Inventor · disambiguated record
Richard E. Ernst
Also filed as: ERNST RICHARD E · ERNST RICHARD EDWARD
13 granted patents·1 pending application·143 citations·filing 1975–2002
91Inventor score
Files withDU PONT13
Top patents by PatentIndex Score
14 records- 0194US4590285AProcess for preparing a mixture of tetrahydrofuran and 3-alkyl tetrahydrofuran and copolymers thereofDU PONT·Filed 1984·Granted May 20, 1986·51 cites·12 claims
- 0285US4383895APurification of 1,4-butanediolDU PONT·Filed 1981·Granted May 17, 1983·22 cites·2 claims
- 0381US6566539B1Catalyst regeneration by treatment with an oxidizing agentDU PONT·Filed 2002·Granted May 20, 2003·12 cites·20 claims
- 0478US4879420APreparation of mixtures of butanediolsDU PONT·Filed 1988·Granted Nov 7, 1989·14 cites·18 claims
- 0572US4590312AProcess for preparing 2-alkyl-1,4-butanediolsDU PONT·Filed 1984·Granted May 20, 1986·10 cites·9 claims
- 0664US6355846B1Narrowing of poly (tetramethylene ether) glycolDU PONT·Filed 2000·Granted Mar 12, 2002·6 cites·11 claims
- 0761US4859801ASynthesis of mixtures of butanediolsDU PONT·Filed 1988·Granted Aug 22, 1989·6 cites·18 claims
- 0848US4413136APurification of tetrahydrofuranDU PONT·Filed 1982·Granted Nov 1, 1983·2 cites·5 claims
- 0944US6225477B1Process for regeneration of carbon-supported, rhenium-containing catalystsDU PONT·Filed 1998·Granted May 1, 2001·9 cites·10 claims
- 1042US3998936AProcess for regenerating hydrogenation catalyst activity in hydrogen peroxide synthesisDU PONT·Filed 1975·Granted Dec 21, 1976·6 cites·4 claims
- 1141US4499291AProcess for simultaneous hydrogenation of 2-butyne-1,4-diol and furanDU PONT·Filed 1983·Granted Feb 12, 1985·1 cites·4 claims
- 1237US2004077885A1Catalyst regeneration by solvent extractionFiled 2002·Application pending·0 cites
- 1329US5596074AMethod for controlling color formation during polytetramethylene ether glycol productionDU PONT·Filed 1995·Granted Jan 21, 1997·4 cites·4 claims
- 1427US4954658AProcess for reducing fluoride levels in poly(tetramethylene ether) glycolDU PONT·Filed 1989·Granted Sep 4, 1990·0 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →