Inventor · disambiguated record
Laughlin G. Mccullough
Also filed as: MCCULLOUGH LAUGHLIN G · MCCULLOUGH LAUGHLIN GERARD
48 granted patents·8 pending applications·923 citations·filing 1990–2023
98Inventor score
Files withEXXONMOBIL CHEMICAL PATENTS INC26UNIVATION TECH LLC16EXXONMOBIL CHEM PATENTS INC4EASTMAN CHEM CO3MCCULLOUGH LAUGHLIN G2
Top patents by PatentIndex Score
56 records- 0198US9809667B2Producing polyolefin productsUNIVATION TECH LLC·Filed 2015·Granted Nov 7, 2017·8 cites·20 claims
- 0298US7179876B2High tear films from hafnocene catalyzed polyethylenesUNIVATION TECH LLC·Filed 2005·Granted Feb 20, 2007·135 cites·19 claims
- 0398US7172816B2High tear films from hafnocene catalyzed polyethylenesUNIVATION TECH LLC·Filed 2005·Granted Feb 6, 2007·58 cites·8 claims
- 0497US11274196B2Polyethylene compositions and films prepared therefromEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Mar 15, 2022·13 cites·25 claims
- 0597US10808053B2Polyethylene compositions and articles made therefromEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Oct 20, 2020·10 cites·25 claims
- 0697US9376559B2Reverse staged impact copolymersEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Jun 28, 2016·64 cites·22 claims
- 0797US9068033B2Branched polyethylene with improved processing and high tear films made therefromEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Jun 30, 2015·30 cites·17 claims
- 0897US6936675B2High tear films from hafnocene catalyzed polyethylenesUNIVATION TECH LLC·Filed 2003·Granted Aug 30, 2005·115 cites·42 claims
- 0996US11712687B2Catalyst systems and polymerization processes for using the sameEXXONMOBIL CHEMICAL PATENTS INC·Filed 2020·Granted Aug 1, 2023·4 cites·18 claims
- 1096US10913808B2Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moietiesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Feb 9, 2021·9 cites·27 claims
- 1196US8227371B2Class of olefin metathesis catalysts, methods of preparation, and processes for the use thereofHOLTCAMP MATTHEW W·Filed 2010·Granted Jul 24, 2012·20 cites·51 claims
- 1295US11787881B2Polyethylene compositions and films prepared therefromEXXONMOBIL CHEMICAL PATENTS INC·Filed 2019·Granted Oct 17, 2023·7 cites·20 claims
- 1395US10723819B2Supported catalyst systems and processes for use thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Jul 28, 2020·7 cites·23 claims
- 1495US10189923B2Producing polyolefin productsUNIVATION TECH LLC·Filed 2017·Granted Jan 29, 2019·2 cites·19 claims
- 1595US9266910B2Asymmetric polypropylene catalystsEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Feb 23, 2016·19 cites·21 claims
- 1695US8227653B2Olefin oligomerization reaction processes exhibiting reduced foulingWEBER MICHAEL W·Filed 2009·Granted Jul 24, 2012·43 cites·17 claims
- 1795US6884748B2Process for producing fluorinated catalystsUNIVATION TECH LLC·Filed 2003·Granted Apr 26, 2005·76 cites·31 claims
- 1893US7132382B2Polymerization process using a metallocene catalyst systemUNIVATION TECH LLC·Filed 2005·Granted Nov 7, 2006·18 cites·20 claims
- 1992US11306162B2Metallocenes with two -Si-Si- bridgesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2020·Granted Apr 19, 2022·2 cites·47 claims
- 2091US10926250B2Catalyst systems and polymerization processes for using the sameEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Feb 23, 2021·4 cites·22 claims
- 2191US9266977B2Bridged metallocene compounds, catalyst systems and processes for polymerization therewithEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Feb 23, 2016·8 cites·38 claims
- 2290US11198747B2Catalyst systems including two hafnocene catalyst compoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2019·Granted Dec 14, 2021·3 cites·20 claims
- 2390US10717790B2Catalyst composition comprising fluorided support and processes for use thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Jul 21, 2020·3 cites·25 claims
- 2490US2023174694A1Method to prepare ethylene copolymersUNIVATION TECH LLC·Filed 2023·Application pending·0 cites
- 2589US10640583B2Catalyst composition comprising fluorided support and processes for use thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted May 5, 2020·3 cites·24 claims
- 2689US10414887B2Supported catalyst systems and methods of using sameEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Sep 17, 2019·3 cites·37 claims
- 2789US10351647B2Polymerization process using bridged metallocene compounds supported on organoaluminum treated layered silicate supportsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Jul 16, 2019·3 cites·30 claims
- 2889US6894131B2Polymerization process using a metallocene catalyst systemUNIVATION TECH LLC·Filed 2003·Granted May 17, 2005·27 cites·55 claims
- 2988US10822434B2Catalyst systems and polymerization processes for using the sameEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Nov 3, 2020·2 cites·25 claims
- 3086US10696758B2Group 4 catalyst compounds and process for use thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Jun 30, 2020·2 cites·22 claims
- 3185US5082956AIsomerization of epoxyalkenes to 2,5-dihydrofuransEASTMAN KODAK CO·Filed 1990·Granted Jan 21, 1992·43 cites·33 claims
- 3284US2019322780A1Method to prepare ethylene copolymersUNIVATION TECH LLC·Filed 2019·Application pending·0 cites
- 3382US6642400B2Linked metallocene complexes, catalyst systems, and olefin polymerization processes using sameUNIVATION TECH LLC·Filed 2001·Granted Nov 4, 2003·19 cites·32 claims
- 3480US2021024670A1Method to prepare ethylene copolymersUNIVATION TECH LLC·Filed 2020·Application pending·0 cites
- 3579US5962714AMonocyclopentadienyl transition metal catalyst and olefin polymerization processFiled 1996·Granted Oct 5, 1999·62 cites·20 claims
- 3678US6900154B2Methods of forming a supported activated catalyst compositionUNIVATION TECH LLC·Filed 2003·Granted May 31, 2005·12 cites·16 claims
- 3775US8404915B2Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizationsMCCULLOUGH LAUGHLIN G·Filed 2007·Granted Mar 26, 2013·4 cites·25 claims
- 3874US6632901B2Polymerization process using an improved bulky ligand metallocene-type catalyst systemUNIVATION TECH LLC·Filed 1998·Granted Oct 14, 2003·29 cites·22 claims
- 3973US7060765B2Low comonomer incorporating metallocene catalyst compoundsUNIVATION TECH LLC·Filed 2002·Granted Jun 13, 2006·11 cites·25 claims
- 4073US6890876B2Processes for producing fluorided catalysts from nitrogenous metallocenesUNIVATION TECH LLC·Filed 2003·Granted May 10, 2005·11 cites·42 claims
- 4169US7060766B2Methods of forming a supported activated catalyst compositionMCCULLOUGH LAUGHLIN G·Filed 2005·Granted Jun 13, 2006·2 cites·29 claims
- 4267US2025368760A1Constrained Geometry Metal-Ligand Complexes and Use Thereof in Olefin PolymerizationEXXONMOBIL CHEMICAL PATENTS INC·Filed 2023·Application pending·0 cites
- 4360US12338257B2Metallocenes and methods thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2020·Granted Jun 24, 2025·0 cites·19 claims
- 4459US5608034APolyether polymers derived from 3,4-epoxy-1-buteneEASTMAN CHEM CO·Filed 1995·Granted Mar 4, 1997·13 cites·4 claims
- 4559US2023322972A1Supported Catalyst Systems and Processes for Use ThereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2021·Application pending·0 cites
- 4656US6100414ACyclopentadienyl transition metal compounds useful as polymerization catalystsEASTMAN CHEM CO·Filed 1998·Granted Aug 8, 2000·12 cites·50 claims
- 4753US11369949B2Metallocenes with Si—Si bridgesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2019·Granted Jun 28, 2022·0 cites·47 claims
- 4853US10479846B2Hafnocene catalyst compounds and process for use thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2017·Granted Nov 19, 2019·0 cites·33 claims
- 4951US10882932B2Sterically hindered metallocenes, synthesis and useEXXONMOBIL CHEMICAL PATENTS INC·Filed 2017·Granted Jan 5, 2021·0 cites·33 claims
- 5051US2022025135A1Polyethylene FilmsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2019·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Laughlin G. Mccullough 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 →