text: *Williams-Miles History of Chemistry Collection at Harding University, established in 1992
  *The Houdry process for catalytic cracking of crude petroleum into gasoline, developed by Eugene Houdry and the Sun Oil Company in the 1930s
  *Kem-Tone Wall Finish, the first commercially successful water-based paint, introduced by Sherwin-Williams in 1941
  *The Sohio process for production of acrylonitrile, developed by Sohio in 1957 and commercialized in 1960