Inventor

Donna J. Crowther

Inventor

Seabrook, TX, US

Overview

1993–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 121 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 bonds36%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

C08LCompositions of macromolecular compounds6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C10LFuels not otherwise provided for4%

C10GCracking hydrocarbon oils4%

C10MLubricating compositions3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions2%

PatentTitleYear

11,111,325Polymerization processes2021 11,028,192Solution process to make ethylene copolymers2021 11,015,002Polymerization processes2021 10,975,174Catalysts for control of long chain branching2021 10,968,290Metallocene-catalyzed polyalpha-olefins2021 10,954,328Polymerization processes2021 10,947,329Catalyst systems and processes for using the same2021 10,882,932Sterically hindered metallocenes, synthesis and use2021 10,766,975Catalyst compositions and use thereof2020 10,723,819Supported catalyst systems and processes for use thereof2020 10,538,604Catalysts for control of long chain branching2020 10,280,234Catalyst compositions and use thereof2019 10,246,542Atactic polypropylene comb block polyolefins useful as modifiers in polyolefins and hydrocarbons2019 10,017,708Lubricant and fuel dispersants and methods of preparation thereof2018 9,982,081Cyclic olefin copolymers and methods of making them2018 9,815,926'Ethylene copolymers, methods for their production, and use'2017 9,777,231'Hydrohalogenation of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes'2017 9,744,500'Microporous polymeric membranes, battery separators, and production methods therefor'2017 9,745,528'Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes'2017 9,714,393'Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes'2017 9,663,727'Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processes'2017 9,657,116'Process of polyolefin functionalization'2017 9,617,482'Functionalized polymers containing polyamine succinimide for demulsification in hydrocarbon refining processes'2017 9,540,576'Hydrohalogenation of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes'2017 9,527,933'Branched polyethylenes by hydrosilation grafting to improve processability of polyethylene'2016 9,502,705'Microporous film, methods for making such film, and use for such film as battery separator film'2016 9,487,729'Functionalized polymers and oligomers as corrosion inhibitors and antiwear additives'2016 9,441,060'Ethylene copolymers, methods for their production, and use'2016 9,441,171'Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processes'2016 9,434,795'Production of vinyl terminated polyethylene using supported catalyst system'2016 9,416,206'Lubricating oil compositions and method for making them'2016 9,382,350'Friedel crafts alkylation of aromatics using vinyl terminated macromonomers'2016 9,376,512'Production of vinyl terminated polyethylene'2016 9,359,456'Catalytic hydroformylation of vinyl terminated polyolefins'2016 9,359,484'Processes for making polyolefin nanocomposites'2016 9,334,343'Hydrohalogenation of vinyl-terminated macromonomers and functionalized derivatives'2016 9,334,460'Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes'2016 9,295,950'Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film'2016 9,290,584'Polyalkylene carboxylic acid polyamine additives for fouling mitigation in hydrocarbon refining processes'2016 9,289,728'Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film'2016 9,284,387'Hydroamination of aldehyde-containing macromonomers'2016 9,273,163'Hydrosilation of vinyl-terminated macromonomers'2016 9,266,812'Comb polyolefin, process for making, and blends/compositions having same'2016 9,212,326'Hydrohalogenation of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes'2015 9,102,844'Metal polymeryls and the polymer solubilized surfaces derived therefrom'2015 9,085,737'Functionalized polymers containing polyamine succinimide for demulsification in hydrocarbon refining processes'2015 9,012,578'Blocky ethylene propylene copolymers and methods for making them'2015 8,993,702'Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers'2015 8,993,681'Dendritic ethylene polymers and processes for making'2015 8,951,409'Polyalkylene epoxy polyamine additives for fouling mitigation in hydrocarbon refining processes'2015 8,865,849'Polyethylene and process for production thereof'2014 8,840,996'Processes for making polyolefin nanocomposites'2014 8,841,397'Vinyl terminated higher olefin polymers and methods to produce thereof'2014 8,841,394'Vinyl terminated higher olefin copolymers and methods to produce thereof'2014 8,835,563'Block copolymers from silylated vinyl terminated macromers'2014 8,829,138'Polyethylene and process for production thereof'2014 8,816,027'Catalysts and methods of use thereof to produce vinyl terminated polymers'2014 8,796,376'Functionalized polymers and oligomers'2014 8,779,067'High vinyl terminated propylene based oligomers'2014 8,754,177'Polymerization process'2014 8,735,502'Functionalized high vinyl terminated propylene based oligomers'2014 8,709,641'Microporous membranes and methods for producing and using such membranes'2014 8,669,326'Amine functionalized polyolefin and methods for preparation thereof'2014 8,664,461'Catalysts for producing polyalpha-olefins and processes related thereto'2014 8,653,209'High vinyl terminated propylene based oligomers'2014 8,623,962'Olefin functionalization by metathesis reaction'2014 8,618,033'Ethylene copolymers, methods for their production, and use'2013 8,604,148'Functionalization of vinyl terminated polymers by ring opening cross metathesis'2013 8,580,902'Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom'2013 8,507,103'Polyethylene and process for production thereof'2013 8,501,894'Hydrosilyation of vinyl macromers with metallocenes'2013 8,455,597'Catalysts and methods of use thereof to produce vinyl terminated polymers'2013 8,436,114'Polyethylene and process for production thereof'2013 8,431,661'Polyethylene and process for production thereof'2013 8,431,662'Polymacromonomer and process for production thereof'2013 8,426,659'Vinyl terminated higher olefin polymers and methods to produce thereof'2013 8,399,725'Functionalized high vinyl terminated propylene based oligomers'2013 8,399,724'Vinyl terminated higher olefin copolymers and methods to produce thereof'2013 8,372,930'High vinyl terminated propylene based oligomers'2013 8,318,998'Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers'2012 8,283,428'Polymacromonomer and process for production thereof'2012 8,283,419'Olefin functionalization by metathesis reaction'2012 8,022,154'Ethylene polymers, their production and use'2011 7,985,816'Catalyst system and process for olefin polymerization'2011 7,943,700'Enhanced ESCR of HDPE resins'2011 7,829,495'Olefin polymerization process with alkyl-substituted metallocenes'2010 7,799,879'Catalyst system and process for olefin polymerization'2010 7,541,413'Olefin polymerization catalysts, their synthesis and use'2009 7,446,073'Catalyst compounds, catalyst systems thereof and their use in a polymerization process'2008 7,199,072'Process of producing a supported mixed catalyst system and polyolefins therefrom'2007 6,960,634'Methods for adjusting melt properties of metallocene catalyzed olefin copolymers'2005 6,890,876'Processes for producing fluorided catalysts from nitrogenous metallocenes'2005 6,818,585'Catalyst compounds, catalyst systems thereof and their use in a polymerization process'2004 6,806,220'High activity carbenium-activated polymerization catalysts'2004 6,800,704'Olefin polymerization process with alkyl-substituted metallocenes'2004 6,767,856'Transition metal olefin polymerization catalyst having cyclopropenyl derived ligands'2004 6,759,499'Olefin polymerization process with alkyl-substituted metallocenes'2004 6,713,574'Ethylene copolymerization process'2004 6,562,919'High activity carbenium-activated polymerization catalysts'2003 6,559,253'High temperature olefin polymerization process'2003 6,492,472'Mixed catalysts for use in a polymerization process'2002 6,489,413'Olefin polymerization process with alkyl-substituted metallocenes'2002 6,486,278'Ethylene copolymerization process'2002 6,486,088'High activity carbenium-activated polymerization catalysts'2002 6,388,115'Polymerization process for producing easier processing polymers'2002 6,339,134'Polymerization process for producing easier processing polymers'2002 6,329,477'Method for increasing diene conversion in EPDM type polymerizations'2001 6,319,998'Method for making polymer blends by using series reactors'2001 6,300,433'Olefin copolymerization process with bridged hafnocenes'2001 6,291,609'High temperature olefin polymerization process'2001 6,262,202'Noncoordinating anions for olefin polymerization'2001 6,218,488'Polymerization process for olefin copolymers using bridged hafnocene compounds'2001 6,207,606'Mixed catalysts and their use in a polymerization process'2001 6,034,192'Germanium bridged metallocenes producing polymers with increased melt strength'2000 6,025,512'Pentafulvene synthesis'2000 5,907,021'High temperature olefin polymerization process'1999 5,767,208'High temperature olefin polymerization process'1998 5,625,016'High temperature solution polymerization process'1997 5,504,049'Transition metal olefin polymerization catalysts'1996 5,502,124'Transition metal olefin polymerization processes'1996 5,214,173'Cyclopentadienyl dicarbollide complexes of titanium, zirconium and hafnium'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2010Based in Baytown, TX, US· patent location history

2001–2016Patents assigned to EXXONMOBIL CHEM PATENTS INC (57)· patent assignee history

2001–2021Based in Seabrook, TX, US· patent location history

2012–2017Patents assigned to CROWTHER DONNA J (37)· patent assignee history

2012–2017Patents assigned to BRANT PATRICK (27)· patent assignee history

2014–2017Patents assigned to EXXONMOBIL RES & ENG CO (16)· patent assignee history

2016–2021Patents assigned to EXXONMOBIL CHEMICAL PATENTS INC (19)· patent assignee history

2019–2021Based in Blairsville, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXXONMOBIL CHEM PATENTS INC	57	2001–2016
CROWTHER DONNA Jself	37	2012–2017
BRANT PATRICK	27	2012–2017
EXXONMOBIL CHEMICAL PATENTS INC	19	2016–2021
EXXONMOBIL RES & ENG CO	16	2014–2017

Locations

Location	Patents	Span
Seabrook, Texas, US	87	2001–2021
Baytown, Texas, US	24	1993–2010
Blairsville, Georgia, US	10	2019–2021