Inventor · disambiguated record
Donald E. Thomka
Also filed as: THOMKA DONALD E
3 granted patents·18 citations·filing 1979–1988
67Inventor score
Top patents by PatentIndex Score
3 records- 0169US4260546AAged molten color of maleic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Apr 7, 1981·8 cites·4 claims
- 0253US4769488ABatch or semicontinuous pseudocumene oxidation and catalyst recovery and recycleAMOCO CORP·Filed 1985·Granted Sep 6, 1988·5 cites·8 claims
- 0334US4876385ABatch or semicontinuous pseudocumene oxidation and catalyst recovery and recycleAMOCO CORP·Filed 1988·Granted Oct 24, 1989·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →