1961 Industry's first commercial production of ethylene-propylene rubber at ExxonMobil Chemical's Baton Rouge plant.
1964 Commercial production of EPDM (ethylene-propylene diene rubber) begins at ExxonMobil Chemical's Baton Rouge plant which allowed sulfur vulcanization for low-cost compounding for a variety of molded and extruded goods.
1967 ExxonMobil Chemical's EP(D)M rubber commercialized under the Vistalon trade name.
