Patents Assigned to Refringerant Products Ltd.
  • CFC 12 replacement refrigerant
    Patent number: 6629419
    Abstract: A refrigerant composition comprising a hydrofluorocarbon component including 1,1,1,2-tetrafluoroethane (HFC 134a), the composition further comprising an additive selected from a saturated hydrocarbon or mixture thereof boiling in the range −5 to +70° C.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: October 7, 2003
    Assignee: Refringerant Products Ltd.
    Inventors: Richard L. Powell, John Edward Poole, John Derek Capper, James Victor Thomas