Inventor
Laughlin G. McCullough
Inventor
League City, TX, US
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds34%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C08JWorking-up9%
C08LCompositions of macromolecular compounds8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
B29CShaping or joining of plastics3%
Y10TTechnical subjects covered by former us classification3%
C07CAcyclic or carbocyclic compounds2%
PatentTitleYear
10,926,250Catalyst systems and polymerization processes for using the same202110,913,808Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moieties202110,882,932Sterically hindered metallocenes, synthesis and use202110,822,434Catalyst systems and polymerization processes for using the same202010,808,053Polyethylene compositions and articles made therefrom202010,723,819Supported catalyst systems and processes for use thereof202010,717,790Catalyst composition comprising fluorided support and processes for use thereof202010,696,758Group 4 catalyst compounds and process for use thereof202010,640,583Catalyst composition comprising fluorided support and processes for use thereof202010,479,846Hafnocene catalyst compounds and process for use thereof201910,414,887Supported catalyst systems and methods of using same201910,351,647Polymerization process using bridged metallocene compounds supported on organoaluminum treated layered silicate supports201910,189,923Producing polyolefin products201910,087,268Catalysts for the formation of multimodal polymers20189,932,423Hydrogenation of annulated cyclopentadienyl metal complexes and metallocene catalysts comprising such20189,809,667'Producing polyolefin products'20179,376,559'Reverse staged impact copolymers'20169,266,977'Bridged metallocene compounds, catalyst systems and processes for polymerization therewith'20169,266,910'Asymmetric polypropylene catalysts'20169,068,033'Branched polyethylene with improved processing and high tear films made therefrom'20158,404,915'Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizations'20138,227,653'Olefin oligomerization reaction processes exhibiting reduced fouling'20128,227,371'Class of olefin metathesis catalysts, methods of preparation, and processes for the use thereof'20127,179,876'High tear films from hafnocene catalyzed polyethylenes'20077,172,816'High tear films from hafnocene catalyzed polyethylenes'20077,132,382'Polymerization process using a metallocene catalyst system'20067,060,765'Low comonomer incorporating metallocene catalyst compounds'20067,060,766'Methods of forming a supported activated catalyst composition'20066,936,675'High tear films from hafnocene catalyzed polyethylenes'20056,900,154'Methods of forming a supported activated catalyst composition'20056,894,131'Polymerization process using a metallocene catalyst system'20056,890,876'Processes for producing fluorided catalysts from nitrogenous metallocenes'20056,884,748'Process for producing fluorinated catalysts'20056,642,400'Linked metallocene complexes, catalyst systems, and olefin polymerization processes using same'20036,632,901'Polymerization process using an improved bulky ligand metallocene-type catalyst system'20036,271,322'Monocyclopentadienyl transition metal catalyst and olefin polymerization process'20016,100,414'Cyclopentadienyl transition metal compounds useful as polymerization catalysts'20005,962,714'Monocyclopentadienyl transition metal catalyst and olefin polymerization process'19995,652,328'Polyether polymers derived from 3,4-epoxy-1-butene and hydroxyl initiator'19975,608,034'Polyether polymers derived from 3,4-epoxy-1-butene'19975,082,956'Isomerization of epoxyalkenes to 2,5-dihydrofurans'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Based in Fairport, NY, US· patent location history
1997–2000Patents assigned to EASTMAN CHEM CO (3)· patent assignee history
1997–2001Based in Longview, TX, US· patent location history
2000–2021Based in League City, TX, US· patent location history
2003–2019Patents assigned to UNIVATION TECH LLC (13)· patent assignee history
2006–2013Patents assigned to MCCULLOUGH LAUGHLIN G (4)· patent assignee history
2012–2016Patents assigned to EXXONMOBIL CHEM PATENTS INC (7)· patent assignee history
2018–2021Patents assigned to EXXONMOBIL CHEMICAL PATENTS INC (14)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXONMOBIL CHEMICAL PATENTS INC | 14 | 2018–2021 |
| UNIVATION TECH LLC | 13 | 2003–2019 |
| EXXONMOBIL CHEM PATENTS INC | 7 | 2012–2016 |
| MCCULLOUGH LAUGHLIN Gself | 4 | 2006–2013 |
| EASTMAN CHEM CO | 3 | 1997–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| League City, Texas, US | 36 | 2000–2021 |
| Longview, Texas, US | 4 | 1997–2001 |
| Fairport, New York, US | 1 | 1992 |