Inventor · disambiguated record
John M. Larkin
Also filed as: CULLEN WILLIAM P · LARKIN JOHN · LARKIN JOHN M · LARKIN JOHN MICHAEL
54 granted patents·833 citations·filing 1971–2019
98Inventor score
Files withTEXACO INC34TEXACO CHEMICAL9HUNTSMAN SPEC CHEM CORP4LARKIN JOHN M2SAPPENFIELD CHRISTOPHER C2
Top patents by PatentIndex Score
54 records- 0197US4766245AProcess for the preparation of polyoxyalkylene polyaminesTEXACO INC·Filed 1985·Granted Aug 23, 1988·104 cites·19 claims
- 0296US4434308AManufacture of synthetic lubricant additives from internal olefins using boron trifluoride catalysisTEXACO INC·Filed 1982·Granted Feb 28, 1984·57 cites·23 claims
- 0394US5003107ACatalytic method for the reductive amination of poly(oxytetramethyle) glycolsTEXACO CHEMICAL·Filed 1989·Granted Mar 26, 1991·63 cites·7 claims
- 0492US5085793ACorrosion-inhibited antifreeze/coolant compositionTEXACO CHEMICAL·Filed 1990·Granted Feb 4, 1992·48 cites·14 claims
- 0591US5189233AProcess for the production of cyclohexane by liquid phase hydrogenation of benzeneTEXACO CHEMICAL·Filed 1991·Granted Feb 23, 1993·38 cites·1 claims
- 0691US4806517AMethod for making pelleted phosphated catalysts derived from group IVB transition metal oxides and catalysts thus preparedTEXACO INC·Filed 1987·Granted Feb 21, 1989·61 cites·43 claims
- 0791US4747851ANovel polyoxyalkylene diamine compound and ori-inhibited motor fuel compositionTEXACO INC·Filed 1987·Granted May 31, 1988·47 cites·20 claims
- 0890USD244430SDisplay boxLARKIN JOHN M·Filed 1974·Granted May 24, 1977·27 cites·1 claims
- 0989US4705903ACatalytic decomposition of impurities in tertiary butyl alcoholTEXACO INC·Filed 1986·Granted Nov 10, 1987·27 cites·6 claims
- 1087US4069226APreparation of acylisoxazolinesTEXACO INC·Filed 1976·Granted Jan 17, 1978·17 cites·8 claims
- 1185US4146560ACatalyst pellet stabilization in the preparation of polyamines from polynitrilesTEXACO DEVELOPMENT CORP·Filed 1977·Granted Mar 27, 1979·16 cites·18 claims
- 1281US4873380ACatalyst for removing peroxide contaminants from tertiary butyl alcoholTEXACO INC·Filed 1987·Granted Oct 10, 1989·16 cites·7 claims
- 1381US4540821AAminopolyols from sugarsTEXACO INC·Filed 1981·Granted Sep 10, 1985·15 cites·3 claims
- 1479US4810261AReaction product additive and ori-inhibited motor fuel compositionTEXACO INC·Filed 1988·Granted Mar 7, 1989·26 cites·28 claims
- 1579US4434309AOligomerization of predominantly low molecular weight olefins over boron trifluoride in the presence of a protonic promoterTEXACO INC·Filed 1982·Granted Feb 28, 1984·28 cites·20 claims
- 1678US4395578AOligomerization of olefins over boron trifluoride in the presence of a transition metal cation-containing promoterTEXACO INC·Filed 1982·Granted Jul 26, 1983·12 cites·47 claims
- 1777US5269956ACompatible corrosion inhibitor combinationsTEXACO CHEMICAL·Filed 1991·Granted Dec 14, 1993·33 cites·16 claims
- 1877US4417082AThermal treatment of olefin oligomers via a boron trifluoride process to increase their molecular weightTEXACO INC·Filed 1982·Granted Nov 22, 1983·12 cites·29 claims
- 1975US6063145AFuel compositions containing etheramine alkoxylatesHUNTSMAN SPEC CHEM CORP·Filed 1998·Granted May 16, 2000·14 cites·19 claims
- 2071US4978785AOxidation of polyoxypropylene glycols to acids and ketonesTEXACO CHEMICAL·Filed 1989·Granted Dec 18, 1990·10 cites·8 claims
- 2171US4588834AProcess for carbonylation of olefins to carboxylic acids and estersTEXACO INC·Filed 1984·Granted May 13, 1986·9 cites·17 claims
- 2271US4420647ASemi-synthetic lubricating oil compositionTEXACO INC·Filed 1982·Granted Dec 13, 1983·21 cites·23 claims
- 2367US5191139AProcess for oligomerizing olefins using sulfate-activated group IV oxidesTEXACO CHEMICAL·Filed 1991·Granted Mar 2, 1993·23 cites·15 claims
- 2463US6888030B2Advances in aminationHUNTSMAN SPEC CHEM CORP·Filed 2002·Granted May 3, 2005·5 cites·6 claims
- 2563US4137254APreparation of aromatic nitrilesTEXACO INC·Filed 1977·Granted Jan 30, 1979·5 cites·28 claims
- 2662US5616811AEtheramine alkoxylatesHUNTSMAN SPEC CHEM CORP·Filed 1995·Granted Apr 1, 1997·22 cites·8 claims
- 2762US5099073ACatalytic process for the production of diketone derivatives of polyoxypropylene glycolsTEXACO CHEMICAL·Filed 1991·Granted Mar 24, 1992·12 cites·2 claims
- 2859US4159996APreparation of alkane diaminesTEXACO INC·Filed 1977·Granted Jul 3, 1979·5 cites·25 claims
- 2958US4992590APolyamines by amination of polyamino initiated polyoxyalkylene glycolsTEXACO CHEMICAL·Filed 1989·Granted Feb 12, 1991·10 cites·8 claims
- 3057US4847417ABis(diaminopolyalkoxy)-N-alkylamines by amination of hydroxyl-containing tertiary aminesTEXACO INC·Filed 1988·Granted Jul 11, 1989·9 cites·5 claims
- 3153US9776409B2Fluidic ejection device with layers having different light sensitivitiesHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2014·Granted Oct 3, 2017·0 cites·15 claims
- 3251US4415755ANitriles and primary amines from primary alcoholsTEXACO INC·Filed 1981·Granted Nov 15, 1983·3 cites·8 claims
- 3348US5072050AKetone-terminated polyoxyalkylene compoundsTEXACO CHEMICAL·Filed 1990·Granted Dec 10, 1991·3 cites·14 claims
- 3448US4602062AConversion of polyvinyl alcohol to acrylic acid polymerTEXACO INC·Filed 1984·Granted Jul 22, 1986·6 cites·7 claims
- 3543US4980503AConversion of glycol formates to monocarboxylic acidsTEXACO INC·Filed 1986·Granted Dec 25, 1990·2 cites·20 claims
- 3642US4825000APhenyl glycidyl ether modified polyoxyalkylene diamines and epoxy resin compositions therefromTEXACO INC·Filed 1986·Granted Apr 25, 1989·4 cites·6 claims
- 3742US4124608APreparation of 2-oxoalkanoic acidsTEXACO INC·Filed 1977·Granted Nov 7, 1978·1 cites·35 claims
- 3841US4552862AStabilized hydrogenation catalyst and method of forming the catalystTEXACO INC·Filed 1983·Granted Nov 12, 1985·5 cites·5 claims
- 3941US3960953APreparation of acylhydroximyl halidesTEXACO INC·Filed 1974·Granted Jun 1, 1976·1 cites·20 claims
- 4040US4827038ABis(diaminopolyalkoxy)-N-alkylamines by amination of hydroxyl-containing tertiary aminesTEXACO INC·Filed 1987·Granted May 2, 1989·1 cites·2 claims
- 4140US4100086ADispersant and lube oils containing sameTEXACO INC·Filed 1976·Granted Jul 11, 1978·4 cites·7 claims
- 4239USD860652SHandheld deviceSAPPENFIELD CHRISTOPHER C·Filed 2016·Granted Sep 24, 2019·2 cites·1 claims
- 4337US10952411B2Method, system and apparatus for detecting when an animal is in heatBULLCALL LTD·Filed 2017·Granted Mar 23, 2021·0 cites·26 claims
- 4437US4831191ACatalytic conversion of allyl formate to carboxylic acidsTEXACO INC·Filed 1986·Granted May 16, 1989·1 cites·12 claims
- 4536USD925232SHandheld deviceSAPPENFIELD CHRISTOPHER C·Filed 2019·Granted Jul 20, 2021·1 cites·1 claims
- 4636US4089867APreparation of diacylfurazan oxidesTEXACO INC·Filed 1976·Granted May 16, 1978·5 cites·16 claims
- 4733US4038316APreparation of acylhydroximyl halidesTEXACO INC·Filed 1975·Granted Jul 26, 1977·0 cites·12 claims
- 4833US4028388APreparation of acidsTEXACO INC·Filed 1976·Granted Jun 7, 1977·0 cites·20 claims
- 4930US6093854AProcess for preparing alkanolamines from polyolefin epoxidesHUNTSMAN SPEC CHEM CORP·Filed 1999·Granted Jul 25, 2000·0 cites·27 claims
- 5030US4827039ANitrilo(tris)polyoxyalkyleneamines in a reaction injection molding processTEXACO INC·Filed 1987·Granted May 2, 1989·0 cites·4 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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