Patents Assigned to EH Atochem North America, Inc.
  • Stabilized 141B
    Patent number: 5246625
    Abstract: Storage-stable 141b prepared by contacting 141b with alumina at temperatures of about 0-100 degrees Centigrade, compositions containing the thus treated 141b, and uses thereof for the production of polyurethane and polyisocyanurate foams.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: September 21, 1993
    Assignee: EH Atochem North America, Inc.
    Inventors: Richard M. Crooker, Maher Y. Elsheikh