Patents by Inventor Li Ang Chen

Li Ang Chen 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).

  • Patent number: 6191256
    Abstract: Peptides that have domains that bind to recombinant factor VIII (rFVIII) are disclosed. A method of rFVIII binding assay using the peptides deduced from a combinatorial library in a filtration plate process is described. A method of using peptides having these available binding domains in an affinity chromatography process to purify factor VIII is also taught.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: February 20, 2001
    Assignee: Bayer Corporation
    Inventors: Li Ang Chen, Joseph A. Buettner, Ruben G. Carbonell
  • Patent number: 5695647
    Abstract: The present invention provides methods of treating or clarifying a turbid wastewater containing at least one contaminant selected from the group consisting of proteinaceous materials, fats, oils, and other biological contaminants. The methods of the present invention include the steps of (a) contacting turbid wastewater to cellulose ester fibrets under conditions sufficient to flocculate the contaminant to form a treatment suspension, and then (b) separating the flocculants from the treatment suspension to provide a clarified wastewater.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: December 9, 1997
    Assignees: North Carolina State University, Hoechst Celanese Corporation
    Inventors: Ruben G. Carbonell, Li Ang Chen, George A. Serad