Patents by Inventor Phillip H. Lau

Phillip H. Lau 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).

  • Protein immobilization with poly(ethyleneimine) derivatized with a hydroprobic group
    Patent number: 4952519
    Abstract: A member of a bioaffinity binding pair is immobilized on a plastic surface by coating the surface with poly(ethyleneimine) derivatized with a hydrophobic group, and covalently coupling the member to the coated surface. The immobilized member may be used in immunoassays or bioaffinity separations. The derivatized poly(ethyleneimine) is preferably tosyl poly(ethyleneimine).
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: August 28, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Phillip H. Lau