Inventor · disambiguated record
Dennis Hearn
Also filed as: HEARN DENNIS
40 granted patents·1,984 citations·filing 1982–2001
99Inventor score
Files withCHEMICAL RES & LICENSIN24CATALYTIC DISTILLATION TECH12ARGANBRIGHT ROBERT P1CHEMICAL RESEARCH & LICENING C1SMITH JR LAWRENCE A1
Top patents by PatentIndex Score
40 records- 0198US6169218B1Selective hydrogenation of highly unsaturated compounds in hydrocarbon streamsCATALYTIC DISTILLATION TECH·Filed 1997·Granted Jan 2, 2001·137 cites·78 claims
- 0298US5055627AProcess for the preparation of cumeneCHEMICAL RES & LICENSIN·Filed 1989·Granted Oct 8, 1991·93 cites·8 claims
- 0398US5003124AOligomerization processCHEMICAL RES & LICENSIN·Filed 1988·Granted Mar 26, 1991·87 cites·11 claims
- 0498US4447668AProcess for producing high purity isoolefins and dimers thereof by dissociation of ethersCHEMICAL RES & LICENSIN·Filed 1983·Granted May 8, 1984·99 cites·34 claims
- 0597US5877363AProcess for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streamsCATALYTIC DISTILLATION TECH·Filed 1996·Granted Mar 2, 1999·107 cites·17 claims
- 0697US5597476AGasoline desulfurization processCHEMICAL RES & LICENSIN·Filed 1995·Granted Jan 28, 1997·160 cites·13 claims
- 0797US5476978AProcess for the preparation of ethyl benzeneCHEMICAL RES & LICENSIN·Filed 1991·Granted Dec 19, 1995·85 cites·6 claims
- 0896US5266546ACatalytic distillation machineCHEMICAL RES & LICENSIN·Filed 1992·Granted Nov 30, 1993·121 cites·10 claims
- 0994US5684213AMethod for the preparation of dialkyl ethersCHEMICAL RES & LICENSIN·Filed 1996·Granted Nov 4, 1997·70 cites·22 claims
- 1094US4950803AEtherification processCHEMICAL RES & LICENSIN·Filed 1987·Granted Aug 21, 1990·41 cites·14 claims
- 1194US4950834AAlkylation of organic aromatic compounds in a dual bed systemARGANBRIGHT ROBERT P·Filed 1989·Granted Aug 21, 1990·74 cites·22 claims
- 1292US5595634AProcess for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streamsCHEMICAL RES & LICENSIN·Filed 1995·Granted Jan 21, 1997·89 cites·14 claims
- 1391US5510568AProcess for the removal of mercaptans and hydrogen sulfide from hydrocarbon streamsCHEMICAL RES & LICENSIN·Filed 1994·Granted Apr 23, 1996·64 cites·14 claims
- 1491US5431890ACatalytic distillation structureCHEMICAL RES & LICENSIN·Filed 1994·Granted Jul 11, 1995·79 cites·12 claims
- 1590US5773670AHydrogenation of unsaturated cyclic compoundsFiled 1995·Granted Jun 30, 1998·44 cites·18 claims
- 1690US5243115AAlkylation of organic aromatic compoundsCHEMICAL RES & LICENSIN·Filed 1991·Granted Sep 7, 1993·67 cites·40 claims
- 1787US6495732B1Olefin isomerization processCATALYTIC DISTILLATION TECH·Filed 2000·Granted Dec 17, 2002·18 cites·27 claims
- 1887US5122236AMethod for removal of dimethyl ether and methanol from c4 hydrocarbon streamsSMITH JR LAWRENCE A·Filed 1990·Granted Jun 16, 1992·30 cites·16 claims
- 1987US4510336ATransetherification methodCHEMICAL RES & LICENSIN·Filed 1982·Granted Apr 9, 1985·21 cites·14 claims
- 2083US5961815AHydroconversion processCATALYTIC DISTILLATION TECH·Filed 1996·Granted Oct 5, 1999·60 cites·15 claims
- 2182US5779883AHydrodesulfurization process utilizing a distillation column realtorCATALYTIC DISTILLATION TECH·Filed 1997·Granted Jul 14, 1998·58 cites·17 claims
- 2281US6440299B2Process for removal of mercaptans from hydrocarbon streamsCATALYTIC DISTILLATION TECH·Filed 2001·Granted Aug 27, 2002·29 cites·10 claims
- 2378US5807477AProcess for the treatment of light naphtha hydrocarbon streamsCATALYTIC DISTILLATION TECH·Filed 1996·Granted Sep 15, 1998·48 cites·13 claims
- 2478US5599997AProcess for the production of cyclohexyl amineCHEMICAL RES & LICENSIN·Filed 1995·Granted Feb 4, 1997·19 cites·14 claims
- 2577US5763714AProcess and apparatus for the production and recovery of p-xyleneCATALYTIC DISTILLATION TECH·Filed 1997·Granted Jun 9, 1998·18 cites·13 claims
- 2677US5321181AAlkylation of organic aromatic compoundsCHEMICAL RES & LICENSIN·Filed 1993·Granted Jun 14, 1994·15 cites·8 claims
- 2775US5856602ASelective hydrogenation of aromatics contained in hydrocarbon streamsCATALYTIC DISTILLATION TECH·Filed 1996·Granted Jan 5, 1999·30 cites·24 claims
- 2873US5792891AIntegrated process for the production of tameCATALYTIC DISTILLATION TECH·Filed 1997·Granted Aug 11, 1998·14 cites·15 claims
- 2970US5628880AEtherification--hydrogenation processCHEMICAL RES & LICENSIN·Filed 1996·Granted May 13, 1997·32 cites·17 claims
- 3070US5446231AMethod for removing contaminants from hydrocarbon streamsCHEMICAL RES & LICENSIN·Filed 1994·Granted Aug 29, 1995·25 cites·17 claims
- 3170US5176883AAlkylation of organic aromatic compoundsCHEMICAL RES & LICENSIN·Filed 1991·Granted Jan 5, 1993·32 cites·6 claims
- 3269US5629451AReduction of nitrile contaminants by selective hydrogenationCHEMICAL RES & LICENSIN·Filed 1994·Granted May 13, 1997·10 cites·16 claims
- 3366US5190730AReactor for exothermic reactionsCHEMICAL RES & LICENSIN·Filed 1991·Granted Mar 2, 1993·24 cites·7 claims
- 3466US4918243AHeat integration processCHEMICAL RES & LICENSIN·Filed 1988·Granted Apr 17, 1990·8 cites·8 claims
- 3562US5523062ACatalytic distillation distribution structureCHEMICAL RESEARCH & LICENING C·Filed 1994·Granted Jun 4, 1996·25 cites·4 claims
- 3659US6002058AProcess for the alkylation of benzeneCATALYTIC DISTILLATION TECH·Filed 1998·Granted Dec 14, 1999·19 cites·3 claims
- 3759US5894076AProcess for alkylation of benzeneCATALYTIC DISTILLATION TECH·Filed 1997·Granted Apr 13, 1999·19 cites·16 claims
- 3847US5679862AAmination processCHEMICAL RES & LICENSIN·Filed 1996·Granted Oct 21, 1997·3 cites·16 claims
- 3944US5177289AMethod for conducting exothermic reactionsCHEMICAL RES & LICENSIN·Filed 1991·Granted Jan 5, 1993·8 cites·5 claims
- 4041US5741930AReduction of nitrite contaminants by selective hydrogenationCHEMICAL RES & LICENSIN·Filed 1997·Granted Apr 21, 1998·2 cites·12 claims
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