DR

David Edward Raposa

AL Albemarle: 2 patents #165 of 439Top 40%
ET Ethyl: 1 patents #298 of 494Top 65%
Overall (All Time): #1,626,110 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6018067 Process of purifying dihydrocarbylchlorothiophosphates William B. Harrod, Dean Allen Raucstadt, Donald S. Vash 2000-01-25
5955626 Process of purifying dihydrocarbylchlorothiophosphates William B. Harrod, Thomas J. Callender 1999-09-21
5288879 Tetrahalophthalic anhydride process Scott A. Bottelberghe, Bonnie G. McKinnie, Steven G. Miller 1994-02-22