Inventor · disambiguated record
Donna J. Crowther
Also filed as: CROWTHER DONNA J · CROWTHER DONNA JEAN
121 granted patents·13 pending applications·2,245 citations·filing 1991–2021
99Inventor score
Files withEXXONMOBIL CHEM PATENTS INC39EXXONMOBIL CHEMICAL PATENTS INC20UNIVATION TECH LLC18CROWTHER DONNA J10NG MAN KIT8
Top patents by PatentIndex Score
134 records- 0198US8372930B2High vinyl terminated propylene based oligomersEXXONMOBIL CHEM PATENTS INC·Filed 2008·Granted Feb 12, 2013·43 cites·74 claims
- 0298US7799879B2Catalyst system and process for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2008·Granted Sep 21, 2010·44 cites·25 claims
- 0397US8669326B2Amine functionalized polyolefin and methods for preparation thereofHAGADORN JOHN R·Filed 2011·Granted Mar 11, 2014·24 cites·24 claims
- 0497US8501894B2Hydrosilyation of vinyl macromers with metallocenesCROWTHER DONNA J·Filed 2011·Granted Aug 6, 2013·36 cites·5 claims
- 0597US8426659B2Vinyl terminated higher olefin polymers and methods to produce thereofHOLTCAMP MATTHEW W·Filed 2011·Granted Apr 23, 2013·28 cites·23 claims
- 0697US8399724B2Vinyl terminated higher olefin copolymers and methods to produce thereofCROWTHER DONNA J·Filed 2011·Granted Mar 19, 2013·26 cites·11 claims
- 0797US8399725B2Functionalized high vinyl terminated propylene based oligomersBRANT PATRICK·Filed 2009·Granted Mar 19, 2013·39 cites·63 claims
- 0897US8318998B2Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromersCROWTHER DONNA J·Filed 2011·Granted Nov 27, 2012·45 cites·32 claims
- 0997US6489413B1Olefin polymerization process with alkyl-substituted metallocenesEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Dec 3, 2002·62 cites·22 claims
- 1097US6319998B1Method for making polymer blends by using series reactorsEXXON MOBIL CHEM PATENTS INC·Filed 1999·Granted Nov 20, 2001·147 cites·52 claims
- 1197US6207606B1Mixed catalysts and their use in a polymerization processUNIVATION TECH LLC·Filed 1998·Granted Mar 27, 2001·250 cites·13 claims
- 1297US5767208AHigh temperature olefin polymerization processEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Jun 16, 1998·141 cites·13 claims
- 1397US5504049ATransition metal olefin polymerization catalystsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Apr 2, 1996·148 cites·30 claims
- 1497US5502124ATransition metal olefin polymerization processesEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Mar 26, 1996·134 cites·21 claims
- 1596US8841394B2Vinyl terminated higher olefin copolymers and methods to produce thereofEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Sep 23, 2014·19 cites·6 claims
- 1696US8835563B2Block copolymers from silylated vinyl terminated macromersCROWTHER DONNA J·Filed 2011·Granted Sep 16, 2014·28 cites·26 claims
- 1796US8283419B2Olefin functionalization by metathesis reactionHAGADORN JOHN R·Filed 2009·Granted Oct 9, 2012·30 cites·75 claims
- 1896US7985816B2Catalyst system and process for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2010·Granted Jul 26, 2011·18 cites·27 claims
- 1996US7829495B2Olefin polymerization process with alkyl-substituted metallocenesEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted Nov 9, 2010·45 cites·25 claims
- 2095US10723819B2Supported catalyst systems and processes for use thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Jul 28, 2020·7 cites·23 claims
- 2195US9273163B2Hydrosilation of vinyl-terminated macromonomersEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Mar 1, 2016·20 cites·12 claims
- 2295US8841397B2Vinyl terminated higher olefin polymers and methods to produce thereofEXXONMOBIL CHEM PATENTS INC·Filed 2012·Granted Sep 23, 2014·16 cites·22 claims
- 2395US8618033B2Ethylene copolymers, methods for their production, and useKOLB RAINER·Filed 2011·Granted Dec 31, 2013·14 cites·17 claims
- 2495US5907021AHigh temperature olefin polymerization processEXXON CHEMICAL PATENTS INC·Filed 1998·Granted May 25, 1999·100 cites·7 claims
- 2594US9982081B2Cyclic olefin copolymers and methods of making themEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted May 29, 2018·6 cites·11 claims
- 2694US8580902B2Catalyst system, process for olefin polymerization, and polymer compositions produced therefromCROWTHER DONNA J·Filed 2009·Granted Nov 12, 2013·22 cites·16 claims
- 2794US6492472B2Mixed catalysts for use in a polymerization processUNIVATION TECH LLC·Filed 2000·Granted Dec 10, 2002·41 cites·27 claims
- 2893US8816027B2Catalysts and methods of use thereof to produce vinyl terminated polymersEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Aug 26, 2014·21 cites·79 claims
- 2993US8455597B2Catalysts and methods of use thereof to produce vinyl terminated polymersCROWTHER DONNA J·Filed 2011·Granted Jun 4, 2013·14 cites·33 claims
- 3093US7199072B2Process of producing a supported mixed catalyst system and polyolefins therefromUNIVATION TECH LLC·Filed 2003·Granted Apr 3, 2007·38 cites·19 claims
- 3193US6339134B1Polymerization process for producing easier processing polymersUNIVATION TECH LLC·Filed 1999·Granted Jan 15, 2002·129 cites·24 claims
- 3292US10538604B2Catalysts for control of long chain branchingUNIVATION TECH LLC·Filed 2016·Granted Jan 21, 2020·4 cites·10 claims
- 3392US7541413B2Olefin polymerization catalysts, their synthesis and useEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Jun 2, 2009·18 cites·42 claims
- 3492US6388115B1Polymerization process for producing easier processing polymersUNIVATION TECH LLC·Filed 2001·Granted May 14, 2002·39 cites·5 claims
- 3592US6218488B1Polymerization process for olefin copolymers using bridged hafnocene compoundsEXXON MOBIL CHEM PATENTS INC·Filed 1999·Granted Apr 17, 2001·56 cites·19 claims
- 3691US8283428B2Polymacromonomer and process for production thereofBRANT PATRICK·Filed 2009·Granted Oct 9, 2012·14 cites·52 claims
- 3790US9815926B2Ethylene copolymers, methods for their production, and useEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Nov 14, 2017·2 cites·7 claims
- 3889US9441171B2Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processesEXXONMOBIL RES & ENG CO·Filed 2013·Granted Sep 13, 2016·6 cites·8 claims
- 3989US9416206B2Lubricating oil compositions and method for making themKOLB RAINER·Filed 2011·Granted Aug 16, 2016·4 cites·25 claims
- 4088US8993702B2Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromersEXXONMOBIL CHEM PATENTS INC·Filed 2012·Granted Mar 31, 2015·5 cites·25 claims
- 4187US9334460B2Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processesNG MANKIT·Filed 2013·Granted May 10, 2016·6 cites·19 claims
- 4286US10968290B2Metallocene-catalyzed polyalpha-olefinsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Apr 6, 2021·2 cites·19 claims
- 4386US8431661B2Polyethylene and process for production thereofCROWTHER DONNA J·Filed 2010·Granted Apr 30, 2013·6 cites·21 claims
- 4486US6300433B1Olefin copolymerization process with bridged hafnocenesEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Oct 9, 2001·36 cites·20 claims
- 4585US9540576B2Hydrohalogenation of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processesNG MAN KIT·Filed 2015·Granted Jan 10, 2017·2 cites·5 claims
- 4685US9487729B2Functionalized polymers and oligomers as corrosion inhibitors and antiwear additivesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2013·Granted Nov 8, 2016·4 cites·24 claims
- 4785US7943700B2Enhanced ESCR of HDPE resinsEXXONMOBIL CHEM PATENTS INC·Filed 2006·Granted May 17, 2011·7 cites·46 claims
- 4885US6806220B2High activity carbenium-activated polymerization catalystsEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Oct 19, 2004·12 cites·20 claims
- 4984US6818585B2Catalyst compounds, catalyst systems thereof and their use in a polymerization processUNIVATION TECH LLC·Filed 2001·Granted Nov 16, 2004·19 cites·1 claims
- 5083US10246542B2Atactic polypropylene comb block polyolefins useful as modifiers in polyolefins and hydrocarbonsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Apr 2, 2019·2 cites·15 claims
Showing the top 50 of 134 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →