Patents Assigned to International Wool Secretariat
  • Zirconium flame-resist, low smoke emission treatment
    Patent number: 4201805
    Abstract: A method for improving both the flame-resist and smoke emission properties of natural polyamide fibers comprising applying thereto an anionic complex of zirconium, citric acid and fluoride at an acid pH.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: May 6, 1980
    Assignee: International Wool Secretariat
    Inventor: Ladislav Benisek