Patents Assigned to Hoocker, S.A.
  • Flexible polyurethane foams with reduced fogging effect and polyesters suitable for their preparation
    Patent number: 5607984
    Abstract: New flexible polyurethane foams are described, suitable for use in the interior linings of cars, with a reduced fogging effect, whose content by weight of the cyclic adipate of diethylene glycol, 8,13-dioxo-1,4,7-trioxacyclotridecane, is less than 0.25% and preferably less than 0.17%. Also described are polyester polyols, suitable for preparing these polyurethane foams, whose content by weight of the cyclic adipate of diethylene glycol, 8,13-dioxo-1,4,7-trioxacyclotridecane, is less than 0.4% and preferably less than 0.25%.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: March 4, 1997
    Assignee: Hoocker, S.A.
    Inventors: Luis Duocastella-Codina, Jose M. Monso-Capelllades, Jose Soler-Llado