Inventor · disambiguated record
Fritz Obenaus
Also filed as: DROSTE WILHELM · OBENAUS FRITZ
8 granted patents·240 citations·filing 1975–2003
89Inventor score
Technology areasC07C
Top patents by PatentIndex Score
8 records- 0193US5177282AOligomerization of olefinsHUELS CHEMISCHE WERKE AG·Filed 1990·Granted Jan 5, 1993·76 cites·12 claims
- 0293US4219678AProcess for preparing pure methyl tert.-butyl etherHUELS CHEMISCHE WERKE AG·Filed 1978·Granted Aug 26, 1980·37 cites·5 claims
- 0392US4517395AProcess for the selective hydrogenation of polyunsaturated hydrocarbons in hydrocarbon mixturesHUELS CHEMISCHE WERKE AG·Filed 1982·Granted May 14, 1985·50 cites·12 claims
- 0490US4282389AProcess for the simultaneous manufacture of pure MTBE and a substantially isobutene-free mixture of C4 -hydrocarbonsHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Aug 4, 1981·27 cites·6 claims
- 0586US4423271AProcess for producing high purity isobutene by dehydrating tertiary butanolHUELS CHEMISCHE WERKE AG·Filed 1982·Granted Dec 27, 1983·35 cites·5 claims
- 0669US4126748AProcess for the production of carboxylic acid esters by catalytic oxidation of alcoholsHUELS CHEMISCHE WERKE AG·Filed 1977·Granted Nov 21, 1978·9 cites·10 claims
- 0761US7304188B2Preparation of highly pure methyl tert-butyl etherOXENO OLEFINCHEMIE GMBH·Filed 2003·Granted Dec 4, 2007·3 cites·11 claims
- 0851US4000199AProcess for the production of acetoneHUELS CHEMISCHE WERKE AG·Filed 1975·Granted Dec 28, 1976·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →