Patents by Inventor Heueh-Chi Lee

Heueh-Chi Lee 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: 5500251
    Abstract: N-(4-alkylphenyl)acrylamides, N-(4-alkylphenyl)methacrylamides and N-(4-alkylphenyl)maleimides, when co-polymerized into conventional polymer systems promote adhesion of such systems to low energy polyolefin surfaces. These compounds are effective in increasing the adhesive coating properties of both solution polymer and emulsion polymer systems.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: March 19, 1996
    Assignee: Air Products and Chemicals, Inc.
    Inventors: William F. Burgoyne, Jr., Wiley E. Daniels, Dennis Sagl, Heueh-Chi Lee, Menas S. Vratsanos