Patents Examined by Richard B. Turner
  • Acrylic modified foamed nylon product and process
    Patent number: 4070426
    Abstract: A method of making nylon (polycarbonamide) foam involving the use of a multi-phase carboxylic acid-containing polymer which reacts with the amine groups of the nylon to produce water which blows the foam during the process.
    Type: Grant
    Filed: March 22, 1977
    Date of Patent: January 24, 1978
    Assignee: Rohm and Haas Company
    Inventor: Marshall T. Purvis