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Inventor

Timothy T. Wenzel

Inventor
Charleston, WV, US

Overview

60→
Patents
1992–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 60 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 bonds44%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
C08LCompositions of macromolecular compounds11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
Y10TTechnical subjects covered by former us classification5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C07CAcyclic or carbocyclic compounds1%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%
C08CTreatment or chemical modification of rubbers1%
PatentTitleYear
9,422,375'Non-cyclopentadienyl-based chromium catalysts for olefin polymerization'20169,296,836'Non-cyclopentadienyl-based chromium catalysts for olefin polymerization'20169,243,090'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20168,969,495'Processes of controlling molecular weight distribution in ethylene/α-olefin compositions'20158,785,551'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20148,710,143'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20148,557,921'Production of meta-block copolymers by polymer segment interchange'20138,530,579'Production of metathesis products by high melting polymer segment interchange'20138,415,434'Catalytic olefin block copolymers via polymerizable shuttling agent'20138,389,655'Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation'20138,362,162'Processes of controlling molecular weight distribution in ethylene/alpha-olefin compositions'20138,198,374'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20128,053,529'Catalytic olefin block copolymers with controlled block sequence distribution'20118,048,961'Production of metathesis products by amorphous polymer segment interchange'20117,989,551'Pseudo-block copolymers and process employing chain shuttling agent'20117,981,992'Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation'20117,956,132'Production of telechelic compounds by metathesis depolymerization'20117,951,882'Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation'20117,947,787'Control of polymer architecture and molecular weight distribution via multi-centered shuttling agent'20117,915,192'Catalyst composition comprising shuttling agent for ethylene copolymer formation'20117,858,706'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20107,858,707'Catalytic olefin block copolymers via polymerizable shuttling agent'20107,718,566'Olefin polymerization catalysts'20107,479,529'Fluoralcohol leaving group for non-metallocene olefin polymerization catalysts'20097,399,895'Aluminum phosphate-supported group 6 metal amide catalysts for oligomerization of ethylene'20087,384,884'Catalyst preparation method'20087,196,032'Fluoroalcohol leaving group for non-metallocene olefin polymerization catalysts'20077,163,991'Fluoroalcohol leaving group for non-metallocene olefin polymerization catalysts'20076,982,236'Process to polymerize olefins'20066,972,270'Catalyst modifiers and their use in the polymerization of olefin(s)'20056,967,184'Fluoroalcohol leaving group for non-metallocene olefin polymerization catalysts'20056,960,549'Catalyst modifiers and their use in the polymerization of olefin(s)'20056,956,094'Bimodal polyolefin'20056,956,089'Polymerization process'20056,861,483'Catalyst modifiers and their use in the polymerization of olefin(s)'20056,846,886'Polymerization process'20056,825,287'Polymerization process'20046,713,573'Catalyst modifiers and their use in the polymerization of olefin(s)'20046,689,847'Polymerization process'20046,656,866'Catalyst preparation method'20036,632,769'Catalyst modifier and its use in the polymerization of olefin(s)'20036,624,107'Transition metal catalyst compounds having deuterium substituted ligand and catalyst systems thereof'20036,610,803'Catalyst composition and methods for its preparation and use in a polymerization process'20036,608,149'Polymerization process'20036,605,675'Polymerization process'20036,562,921'Catalyst precursor compound and olefin polymerization process using same'20036,551,957'Catalyst composition and methods for its preparation and use in a polymerization process'20036,369,174'Catalyst modifier and its use in the polymerization of olefin(s)'20026,355,748'Polymerization of olefins with spirocyclic-metal complexes'20026,346,584'Catalyst modifiers and their use in the polymerization of olefins(s)'20026,326,445'Catalyst composition for the polymerization of olefins'20016,180,735'Catalyst composition and methods for its preparation and use in a polymerization process'20016,166,154'Olefin polymerization catalyst composition having increased activity'20006,100,212'Catalyst composition for the polymerization of olefins'20006,054,405'Catalyst composition for the polymerization of olefins'20005,977,270'Process using a rare earth metal catalyst for olefin polymerization'19995,912,202'Olefin polymerization catalyst composition having increased activity'19995,744,556'Gas phase polymerization employing unsupported catalysts'19985,744,415'Rare earth metal catalyst for olefin polymerization'19985,136,105'Oxidation of terminal olefins to aldehydes'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2008Patents assigned to UNION CARBIDE CHEM PLASTIC (11)· patent assignee history
1992–2016Based in Charleston, WV, US· patent location history
2002–2010Patents assigned to UNIVATION TECH LLC (26)· patent assignee history
2010–2016Based in Midland, MI, US· patent location history
2011–2016Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (20)· patent assignee history
2012–2016Patents assigned to WENZEL TIMOTHY T (9)· patent assignee history
2012–2014Patents assigned to ARRIOLA DANIEL J (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIVATION TECH LLC262002–2010
DOW GLOBAL TECHNOLOGIES LLC202011–2016
UNION CARBIDE CHEM PLASTIC111992–2008
WENZEL TIMOTHY Tself92012–2016
ARRIOLA DANIEL J72012–2014
Locations
LocationPatentsSpan
Charleston, WV, US451992–2016
Midland, MI, US152010–2016