Inventor · disambiguated record
M. Bruce Welch
Also filed as: FAHEY DARRYL R · WELCH M B · WELCH M BRUCE
120 granted patents·13 pending applications·4,712 citations·filing 1976–2008
99Inventor score
Files withPHILLIPS PETROLEUM CO108CONOCOPHILLIPS CO7BOEHMER INGRID1CAPSHEW CHARLES E1CONOCO PHILLIPS COMPANY1
Top patents by PatentIndex Score
133 records- 0198US5594078AProcess for producing broad molecular weight polyolefinPHILLIPS PETROLEUM CO·Filed 1994·Granted Jan 14, 1997·169 cites·47 claims
- 0298US5565592AVinly-substituted bridged metallocenesPHILLIPS PETROLEUM CO·Filed 1995·Granted Oct 15, 1996·171 cites·6 claims
- 0398US5498581AMethod for making and using a supported metallocene catalyst systemPHILLIPS PETROLEUM CO·Filed 1994·Granted Mar 12, 1996·219 cites·38 claims
- 0498US5436305AOrganometallic fluorenyl compounds, preparation, and usePHILLIPS PETROLEUM CO·Filed 1991·Granted Jul 25, 1995·213 cites·67 claims
- 0598US5420320AMethod for preparing cyclopentadienyl-type ligands and metallocene compoundsPHILLIPS PETROLEUM CO·Filed 1994·Granted May 30, 1995·116 cites·17 claims
- 0698US5399636AMetallocenes and processes therefor and therewithPHILLIPS PETROLEUM CO·Filed 1993·Granted Mar 21, 1995·243 cites·54 claims
- 0797US6458905B1Complexes of pyridldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalystsPHILLIPS PETROLEUM CO·Filed 2000·Granted Oct 1, 2002·74 cites·1 claims
- 0897US5668230AOlefin polymerizationPHILLIPS PETROLEUM CO·Filed 1996·Granted Sep 16, 1997·128 cites·18 claims
- 0997US5571880AOrganometallic fluorenyl compounds and use thereof in an alpha-olefin polymerization processPHILLIPS PETROLEUM CO·Filed 1994·Granted Nov 5, 1996·162 cites·22 claims
- 1097US5563284ACyclopentadienyl-type ligands, metallocenes, catalyst systems, preparation, and usePHILLIPS PETROLEUM CO·Filed 1994·Granted Oct 8, 1996·107 cites·9 claims
- 1197US5541272AHigh activity ethylene selective metallocenesPHILLIPS PETROLEUM CO·Filed 1994·Granted Jul 30, 1996·140 cites·19 claims
- 1297US5466766AMetallocenes and processes therefor and therewithPHILLIPS PETROLEUM CO·Filed 1993·Granted Nov 14, 1995·136 cites·29 claims
- 1397US5401817AOlefin polymerization using silyl-bridged metallocenesPHILLIPS PETROLEUM CO·Filed 1993·Granted Mar 28, 1995·146 cites·14 claims
- 1496US6509427B1Metallocenes, polymerization catalyst systems, their preparation, and usePHILLIPS PETROLEUM CO·Filed 2000·Granted Jan 21, 2003·75 cites·14 claims
- 1596US5770755AProcess to prepare polymeric metallocenesPHILLIPS PETROLEUM CO·Filed 1994·Granted Jun 23, 1998·73 cites·20 claims
- 1696US5654454AMetallocene preparation and usePHILLIPS PETROLEUM CO·Filed 1995·Granted Aug 5, 1997·119 cites·11 claims
- 1796US5631203AMetallocene compounds and preparation thereof containing terminal alkynesPHILLIPS PETROLEUM CO·Filed 1995·Granted May 20, 1997·111 cites·15 claims
- 1896US5631335AProcess of polymerizing olefins using diphenylsilyl or dimethyl tin bridged 1-methyl fluorenyl metallocenesPHILLIPS PETROLEUM CO·Filed 1993·Granted May 20, 1997·116 cites·15 claims
- 1996US5554795AProcess for preparing cyclopentadienyl-type ligandsPHILLIPS PETROLEUM CO·Filed 1995·Granted Sep 10, 1996·108 cites·8 claims
- 2096US5534473ACatalyst systems for producing broad molecular weight polyolefinPHILLIPS PETROLEUM CO·Filed 1995·Granted Jul 9, 1996·105 cites·8 claims
- 2196US5451649AOrganometallic fluorenyl compounds, preparation, and usePHILLIPS PETROLEUM CO·Filed 1994·Granted Sep 19, 1995·144 cites·38 claims
- 2295US5710224AMethod for producing polymer of ethylenePHILLIPS PETROLEUM CO·Filed 1995·Granted Jan 20, 1998·117 cites·25 claims
- 2395US5306775APolyethylene blendsPHILLIPS PETROLEUM CO·Filed 1993·Granted Apr 26, 1994·85 cites·10 claims
- 2494US5473020APolymer bound ligands, polymer bound metallocenes, catalyst systems, preparation, and usePHILLIPS PETROLEUM CO·Filed 1994·Granted Dec 5, 1995·63 cites·7 claims
- 2593US5492975APolymer bound metallocenesPHILLIPS PETROLEUM CO·Filed 1995·Granted Feb 20, 1996·60 cites·7 claims
- 2691US4547617AOlefin conversionPHILLIPS PETROLEUM CO·Filed 1984·Granted Oct 15, 1985·28 cites·8 claims
- 2790US6187880B1Process for producing an olefin polymer using a metallocenePHILLIPS PETROLEUM CO·Filed 1999·Granted Feb 13, 2001·58 cites·8 claims
- 2890US5780659ASubstituted indenyl unbridged metallocenesPHILLIPS PETROLEUM CO·Filed 1996·Granted Jul 14, 1998·49 cites·10 claims
- 2990US4325837ACatalyst, method of producing the catalyst, and polymerization process employing the catalystPHILLIPS PETROLEUM CO·Filed 1980·Granted Apr 20, 1982·71 cites·13 claims
- 3089US5319029APolyethylene blendsPHILLIPS PETROLEUM CO·Filed 1993·Granted Jun 7, 1994·51 cites·6 claims
- 3188US5886202ABridged fluorenyl/indenyl metallocenes and the use thereofFiled 1997·Granted Mar 23, 1999·61 cites·36 claims
- 3288US5627247AOrganometallic fluorenyl compounds and use thereof in olefin polymerizationPHILLIPS PETROLEUM CO·Filed 1995·Granted May 6, 1997·60 cites·48 claims
- 3388US5416179ACatalyst compositions and olefin polymerizationPHILLIPS PETROLEUM CO·Filed 1994·Granted May 16, 1995·66 cites·21 claims
- 3486US7902418B2Disproportionation of isopentaneCONOCOPHILLIPS CO·Filed 2007·Granted Mar 8, 2011·9 cites·30 claims
- 3586US6482905B1Unsymmetric unbridged bis-indenyl metallocenes and their usePHILLIPS PETROLEUM CO·Filed 2000·Granted Nov 19, 2002·21 cites·19 claims
- 3686US5459218ASyndiotactic polypropylene prepared using silyl bridged metallocenesPHILLIPS PETROLEUM CO·Filed 1994·Granted Oct 17, 1995·18 cites·10 claims
- 3786US5275992AOlefin polymerizationPHILLIPS PETROLEUM CO·Filed 1992·Granted Jan 4, 1994·45 cites·21 claims
- 3885US6914033B2Desulfurization and novel compositions for sameCONOCOPHILLIPS CO·Filed 2002·Granted Jul 5, 2005·28 cites·35 claims
- 3985US5705578AMethod for making and using a supported metallocene catalyst systemPHILLIPS PETROLEUM CO·Filed 1995·Granted Jan 6, 1998·89 cites·30 claims
- 4084US6262201B1Aryl substituted metallocene catalysts and their usePHILLIPS PETROLEUM CO·Filed 1999·Granted Jul 17, 2001·38 cites·19 claims
- 4184US5179178AOlefin polymerizationPHILLIPS PETROLEUM CO·Filed 1992·Granted Jan 12, 1993·50 cites·22 claims
- 4283US6355359B1Polyethylene filmPHILLIPS PETROLEUM CO·Filed 2000·Granted Mar 12, 2002·18 cites·20 claims
- 4383US5276115AMono-1-olefin polymerization in the presence of hydrogen and a cyclopentadienyl compoundPHILLIPS PETROLEUM CO·Filed 1992·Granted Jan 4, 1994·60 cites·13 claims
- 4480US5726264AProcesses to produce metallocene compounds and polymerization processes therewithPHILLIPS PETROLEUM CO·Filed 1996·Granted Mar 10, 1998·24 cites·10 claims
- 4580US4654461AProduction of high (Z,Z) content 1,5,9-tetradecatrienePHILLIPS PETROLEUM CO·Filed 1986·Granted Mar 31, 1987·15 cites·9 claims
- 4679US6153716APolyethylenes containing a unique distribution of short chain branchingPHILLIPS PETROLEUM CO·Filed 1998·Granted Nov 28, 2000·35 cites·36 claims
- 4775US7956227B2Oligomerization of hydrocarbonsCONOCOPHILLIPS CO·Filed 2007·Granted Jun 7, 2011·6 cites·24 claims
- 4874US7230128B2Organometallic fluorenyl compounds, preparations, and usePHILLIPS POTROLEUM COMPANY·Filed 2002·Granted Jun 12, 2007·11 cites·28 claims
- 4974US5610247AUnbridged metallocenes of 9-substituted fluorenyl compounds and use thereofPHILLIPS PETROLEUM CO·Filed 1995·Granted Mar 11, 1997·38 cites·36 claims
- 5073US5637744ABis fluorenyl metallocenes and use thereofPHILLIPS PETROLEUM CO·Filed 1995·Granted Jun 10, 1997·11 cites·5 claims
Showing the top 50 of 133 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →