Patents by Inventor John T. Tupa

John T. Tupa 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).

  • Low temperature cure latexes
    Patent number: 4444941
    Abstract: Thermosetting low temperature cure coating compositions produced by combining certain acrylamide emulsion polymers containing both carboxyl and hydroxyl groups with a glycoluril whereby both the carboxyl and hydroxyl groups cross-link with the glycoluril upon curing.
    Type: Grant
    Filed: September 1, 1982
    Date of Patent: April 24, 1984
    Assignee: SCM Corporation
    Inventors: David A. Borovicka, Sr., Kenneth G. Hahn, Jr., John T. Tupa
  • Low temperature cure latexes
    Patent number: 4442257
    Abstract: Thermosetting low temperature cure coating compositions produced by combining certain emulsion polymers containing reactive hydroxyl groups, carboxyl groups, and acrylamide groups with a dimethylol dihydroxy ethylene urea whereby the hydroxyl groups cross-link with the dimethylol dihydroxy ethylene urea upon curing. Preferred emulsion polymers are acrylamide polymers.
    Type: Grant
    Filed: October 22, 1982
    Date of Patent: April 10, 1984
    Assignee: SCM Corporation
    Inventors: David A. Borovicka, Sr., Kenneth G. Hahn, Jr., John T. Tupa