materials are disclosed. Preferred AMLs have number average molar masses of less than 7,000 g/mol (chain length n typically about 25), mass distributions of less than 1.2 and narrow precipitation-solubility temperature (NPST) interval, typically in the range of 1-2° C.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: July 10, 2001
    Assignee: Ecole Polytechnique Federale de Lausanne
    Inventors: Ruth Freitag, Frédéric Garret-Flaudy