Inventor · disambiguated record
Timothy D. Shaffer
Also filed as: SHAFFER JR TIMOTHY D · SHAFFER TIMOTHY D · SHAFFER TIMOTHY DANIEL
60 granted patents·6 pending applications·1,037 citations·filing 1990–2025
99Inventor score
Files withEXXONMOBIL CHEM PATENTS INC23EXXON CHEMICAL PATENTS INC15EXXONMOBIL CHEMICAL PATENTS INC4EXXONMOBIL RES & ENG CO4EXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY4
Top patents by PatentIndex Score
66 records- 0197US7232872B2Polymerization processesEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Jun 19, 2007·77 cites·106 claims
- 0296US7214750B2Polymerization processesEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted May 8, 2007·53 cites·64 claims
- 0395US5506316ACarbocationic catalysts and process for using said catalystsEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Apr 9, 1996·104 cites·26 claims
- 0494US7414101B2Polymerization processesEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Aug 19, 2008·18 cites·35 claims
- 0594US7402636B1Method and apparatus for decreasing polymer depositionEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Jul 22, 2008·25 cites·38 claims
- 0694US6492473B1Mixed transition metal catalyst systems for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Dec 10, 2002·50 cites·57 claims
- 0792US6777584B2Selective coupling of terminal olefins with ethylene to manufacture linear α-olefinsEXXONMOBIL RES & ENG CO·Filed 2002·Granted Aug 17, 2004·25 cites·24 claims
- 0892US5350819ACarbocationic catalysts and process for using said catalystsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Sep 27, 1994·73 cites·27 claims
- 0991US7332554B2Polymers with new sequence distributionsEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Feb 19, 2008·23 cites·64 claims
- 1091US6194341B1Mixed transition metal catalyst systems for olefin polymerizationEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Feb 27, 2001·68 cites·17 claims
- 1189US5763556ACopolymers of ethylene and geminally disubstituted olefinsEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Jun 9, 1998·52 cites·13 claims
- 1287US8076524B2Process for generating alpha olefin comonomersLATTNER JAMES R·Filed 2007·Granted Dec 13, 2011·8 cites·46 claims
- 1387US7557170B2Method for reducing depositions in polymerization vesselsEXXONMOBIL CHEM PATENTS INC·Filed 2008·Granted Jul 7, 2009·10 cites·20 claims
- 1486US7723447B2Polymerization processesEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted May 25, 2010·24 cites·51 claims
- 1585US8119006B2Ethanol stable epoxy amine based membrane for aromatics separationPATIL ABHIMANYU O·Filed 2009·Granted Feb 21, 2012·15 cites·10 claims
- 1685US7423100B2Polymerization processesEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Sep 9, 2008·14 cites·60 claims
- 1784US7687672B2In-line process for generating comonomerEXXONMOBIL CHEM PATENTS INC·Filed 2006·Granted Mar 30, 2010·7 cites·20 claims
- 1884US7582715B2Polymers substantially free of long chain branchingEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Sep 1, 2009·12 cites·26 claims
- 1984US7491773B2Halogenated polymers with new sequence distributionsEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted Feb 17, 2009·12 cites·87 claims
- 2083US10138197B2Direct catalytic partial oxidation of allyl etherEXXONMOBIL RES & ENG CO·Filed 2018·Granted Nov 27, 2018·1 cites·15 claims
- 2183US5866665ACopolymers of ethylene and germinally disubstituted olefinsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Feb 2, 1999·35 cites·11 claims
- 2281US8765824B2Ethanol stable polyether epoxy based membrane for ethanol and aromatics separationSHAFFER TIMOTHY D·Filed 2012·Granted Jul 1, 2014·5 cites·5 claims
- 2381US5580935AFunctionalized polymer and method to obtain functionalized polymerEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Dec 3, 1996·40 cites·14 claims
- 2479US5418303ACarbocationic catalysts and process for using said catalystsEXXON CHEMICAL PATENTS INC·Filed 1994·Granted May 23, 1995·38 cites·16 claims
- 2578US7781547B2Reactor systems for use in polymerization processesEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted Aug 24, 2010·14 cites·41 claims
- 2677US7425601B2Polymers with new sequence distributionsEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Sep 16, 2008·13 cites·72 claims
- 2777US6008307AProcess for producing olefin polymers using cationic catalystsEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Dec 28, 1999·26 cites·36 claims
- 2875US7037989B2Copolymers of ethylene and/or α-olefins and vicinally disubstituted olefinsEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted May 2, 2006·12 cites·22 claims
- 2974US5250486APolyphenylene ether process and resin compositionGEN ELECTRIC·Filed 1991·Granted Oct 5, 1993·20 cites·15 claims
- 3071US5703183ACarbocationic catalysts and process for using said catalystsEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Dec 30, 1997·20 cites·15 claims
- 3170US7332555B2Polymers with new sequence distributionsEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted Feb 19, 2008·5 cites·91 claims
- 3270US5350726ACarbocationic catalysts and process for using said catalystsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Sep 27, 1994·23 cites·21 claims
- 3369US7982085B2In-line process for generating comonomerEXXONMOBIL CHEM PATENTS INC·Filed 2006·Granted Jul 19, 2011·1 cites·32 claims
- 3468US8178465B2Polydispersity-controlled isoolefin polymerization with polymorphogenatesSHAFFER TIMOTHY D·Filed 2011·Granted May 15, 2012·1 cites·24 claims
- 3568US5068310APolyphenylene ether process, catalyst and resin compositionGEN ELECTRIC·Filed 1990·Granted Nov 26, 1991·16 cites·20 claims
- 3667US8513367B2Mitigation of elastomer reactor fouling using mechanical vibrationSHAFFER TIMOTHY D·Filed 2011·Granted Aug 20, 2013·1 cites·9 claims
- 3767US7893176B2Polydispersity-controlled isoolefin polymerization with polymorphogenatesEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Feb 22, 2011·1 cites·26 claims
- 3867US6074978ACarbocationic catalysts and process for using said catalystsEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Jun 13, 2000·17 cites·13 claims
- 3965US6265486B1Triblock copolymers incorporating a styrene/isoolefin copolymer midblockEXXON MOBIL CHEM PATENTS INC·Filed 1998·Granted Jul 24, 2001·17 cites·14 claims
- 4064US6677441B2Cationic group 3 catalyst systemEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Jan 13, 2004·3 cites·104 claims
- 4164US2024392063A1Polyhydroxyalkanoate Copolymers Prepared by Ring-Opening Polymerization and Related Compositions and ArticlesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2022·Application pending·0 cites
- 4260US6699938B2Cationic catalysts and process for using said catalystsEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Mar 2, 2004·3 cites·16 claims
- 4360US6403773B1Cationic group 3 catalyst systemEXXON MOBIL CHEM PATENTS INC·Filed 1999·Granted Jun 11, 2002·12 cites·8 claims
- 4459US11059941B2Methods for preparing materials from polyaromatic heavy feedstocksEXXONMOBIL RES & ENG CO·Filed 2019·Granted Jul 13, 2021·0 cites·13 claims
- 4559US10781295B2Mooney viscosity stable brominated elastomersEXXONMOBIL CHEMICAL PATENTS INC·Filed 2014·Granted Sep 22, 2020·0 cites·4 claims
- 4659US8148450B2Process to produce a hydrocarbon rubber cement utilizing a hydrofluorocarbon diluentMCDONALD MICHAEL F·Filed 2006·Granted Apr 3, 2012·1 cites·75 claims
- 4758US5403803ACarbocationic catalyst and process for its useEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Apr 4, 1995·11 cites·31 claims
- 4858US2025326921A1Relating polymer molecular ensembles to polymer propertiesEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2025·Application pending·0 cites
- 4956US11919876B2Process and system to make olefin epoxidesEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2020·Granted Mar 5, 2024·0 cites·13 claims
- 5054US11827613B2Process and system to make olefin epoxidesEXXONMOBIL TECH ENGINEERING COMPANY·Filed 2020·Granted Nov 28, 2023·0 cites·5 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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