Patents by Inventor Binh Ngoc Le

Binh Ngoc Le 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).

  • Method of impregnating a support material
    Patent number: 4956325
    Abstract: The present invention is directed to impregnating a support material with a metal phthalocyanine oxidation catalyst dissolved in monoethanol amine. More specifically, the invention is directed to the method of impregnating a catalyst support such as carbon particles with an aqueous solution of monoethanol amine wherein the monoethanol amine solvent is present in an amount from about 0.25% to about 50% by weight.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: September 11, 1990
    Assignee: Merichem Company
    Inventor: Binh Ngoc Le