Inventor · disambiguated record
James L. Callahan
Also filed as: CALLAHAN JAMES L · MILLER ARTHUR F
28 granted patents·563 citations·filing 1971–1987
97Inventor score
Top patents by PatentIndex Score
28 records- 0198US4042153ALiquid dropping deviceSTANDARD OIL CO·Filed 1975·Granted Aug 16, 1977·115 cites·3 claims
- 0294US4634502AProcess for the reductive deposition of polyoxometallatesSTANDARD OIL CO OHIO·Filed 1985·Granted Jan 6, 1987·81 cites·11 claims
- 0393US4280929AAttrition resistant-higher active component fluid bed catalystsSTANDARD OIL CO·Filed 1979·Granted Jul 28, 1981·30 cites·11 claims
- 0492US4065507APreparation of methacrylic derivatives from tertiary butyl-containing compoundsSTANDARD OIL CO·Filed 1976·Granted Dec 27, 1977·28 cites·5 claims
- 0590US4444906AMethod for the preparation of high activity phosphomolybdic acid based catalystsSTANDARD OIL CO OHIO·Filed 1982·Granted Apr 24, 1984·25 cites·20 claims
- 0690US4341717AReactor for contacting gases and a particulate solidSTANDARD OIL CO OHIO·Filed 1978·Granted Jul 27, 1982·24 cites·9 claims
- 0790US4152393AReactor for contacting gases and a particulate solidSTANDARD OIL CO OHIO·Filed 1977·Granted May 1, 1979·25 cites·11 claims
- 0885US4528398AMethod for the preparation of unsaturated carboxylic acid with high activity phosphomolybdic acid based catalystsSTANDARD OIL CO OHIO·Filed 1982·Granted Jul 9, 1985·19 cites·13 claims
- 0985US4303550AMethods for the regeneration of deactivated phosphomolybdic acid based catalystsSTANDARD OIL CO·Filed 1979·Granted Dec 1, 1981·27 cites·25 claims
- 1084US4470931ACombination fixed-fluid bed reactorSTANDARD OIL CO OHIO·Filed 1979·Granted Sep 11, 1984·15 cites·2 claims
- 1184US3932551AProcess for the preparation of diolefins from olefinsSTANDARD OIL CO OHIO·Filed 1973·Granted Jan 13, 1976·31 cites·7 claims
- 1283US4443555AMethod for the preparation of high activity phosphomolybdic acid based catalystsSTANDARD OIL CO OHIO·Filed 1982·Granted Apr 17, 1984·16 cites·21 claims
- 1369US3933751APromoted catalysts for the oxidation of olefinsSTANDARD OIL CO OHIO·Filed 1971·Granted Jan 20, 1976·20 cites·10 claims
- 1468US4323520APreparation of methacrylic derivatives from tertiary-butyl-containing compoundsSTANDARD OIL CO OHIO·Filed 1977·Granted Apr 6, 1982·7 cites·1 claims
- 1568US4309310ACatalytic composition for allylic oxidation of olefinsSTANDARD OIL CO·Filed 1980·Granted Jan 5, 1982·8 cites·6 claims
- 1665US4335056AProcessing acrylonitrile waste gasSTANDARD OIL CO·Filed 1981·Granted Jun 15, 1982·7 cites·5 claims
- 1763US4171454AOxidation process utilizing amphora catalystsSTANDARD OIL CO OHIO·Filed 1975·Granted Oct 16, 1979·14 cites·10 claims
- 1862US4877898AProcess for one step esterification using an intermetallic palladium based catalyst systemSTANDARD OIL CO OHIO·Filed 1986·Granted Oct 31, 1989·6 cites·9 claims
- 1961US4453006AOxidation of propylene or isobutylene with attrition resistant catalystsSTANDARD OIL CO OHIO·Filed 1981·Granted Jun 5, 1984·15 cites·3 claims
- 2058US4705675ASynthesis of molecular sieving metallosilicates using silica-transition metal oxide solsSTANDARD OIL CO OHIO·Filed 1984·Granted Nov 10, 1987·13 cites·30 claims
- 2151US3966639AAmphora aggregatesSTANDARD OIL CO·Filed 1974·Granted Jun 29, 1976·9 cites·3 claims
- 2249US4427792AIron-phosphorus mixed oxide catalysts and process for their preparationSTANDARD OIL CO OHIO·Filed 1981·Granted Jan 24, 1984·8 cites·17 claims
- 2341US4714695AMethod for the preparation of high activity palladium based catalystsSTANDARD OIL CO OHIO·Filed 1986·Granted Dec 22, 1987·6 cites·6 claims
- 2440US4623635AMethod for the preparation of high activity palladium based catalystsSTANDARD OIL CO OHIO·Filed 1985·Granted Nov 18, 1986·6 cites·15 claims
- 2536US4622424APreparation of acrylic acid and methacrylic acid in a combination fixed-fluid bed reactorSTANDARD OIL CO OHIO·Filed 1985·Granted Nov 11, 1986·4 cites·2 claims
- 2634US4315838ACatalyst preparation techniqueSTANDARD OIL CO·Filed 1978·Granted Feb 16, 1982·2 cites·11 claims
- 2725US4864057ADehydrogenation of carboxylic acids with mixed metal phosphorus oxide catalystsPEDERSEN S ERIK·Filed 1982·Granted Sep 5, 1989·1 cites·3 claims
- 2825US4742035AMixed metal phosphorus oxide catalysts for the oxidative dehydrogenation of carboxylic acidsSTANDARD OIL CO OHIO·Filed 1987·Granted May 3, 1988·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →