Inventor · disambiguated record
William S. Eryman
Also filed as: ERYMAN WILLIAM S
13 granted patents·158 citations·filing 1982–1991
92Inventor score
Top patents by PatentIndex Score
13 records- 0192US4933312AMaleic anhydride catalysts and process for their manufactureAMOCO CORP·Filed 1989·Granted Jun 12, 1990·37 cites·24 claims
- 0289US5095125AMaleic anhydride productionAMOCO CORP·Filed 1990·Granted Mar 10, 1992·36 cites·27 claims
- 0383US4418003ACatalysts for the production of maleic anhydrideSTANDARD OIL CO INDIANA·Filed 1982·Granted Nov 29, 1983·18 cites·31 claims
- 0475US4824819AVanadium coated phosphorus-vandium oxide and phosphorus-vanadium oxide co-metal catalyst and process for the manufacture of maleic anhydrideAMOCO CORP·Filed 1988·Granted Apr 25, 1989·10 cites·21 claims
- 0566US4957894AProcess for manufacture of maleic anhydride catalystsAMOCO CORP·Filed 1989·Granted Sep 18, 1990·8 cites·15 claims
- 0666US4845241AProcess for the manufacture of maleicAMOCO CORPRATION·Filed 1988·Granted Jul 4, 1989·8 cites·3 claims
- 0761US4965235AMaleic anhydride catalysts and process for their manufactureAMOCO CORP·Filed 1989·Granted Oct 23, 1990·6 cites·35 claims
- 0858US5177277AHydrogenated deodorized polybutene polymersAMOCO CORP·Filed 1991·Granted Jan 5, 1993·9 cites·11 claims
- 0952US4996179AMaleic anhydride catalysts and process for their manufactureAMOCO CORP·Filed 1990·Granted Feb 26, 1991·14 cites·41 claims
- 1050US5093298AMaleic anhydride catalystsAMOCO CORP·Filed 1990·Granted Mar 3, 1992·4 cites·4 claims
- 1148US5134106AMaleic anhydride catalystsAMOCO CORP·Filed 1991·Granted Jul 28, 1992·3 cites·5 claims
- 1237US5019545AProcess for manufacture of maleic anhydride catalystsAMOCO CORP·Filed 1988·Granted May 28, 1991·4 cites·28 claims
- 1337US4482726AProcess for the production of maleic anhydrideSTANDARD OIL CO INDIANA·Filed 1983·Granted Nov 13, 1984·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →