Inventor

James R. Butler

Inventor
League City, TX, US

Overview

155→
Patents
1976–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 155 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds32%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry16%
Y02PClimate change mitigation technologies in the production or processing of goods11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
C08LCompositions of macromolecular compounds4%
C10GCracking hydrocarbon oils3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
C01BNon-metallic elements2%
B01DSeparation2%
PatentTitleYear
10,252,957Offgas stream direct contact condenser201910,016,735Method and apparatus for addition of an alkali metal promoter to a dehydrogenation catalyst201810,005,046Vaporization and transportation of alkali metal salts20189,650,313'Depolymerization of plastic materials'20179,650,317'Offgas stream direct contact condenser'20179,556,083'Processes for the reduction of alkylation catalyst deactivation utilizing low silica to alumina ratio catalyst'20179,556,084'Process for the reduction of alkylation catalyst deactivation utilizing low silica to alumina ratio catalyst'20179,469,576'Alkylation of benzene with a hydrocarbon gas'20169,394,492'Petrochemical processes'20169,375,706'Use of swing preliminary alkylation reactors'20169,272,962'Method for production of styrene from toluene and methanol'20169,249,277'Nano alumina or silica dispersed in polystyrene'20169,227,887'Process for the oxidative coupling of hydrocarbons'20169,138,706'Method and apparatus for addition of an alkali metal promoter to a dehydrogenation catalyst'20159,115,315'Petrochemical processes'20159,089,832'Catalysts for oxidative coupling of hydrocarbons'20159,012,708'Method for production of styrene from toluene and methane'20158,999,257'Offgas stream direct contact condenser'20158,981,004'Nano alumina or silica dispersed in polystyrene'20158,969,638'Depolymerizatin of plastic materials'20158,969,642'Method for providing a co-feed in the coupling of toluene with a carbon source'20158,912,381'Process for the oxidative coupling of methane'20148,865,958'Process for ethylbenzene production'20148,841,501'Rhenium promoted catalyst'20148,802,911'Process for ethylbenzene production'20148,796,498'Method for production of styrene from toluene and methane'20148,796,497'Process for the oxidative coupling of hydrocarbons'20148,785,705'Use of a co-feed in the coupling of toluene with a carbon source'20148,748,683'Dilute liquid phase alkylation'20148,742,190'Dilute ethylene alkylation of benzene'20148,734,737'Production of EB from toluene and methane'20148,729,328'Process for the oxidative coupling of hydrocarbons'20148,710,286'Oxidative coupling of hydrocarbons as heat source'20148,686,205'Method for production of styrene from toluene and methanol'20148,680,354'Process for the reduction of alkylation catalyst deactivation utilizing low silica to alumina ratio catalyst'20148,653,314'Method for providing a co-feed in the coupling of toluene with a carbon source'20148,653,187'Use of nano alumina or silica dispersed in polystyrene'20148,648,007'Vaporization and transportation of alkali metal salts'20148,618,181'Chemical production processes utilizing syngas from plasma pyrolysis'20138,552,238'Process for the reduction of alkylation catalyst deactivation'20138,546,287'Rhenium promoted catalyst'20138,524,969'Dehydrogenation reactions of hydrocarbons to alkenes'20138,455,383'Process for catalyst regeneration and extended use'20138,450,546'Process for the oxidative coupling of hydrocarbons'20138,426,661'Dilute liquid phase alkylation'20138,420,877'Process for ethylbenzene production'20138,318,999'Method of coupling a carbon source with toluene to form a styrene ethylbenzene'20128,314,282'Process for production of ethylbenzene from toluene and methane'20128,283,273'Promoters for controlling acidity and pore size of zeolite catalysts for use in alkylation'20128,269,053'Process for toluene and methane coupling in a microreactor'20128,258,359'Alkylation of toluene to form styrene and ethylbenzene'20128,212,095'Method for production of styrene from toluene and syngas'20128,187,346'Stabilization of pygas for storage'20128,178,738'Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons'20128,153,853'Processes using dividing wall distillation column'20128,134,036'Process for liquid phase alkylation'20128,076,527'Process for production of ethylbenzene from toluene and methane'20118,071,836'Process for toluene and methane coupling in a microreactor'20118,063,259'Toluene disproportionation using Nb/mordenite catalyst'20118,030,532'Method for production of styrene from toluene and syngas'20117,998,265'Asphalt compositions and the preparation thereof'20117,956,157'Processes using dividing wall distillation column'20117,919,661'Method for production of styrene from toluene and syngas'20117,824,485'Asphalt compositions and the preparation thereof'20107,718,837'Promotors for controlling acidity and pore size of zeolite catalysts for use in alkylation'20107,696,394'Treatment of alkylation catalyst poisons with dehydrogenation'20107,608,650'Bitumen/rubber compositions crosslinked with polythiomorpholines, polysulfides and/or mercaptobenzimidazole'20097,576,249'Toluene disproportionation process utilizing mild sulfiding during startup'20097,572,945'Toluene disproportionation catalyst'20097,569,741'Petrochemical feedstock purification'20097,544,239'Reduction of sulfur emissions from crude fractions'20097,507,385'Dehydrogenation process'20097,503,761'Method for reducing the formation of nitrogen oxides in steam generation'20097,495,139'Use of modified zeolite catalysts in alkylation systems'20097,419,929'Critical phase alkylation process'20087,405,336'Promoters for controlling acidity and pore size of zeolite catalysts for use in alkylation'20087,384,468'Asphalt/aggregate composition of enhanced adhesion'20087,371,911'Critical phase alkylation and transalkylation process in the presence of a beta zeolite'20087,341,624'Asphalt compositions and the preparation thereof'20087,293,983'Heating hydrocarbon process flow using flameless oxidation burners'20077,268,264'Critical phase alkylation process'20077,259,283'Alkylation and catalyst regenerative process'20077,186,765'Method for preparation of stable bitumen polymer compositions'20077,169,960'Dehydrogenation process'20077,060,863'Multistage reaction system with interstage sparger systems'20066,987,078'Alkylation and catalyst regenerative process'20066,972,047'Incorporation of gilsonite into asphalt compositions'20056,956,071'Use of alternate thiol accelerators for crosslinking rubber in asphalt'20056,936,743'Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons'20056,933,418'Critical phase alkylation process'20056,927,245'Dispersing agent and method for the delivery of cross-linking agent to polymer modified asphalt compositions'20056,897,346'Aromatic conversion process employing low surface area zeolite Y'20056,864,399'Silica-supported alkylation catalyst'20056,846,964'Method of conversion of heavy aromatics'20056,781,024'Dehydrogenation process'20046,767,939'Method for preparation of stable bitumen polymer compositions'20046,706,937'Conversion of aromatic hydrocarbons'20046,555,073'Catalytic reduction of phenylacetylene in a styrene stream'20036,504,076'Method of conversion of heavy aromatics'20036,486,371'Multistage reaction system with interstage sparger systems'20026,469,075'Method and preparation of stable bitumen polymer compositions'20026,469,223'Selective hydrogenation of dienes'20026,462,247'Toluene disproportionation process'20026,441,065'Method for preparation of stable bitumen polymer compositions'20026,407,152'Method for preparing asphalt and polymer compositions incorporating multi-component crosslinking agents'20026,380,449'Dehydrogenation process'20026,376,729'Multi-phase alkylation process'20026,344,136'Methods for reducing sulfur and carbon in petroleum refining processes'20026,310,122'Stable bitumen polymer compositions'20016,268,542'Multi-phase alkylation-transalkylation process'20016,268,305'Catalysts with low concentration of weak acid sites'20016,222,084'Gas phase alkylation-liquid phase transalkylation process'20016,180,697'Method for preparation of stable bitumen polymer compositions'20016,137,020'Alkylation process with reduced heavy residue'20006,096,937'Process for dehydrogenation of ethylbenzene to styrene'20006,090,991'Gas phase alkylation method and catalyst'20006,057,485'Gas phase alkylation with split load of catalyst'20005,997,727'Dewaxing with nickel-silicalite catalyst'19995,955,642'Gas phase alkylation-liquid transalkylation process'19995,847,255'Gas phase alkylation-liquid phase transalkylation process'19985,508,170'Liquid thromboplastin reagent'19965,475,180'Stable toluene disproportionation process'19955,358,853'Liquid thromboplastin reagent'19945,358,698'Apparatus for dehydrogenation of ethylbenzene to styrene'19945,196,623'Aromatic alkylation process employing zeolite omega catalyst'19935,156,816'System for purifying styrene monomer feedstock using ethylbenzene dehydrogenation waste gas'19925,073,653'Aromatic alkylation processes'19914,956,511'Toluene disproportionation process'19904,922,053'Process for ethylbenzene production'19904,917,789'Catalytic dewaxing process'19904,774,379'Aromatic alkylation process'19884,723,050'Xylene isomerization process'19884,723,051'Xylene isomerization process'19884,665,258'Toluene disproportionation process'19874,623,431'Polymerization inhibitor for vinyl aromatic compounds'19864,623,430'Polymerization inhibitor for vinyl aromatic compounds'19864,587,371'Hydrocarbon conversion of sulfur contaminated feed stock'19864,579,989'Conversion of olefins to higher molecular weight hydrocarbons with silicalite catalyst'19864,563,517'Polymer modification system for vinylaromatic monomer production apparatus'19864,538,017'Conversion of paraffins to aromatics'19854,520,220'Alkylation of aromatics employing silicalite catalysts'19854,490,570'Method for para selective alkylation employing silicalite catalysts'19844,489,214'Production of ortho-suppressed dialkyl benzenes'19844,468,343'Polymerization co-inhibitors for vinyl aromatic compounds'19844,466,905'Polymerization inhibition process for vinyl aromatic compounds'19844,466,904'Polymerization co-inhibitors for vinyl aromatic compounds'19844,452,975'Polymer modification system for vinylaromatic monomer production apparatus'19844,440,650'Process for enhancing recovery of oil from oil-bearing earth formations'19844,417,085'Process for the production of vinyltoluene'19834,400,570'Ethylbenzene production employing tea-silicate catalysts'19834,387,260'Alkylation of aromatic compounds with silicalite catalysts in the presence of steam'19834,226,599'Removal of heparin from heparin-containing blood plasma samples using a triethylaminoethyl cellulose tablet'19804,198,314'Removal of heparin from heparin-containing blood plasma samples using a triethylaminoethyl cellulose tablet'19804,002,739'Soluble collagen'19773,990,947'Composition for detecting fibrinogen, fibrinogen split products and fibrin split products'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1988Patents assigned to COSDEN TECHNOLOGY (21)· patent assignee history
1983–1990Based in Big Spring, TX, US· patent location history
1990–2019Patents assigned to FINA TECHNOLOGY (127)· patent assignee history
1990–2012Based in Houston, TX, US· patent location history
2004–2012Based in Friendswood, TX, US· patent location history
2008–2017Based in League City, TX, US· patent location history
2011–2015Patents assigned to BUTLER JAMES R (28)· patent assignee history
2011–2015Patents assigned to PELATI JOSEPH E (9)· patent assignee history
2012–2017Patents assigned to BUTLER JAMES (11)· patent assignee history
2012–2019Based in Spicewood, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FINA TECHNOLOGY1271990–2019
BUTLER JAMES Rself282011–2015
COSDEN TECHNOLOGY211983–1988
BUTLER JAMESself112012–2017
PELATI JOSEPH E92011–2015
Locations
LocationPatentsSpan
League City, Texas, US422008–2017
Houston, Texas, US381990–2012
Spicewood, Texas, US282012–2019
Big Spring, Texas, US211983–1990
Friendswood, Texas, US102004–2012