Overview
Freon® made possible widespread use of refrigerators and air conditioners and served as propellant in aerosol sprays of all types. Up to the 1920s, most commonly used refrigerants were exceedingly hazardous substances. Freon® (chlorofluorocarbon or CFC) was developed by two General Motors scientists and manufactured by DuPont at Deepwater, New Jersey, beginning in 1930. CFCs also proved effective as degreasing agents. Non-CFC substitutes for Freon® - Suva® refrigerants and Dymel® propellants – were commercialized in 1990. DuPont produced its last CFCs in the developed countries in 1995.
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