Inventor
Tan-Jen Chen
Inventor
Kingwood, TX, US
Overview
Patents· 84 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds31%
C10GCracking hydrocarbon oils22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry19%
Y02PClimate change mitigation technologies in the production or processing of goods17%
B01DSeparation4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C01BNon-metallic elements2%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases1%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide1%
C12CBeer1%
PatentTitleYear
10,696,608Process for methylating aromatic hydrocarbons202010,259,765Process for making cyclohexanone201910,252,968Process for making cyclohexanone201910,246,387Process for selectivating catalyst for producing paraxylene by methylation of benzene and/or toluene201910,246,383Process for producing paraxylene by methylation of benzene and/or toluene201910,017,433Transalkylated cyclohexylbenzyl and biphenyl compounds20189,963,406Hydrocarbon conversion20189,896,393'Process for preparing dialkylbiphenyl isomer mixtures'20189,580,368'Dehydrogenation process'20179,555,403'Activation and use of hydroalkylation catalysts'20179,545,622'Activation and use of hydroalkylation catalysts'20179,469,580'Dehydrogenation process'20169,464,011'Process for making alkylated aromatic compound'20169,416,072'Selective hydrogenation of styrene to ethylbenzene'20169,364,819'Process for making alkylated aromatic compound'20169,365,467'Process of producing cyclohexylbenzene'20169,364,823'Activation and use of hydroalkylation catalysts'20169,353,024'Selective hydrogenation of styrene to ethylbenzene'20169,321,704'Cyclohexane dehydrogenation'20169,233,889'Hydroalkylation processes'20169,233,890'Process for producing phenol'20169,169,172'Hydrogenation process'20159,144,792'Hydroalkylating process'20159,061,270'Cyclohexanone dehydrogenation catalyst and process'20159,024,078'Dehydrogenation process'20158,969,639'Dehydrogenation process'20158,884,065'Process for producing cycloalkylaromatic compounds'20148,884,088'Dehydrogenation process'20148,802,907'Dehydrogenation process'20148,519,194'Process for producing cyclohexylbenzene'20138,487,140'Process for producing phenol'20138,329,956'Process for producing cyclohexylbenzene'20128,247,627'Process for producing phenol and/or cyclohexanone'20128,178,728'Process for producing cyclohexylbenzene'20128,106,243'Process for producing cyclohexylbenzene'20128,084,648'Process for producing cyclohexylbenzene'20117,910,779'Process for producing cyclohexylbenzene'20117,910,778'Process for producing cyclohexylbenzene'20117,906,685'Process for producing cyclohexylbenzene'20117,847,128'Process for producing cyclohexylbenzene'20107,700,816'Catalytic conversion of oxygenates to olefins'20107,692,046'Heterogeneous arylalkyl oxidation promoter'20107,615,143'Hydrothermally stable catalyst and its use in catalytic cracking'20097,425,258'C6 recycle for propylene generation in a fluid catalytic cracking unit'20087,326,332'Multi component catalyst and its use in catalytic cracking'20087,270,739'Fractionating and further cracking a C6 fraction from a naphtha feed for propylene generation'20077,267,759'Fractionating and further cracking a C6 fraction from a naphtha feed for propylene generation'20076,656,345'Hydrocarbon conversion to propylene with high silica medium pore zeolite catalysts'20036,652,737'Production of naphtha and light olefins'20036,429,348'Method for selectively producing propylene by catalytically cracking an olefinic hydrocarbon feedstock'20026,409,911'Silicoaluminophosphates having an AEL structure and their use as FCC catalysts'20026,388,152'Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process'20026,339,181'Multiple feed process for the production of propylene'20026,313,366'Process for selectively producing C3 olefins in a fluid catalytic cracking process'20016,306,790'Catalytic silicoaluminophosphates having an AEL structure, and their use in catalytic craking'20016,300,537'Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefins'20016,288,298'Naphtha cracking utilizing new catalytic silicoaluminophosphates having an AEL structure'20016,258,990'Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process from a naphtha/steam feed'20016,198,013'Toluene disproportionation process using a zeolite bound zeolite catalyst'20016,118,035'Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed'20006,093,867'Process for selectively producing C3 olefins in a fluid catalytic cracking process'20006,090,271'Enhanced olefin yields in a catalytic process with diolefins'20006,080,303'Zeolite catalyst activity enhancement by aluminum phosphate and phosphorus'20006,033,555'Sequential catalytic and thermal cracking for enhanced ethylene yield'20005,993,642'Hydrocarbon conversion process using a zeolite bound zeolite catalyst'19995,643,442'Membrane process for enhanced distillate or hydrotreated distillate aromatics reduction'19975,635,055'Membrane process for increasing conversion of catalytic cracking or thermal cracking units (LAW011)'19975,416,259'Feed pretreatment for pervaporation process'19955,318,695'Fluid cracking process for producing low emissions fuels'19945,288,712'Pervaporation process employing permeate recycle'19945,284,574'Improved integrated coking-gasification process with mitigation of slagging'19945,275,726'Spiral wound element for separation'19945,238,563'Multi-element housing'19935,230,801'Recovery of alcohols from n-paraffins by pervaporation'19935,182,024'Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane'19935,120,900'Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield'19925,107,056'Selective separation of naphthenes from paraffins by membrane extraction'19925,107,059'Iso/normal paraffin separation by membrane extraction'19925,107,058'Olefin/paraffin separation via membrane extraction'19925,095,171'Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation (OP-3602)'19925,094,737'Integrated coking-gasification process with mitigation of bogging and slagging'19925,095,170'Intergrated membrane pre-extraction/solvent extraction of distillates'19925,045,206'Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier'19915,039,394'Integrated coking-gasification process with mitigation of slagging'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2001Patents assigned to EXXON RESEARCH ENGINEERING CO (21)· patent assignee history
1991–1993Based in Clearwater, CA· patent location history
1992–1994Based in Baton Rouge, LA, US· patent location history
1995–2019Based in Kingwood, TX, US· patent location history
2001–2016Patents assigned to EXXONMOBIL CHEM PATENTS INC (38)· patent assignee history
2011–2017Patents assigned to CHEN TAN-JEN (17)· patent assignee history
2012–2016Patents assigned to HELTON TERRY E (7)· patent assignee history
2016–2020Patents assigned to EXXONMOBIL CHEMICAL PATENTS INC (14)· patent assignee history
2019–2020Based in Seattle, WA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXONMOBIL CHEM PATENTS INC | 38 | 2001–2016 |
| EXXON RESEARCH ENGINEERING CO | 21 | 1991–2001 |
| CHEN TAN-JENself | 17 | 2011–2017 |
| EXXONMOBIL CHEMICAL PATENTS INC | 14 | 2016–2020 |
| HELTON TERRY E | 7 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingwood, Texas, US | 65 | 1995–2019 |
| Clearwater, CA | 9 | 1991–1993 |
| Baton Rouge, LA, US | 7 | 1992–1994 |
| Seattle, Washington, US | 3 | 2019–2020 |