1911 Company later to become Sumitomo Bakelite Co. Ltd. licenses phenolic patent from Dr. Leo Baekeland

1923 Durez Company established Phenolic production in North Tonawanda, NY

1924 Phenolic production initiated at site in Gent, Belgium, later to become Vyncolit N.V.

1925 Rogers Corporation begins thermoset material production at site in Manchester, CT

2000 Sumitomo Bakelite Co. Ltd. acquires Durez from Occidental Chemical Corp.; Durez Corp. formed

2002 Vyncolit N.V. acquires Rogers Corp. materials business; Vyncolit North America formed

2005 Sumitomo Bakelite Co., Ltd. acquires Vyncolit N.V. and N.A.; Sumitomo Bakelite North America, Inc. formed

2007 Sumitomo Bakelite Co., Ltd. acquires Neopreg AG long-fiber composites business