Inventor · disambiguated record
Edward F. Steigelmann
Also filed as: COUPER ALISTAIR S · HUGHES ROBERT D · STEIGELMANN EDWARD F
15 granted patents·562 citations·filing 1965–1990
95Inventor score
Top patents by PatentIndex Score
15 records- 0197US4188817AMethod for detecting membrane leakageSTANDARD OIL CO INDIANA·Filed 1978·Granted Feb 19, 1980·179 cites·4 claims
- 0294US3980605ASemi-permeable membrane compositions based on blends of polyamides and polyvinyl alcoholsSTANDARD OIL CO·Filed 1973·Granted Sep 14, 1976·72 cites·37 claims
- 0392US5118896AAromatic alkylation process using large macropore, small particle size, zeolite catalystAMOCO CORP·Filed 1990·Granted Jun 2, 1992·93 cites·16 claims
- 0483US4106920AMethod of making a semi-permeable, essentially water-insoluble, hydrophilic nylon membrane and resultant productSTANDARD OIL CO INDIANA·Filed 1974·Granted Aug 15, 1978·14 cites·8 claims
- 0581US4235983APurification of olefin recycle to polymerizationSTANDARD OIL CO INDIANA·Filed 1978·Granted Nov 25, 1980·35 cites·8 claims
- 0674US5300722AOxygen-free aromatic alkylation processAMOCO CORP·Filed 1990·Granted Apr 5, 1994·17 cites·26 claims
- 0773US4014665AMembrane process and productSTANDARD OIL CO INDIANA·Filed 1974·Granted Mar 29, 1977·25 cites·16 claims
- 0871US4239506AUse of aqueous, non-sweep liquid during membrane separationSTANDARD OIL CO INDIANA·Filed 1976·Granted Dec 16, 1980·25 cites·19 claims
- 0970US3940469AProcess for forming hollow fibersSTANDARD OIL CO·Filed 1973·Granted Feb 24, 1976·18 cites·12 claims
- 1069US4237596AMethod of converting membrane separation unitsSTANDARD OIL CO INDIANA·Filed 1978·Granted Dec 9, 1980·23 cites·10 claims
- 1158US4047908AGas separation membraneSTANDARD OIL CO·Filed 1974·Granted Sep 13, 1977·15 cites·10 claims
- 1257US4015955AFluid separation process and membraneSTANDARD OIL CO·Filed 1975·Granted Apr 5, 1977·16 cites·23 claims
- 1356US3951621AProcess for separating one or more components of a gaseous mixtureSTANDARD OIL CO·Filed 1973·Granted Apr 20, 1976·15 cites·8 claims
- 1455US4039499AProductSTANDARD OIL CO·Filed 1975·Granted Aug 2, 1977·12 cites·15 claims
- 1541US4166723AGelled hydrocarbon fuelsSTANDARD OIL CO INDIANA·Filed 1965·Granted Sep 4, 1979·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →