Patents Examined by J. R. Hall, Jr.
  • Molding wood articles from ammonium salt-wood particle mixtures
    Patent number: 3950472
    Abstract: A method for making a molded wood products wherein wood particles are admixed with an ammonium salt of a weak acid (e.g., ammonium carbonate) and the salt-wood particle mixture is placed in a mold and compressed or otherwise molded at elevated temperatures (up to 200.degree.C) and pressures (1000 to 10,000 psi).
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: April 13, 1976
    Assignee: Continental Can Company, Inc.
    Inventor: Cheh Jen Su