Inventor · disambiguated record
Kenneth Lewtas
Also filed as: LEWTAS KENNETH
56 granted patents·5 pending applications·1,262 citations·filing 1979–2022
99Inventor score
Files withEXXONMOBIL CHEM PATENTS INC18EXXON CHEMICAL PATENTS INC17EXXON RESEARCH ENGINEERING CO10LEWTAS SCIENCE & TECH LTD4INFINEUM INT LTD3
Top patents by PatentIndex Score
61 records- 0198US8193289B2Polyolefin adhesive compositions and articles made therefromABHARI RAMIN·Filed 2009·Granted Jun 5, 2012·38 cites·20 claims
- 0298US6747114B2Polypropylene-based adhesive compositionsEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Jun 8, 2004·224 cites·17 claims
- 0397US7700707B2Polyolefin adhesive compositions and articles made therefromEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted Apr 20, 2010·70 cites·10 claims
- 0496US8383731B2Polypropylene-based adhesive compositionsEXXONMOBIL CHEM PATENTS INC·Filed 2009·Granted Feb 26, 2013·24 cites·15 claims
- 0596US6627723B2Adhesive alpha-olefin inter-polymersEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Sep 30, 2003·55 cites·48 claims
- 0694US7521507B2Polypropylene-based adhesive compositionsEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Apr 21, 2009·42 cites·11 claims
- 0794US4375973AAdditive combinations and fuels containing themEXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Mar 8, 1983·52 cites·12 claims
- 0893US7659337B2Elastomeric blend for air barriers comprising grafted resin componentsEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Feb 9, 2010·14 cites·21 claims
- 0991US5743923AOil additives and compositionsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Apr 28, 1998·66 cites·3 claims
- 1090US8431643B2Polyolefin adhesive compositions and method of making thereofRODRIGUEZ GEORGE·Filed 2010·Granted Apr 30, 2013·6 cites·18 claims
- 1190US4261703AAdditive combinations and fuels containing themEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Apr 14, 1981·39 cites·22 claims
- 1289US6100224ACopolymers of ethylene α-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuelsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Aug 8, 2000·66 cites·36 claims
- 1388US6479598B1Petroleum resins and their production with BF3 catalystEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Nov 12, 2002·28 cites·14 claims
- 1488US4464182AGlycol ester flow improver additive for distillate fuelsEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Aug 7, 1984·43 cites·25 claims
- 1586US7276557B2Adhesive components and process for manufactureEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Oct 2, 2007·22 cites·34 claims
- 1685US10100140B2Use of polymers comprising two segments as polymer additivesINTERFACE POLYMERS LTD·Filed 2017·Granted Oct 16, 2018·3 cites·15 claims
- 1784US4839074ASpecified C14 -carboxylate/vinyl ester polymer-containing compositions for lubricating oil flow improvementEXXON CHEMICAL PATENTS INC·Filed 1987·Granted Jun 13, 1989·41 cites·84 claims
- 1883US7294664B2Elastomeric blend for air barriers comprising grafted resin componentsEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Nov 13, 2007·18 cites·26 claims
- 1981US7288590B2Adhesives with improved die-cutting performanceDOW CHEMICAL CO·Filed 2001·Granted Oct 30, 2007·30 cites·9 claims
- 2080US9540583B2Additives for fuels and oils comprising Functionalised diblock copolmersINFINEUM INT LTD·Filed 2013·Granted Jan 10, 2017·2 cites·19 claims
- 2180US5425789AChemical compositions and their use as fuel additivesEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Jun 20, 1995·24 cites·12 claims
- 2280US4661121AMiddle distillate compositions with improved low temperature propertiesEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Apr 28, 1987·23 cites·14 claims
- 2379US6867267B2Petroleum resins and their production with BF3 catalystEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Mar 15, 2005·14 cites·14 claims
- 2477US6403743B1Petroleum resins and their production with supported catalystEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Jun 11, 2002·20 cites·15 claims
- 2577US4882034ACrude oil or fuel oil compositionsEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Nov 21, 1989·22 cites·25 claims
- 2675US9845375B2Additives for fuels and oils comprising functionalised diblock copolymersINFINEUM INT LTD·Filed 2016·Granted Dec 19, 2017·1 cites·24 claims
- 2775US5441545AMiddle distillate compositions with improved low temperature propertiesEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Aug 15, 1995·26 cites·7 claims
- 2874US10273426B2Additives for fuels and oils comprising functionalised diblock copolymersINFINEUM INT LTD·Filed 2016·Granted Apr 30, 2019·1 cites·19 claims
- 2973US7210339B2Adhesive compositions and method for selection thereofEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted May 1, 2007·11 cites·8 claims
- 3073US4481013ATwo component flow improver additive for middle distillate fuel oilsEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Nov 6, 1984·18 cites·10 claims
- 3171US5814110AChemical compositions and use as fuel additivesEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Sep 29, 1998·24 cites·13 claims
- 3271US4661122AMiddle distillate compositions with improved cold flow propertiesEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Apr 28, 1987·16 cites·17 claims
- 3369US6111027AAdhesives comprising copolymers of macromonomers and unsaturated acids or anhydridesEXXON CHEMICAL PATENTS INC·Filed 1998·Granted Aug 29, 2000·30 cites·43 claims
- 3468US8236878B2Composition and manufacture thereofLEWTAS KENNETH·Filed 2008·Granted Aug 7, 2012·3 cites·19 claims
- 3568US7495048B2Heat sealable compositions and uses thereofEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Feb 24, 2009·6 cites·9 claims
- 3668US7323239B2Protective filmsEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Jan 29, 2008·11 cites·22 claims
- 3768US6646067B2Petroleum resins and their production with BF3 catalystEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Nov 11, 2003·7 cites·18 claims
- 3866US7314901B2Polypropylene filmsEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Jan 1, 2008·5 cites·19 claims
- 3966US7067603B1Adhesive alpha-olefin inter-polymersEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Jun 27, 2006·5 cites·14 claims
- 4064US5503643ASubstituted fullerenes as flow improversEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Apr 2, 1996·15 cites·10 claims
- 4164US5454961ASubstituted fullerenes as flow improversEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Oct 3, 1995·15 cites·10 claims
- 4261US12268995B2Use of ultrasound and acoustics to control crystallisationLEWTAS SCIENCE & TECH LTD·Filed 2022·Granted Apr 8, 2025·0 cites·20 claims
- 4358US7765855B2Adhesive compositions and method for selection thereofEXXONMOBIL CHEM PATENTS INC·Filed 2006·Granted Aug 3, 2010·0 cites·6 claims
- 4456US12391631B2Relating to energetic materialsLEWTAS SCIENCE & TECH LTD·Filed 2018·Granted Aug 19, 2025·0 cites·5 claims
- 4552US4537602AAdditive concentrates for distillate fuelsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Aug 27, 1985·9 cites·20 claims
- 4651US4891145ALubricating oil compositionEXXON CHEMICAL PATENTS INC·Filed 1986·Granted Jan 2, 1990·10 cites·9 claims
- 4751US4810262AFuel compositionsEXXON CHEMICAL PATENTS INC·Filed 1986·Granted Mar 7, 1989·8 cites·23 claims
- 4851US4546137AAdditive combinations and fuels containing themEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Oct 8, 1985·8 cites·12 claims
- 4949US5011505AFlow improvers and cloud point depressantsEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Apr 30, 1991·10 cites·24 claims
- 5046US5487763AFuel compositionsEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Jan 30, 1996·11 cites·8 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kenneth Lewtas files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →