Patents by Inventor Frank K. Chu

Frank K. Chu 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).

  • Fast crystallizing polyethylene terephthalate compositions
    Patent number: 4448913
    Abstract: Polyethylene terephthalate molding compositions characterized by rapid crystallization are provided by combining polyethylene terephthalate and a filler or reinforcing agent with a crystallization-rate promoter comprising sodium benzoate and a poly-alpha-olefin such as low density polyethylene. A flame retardant material is provided by the addition of flame retardant additives.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: May 15, 1984
    Assignee: Dart Industries Inc.
    Inventors: Ernest A. Coleman, Kevin J. Cronin, Frank K. Chu, Robin W. Kirwan