| http://www.w3.org/ns/prov#value | - Other examples of refrigerants useful in this invention are hydrofluorocarbons such as 1,1,1,2-tetrafluoroethane, 1,1-difluoroethane, 1,1,1-trifluoroethane, 2,2-difluoroethane, trifluoromethane, methylene fluoride, methyl fluoride, difluoroethylene and pentafluoroethane.
|