Patents by Inventor Tony Y. Liu

Tony Y. Liu 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: 4482661
    Abstract: A two-component coating system comprising Component A, (1) the reaction product of a diglycidyl ether of bisphenol A, a polyfunctional acid and a mixture of a high base strength and a low base strength amine; (2) a cumarone-indene resin; (3) a thixotropic agent; (4) a lamellar extender; and (5) a non-leafing aluminum paste; and Component B comprises a urethane prepolymer based on a flexible polyhydroxy functional oligomer and a diisocyanate.
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: November 13, 1984
    Assignee: The Valspar Corporation
    Inventor: Tony Y. Liu
  • Patent number: 4451591
    Abstract: This invention provides a two-component coating composition wherein:Component A contains a liquid polyglycidyl ether of a bisphenol having an epoxy equivalent weight between about 170 and about 200; an aluminum paste and optionally, a thixotropic agent; a coumarone-indene resin and/or silica gel; andComponent B contains a fatty acid polyamide; a fatty acid diamine salt; and, optionally, a coumarone-indene resin, microcrystalline silica; 2,4,6-tris-(dimethylaminomethyl) phenol; zinc phosphate and/or talc.
    Type: Grant
    Filed: June 16, 1982
    Date of Patent: May 29, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Henry A. Kozak, Tony Y. Liu