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David C. Dankworth
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Great Falls, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Reactor for carbon nanotube and nanofiber production
Patent number
11,629,056
Issue date
Apr 18, 2023
ExxonMobil Technology and Engineering Company
Ramesh Gupta
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Systems and processes for molten media pyrolysis
Patent number
11,591,212
Issue date
Feb 28, 2023
ExxonMobil Technology and Engineering Company
Ramesh Gupta
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Systems and processes for molten media pyrolysis
Patent number
11,577,955
Issue date
Feb 14, 2023
ExxonMobil Technology and Engineering Company
Ramesh Gupta
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Processing of heavy hydrocarbon feeds
Patent number
10,414,991
Issue date
Sep 17, 2019
ExxonMobil Research and Engineering Company
Benjamin S. Umansky
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for extending operating life of a fixed bed reactor
Patent number
6,846,469
Issue date
Jan 25, 2005
ExxonMobil Research and Engineering Company
Ramesh Gupta
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Control of flooding in a countercurrent flow reactor by use of temp...
Patent number
6,623,621
Issue date
Sep 23, 2003
ExxonMobil Research and Engineering Company
Larry L. Iaccino
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Three stage cocurrent liquid and vapor hydroprocessing
Patent number
6,054,041
Issue date
Apr 25, 2000
Exxon Research and Engineering Co.
Edward S. Ellis
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the continuous production of functionalized polymers
Patent number
6,037,445
Issue date
Mar 14, 2000
Exxon Chemical Patents, Inc.
David C. Dankworth
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Countercurrent reaction vessel
Patent number
6,007,787
Issue date
Dec 28, 1999
Exxon Research and Engineering Co.
Ramesh Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydroprocessing in a countercurrent reaction vessel
Patent number
5,985,131
Issue date
Nov 16, 1999
Exxon Research and Engineering Company
Ramesh Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Countercurrent reactor
Patent number
5,942,197
Issue date
Aug 24, 1999
Exxon Research and Engineering Co.
Ramesh Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Countercurrent reactor
Patent number
5,939,031
Issue date
Aug 17, 1999
Exxon Research and Engineering Co.
Edward S. Ellis
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dispersant additives and process
Patent number
5,936,041
Issue date
Aug 10, 1999
Exxon Chemical Patents Inc.
William B. Diana
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dispersants derived from heavy polyamine and second amine
Patent number
5,872,084
Issue date
Feb 16, 1999
Exxon Chemical Patents, Inc.
Jacob I. Emert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Lubricating oil dispersants derived from heavy polyamine
Patent number
5,854,186
Issue date
Dec 29, 1998
Exxon Chemical Patents, Inc.
Joseph V. Cusumano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dispersant additives and process
Patent number
5,804,667
Issue date
Sep 8, 1998
Exxon Chemical Patents Inc.
William B. Diana
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polymeric amides useful as additives in fuels...
Patent number
5,783,735
Issue date
Jul 21, 1998
Exxon Chemical Patents Inc.
Jacob I. Emert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dispersants derived from heavy polyamine and second amine
Patent number
5,756,431
Issue date
May 26, 1998
Exxon Chemical Patents Inc.
Jacob I. Emert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Continuous process for production of functionalized olefins
Patent number
5,650,536
Issue date
Jul 22, 1997
Exxon Chemical Patents Inc.
David C. Dankworth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Batch Koch carbonylation process
Patent number
5,646,332
Issue date
Jul 8, 1997
Exxon Chemical Patents Inc.
Joseph V. Cusumano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Derivatives of polyamines with one primary amine and secondary of t...
Patent number
5,643,859
Issue date
Jul 1, 1997
Exxon Chemical Patents Inc.
Antonio Gutierrez
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Amidation of ester functionalized hydrocarbon polymers
Patent number
5,627,259
Issue date
May 6, 1997
Exxon Chemical Patents Inc.
Warren A. Thaler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Mixed phase fixed bed reactor distributor
Patent number
5,403,561
Issue date
Apr 4, 1995
Exxon Research and Engineering Co.
Robert M. Koros
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
In-situ localized tracer injection/fiber optic detection for measur...
Patent number
5,354,990
Issue date
Oct 11, 1994
Exxon Research and Engineering Co.
David C. Dankworth
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Upgrading Pyrolysis Carbon
Publication number
20240425759
Publication date
Dec 26, 2024
ExxonMobil Technology and Engineering Company
Guang Cao
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
REVERSE FLOW REACTOR FOR AMMONIA CRACKING
Publication number
20240174516
Publication date
May 30, 2024
ExxonMobil Technology and Engineering Company
Everett J. O'NEAL
C01 - INORGANIC CHEMISTRY
Information
Patent Application
REVERSE FLOW REACTOR WITH INTEGRATED PARTIAL OXIDATION
Publication number
20240140792
Publication date
May 2, 2024
ExxonMobil Technology and Engineering Company
Everett J. O'NEAL
C01 - INORGANIC CHEMISTRY
Information
Patent Application
HYDROGEN GENERATION IN HIGH TEMPERATURE COUNTER-CURRENT REACTOR
Publication number
20240109775
Publication date
Apr 4, 2024
ExxonMobil Technology and Engineering Company
Everett J. O'Neal
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHANE PYROLYSIS USING STACKED FLUIDIZED BEDS WITH ELECTRIC HEATIN...
Publication number
20230391617
Publication date
Dec 7, 2023
ExxonMobil Technology and Engineering Company
Ramesh GUPTA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
REACTOR FOR CARBON NANOTUBE AND NANOFIBER PRODUCTION
Publication number
20220185670
Publication date
Jun 16, 2022
ExxonMobil Research and Engineering Company
Ramesh Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHANE PYROLYSIS USING STACKED FLUIDIZED BEDS
Publication number
20210331918
Publication date
Oct 28, 2021
ExxonMobil Research and Engineering Company
Ramesh Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POROUS WALL REACTOR FOR GENERATING HYDROGEN AND SOLID CARBON
Publication number
20210147229
Publication date
May 20, 2021
ExxonMobil Research and Engineering Company
Robert D. Kaminsky
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND PROCESSES FOR MOLTEN MEDIA PYROLYSIS
Publication number
20200071164
Publication date
Mar 5, 2020
ExxonMobil Research and Engineering Company
Ramesh Gupta
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND PROCESSES FOR MOLTEN MEDIA PYROLYSIS
Publication number
20200071162
Publication date
Mar 5, 2020
ExxonMobil Research and Engineering Company
Ramesh Gupta
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESSING OF HEAVY HYDROCARBON FEEDS
Publication number
20190359899
Publication date
Nov 28, 2019
ExxonMobil Research and Engineering Company
Benjamin S. UMANSKY
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESSING OF HEAVY HYDROCARBON FEEDS
Publication number
20190338203
Publication date
Nov 7, 2019
ExxonMobil Research and Engineering Company
Benjamin S. UMANSKY
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESSING OF HEAVY HYDROCARBON FEEDS
Publication number
20180002617
Publication date
Jan 4, 2018
ExxonMobil Research and Engineering Company
Benjamin S. UMANSKY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
REAL-TIME LEVEL MONITORING FOR FIXED BED CATALYST LOADING USING MUL...
Publication number
20150101406
Publication date
Apr 16, 2015
ExxonMobil Research and Engineering Company
YI EN HUANG
G01 - MEASURING TESTING
Information
Patent Application
FOULING TOLERANT FIXED BED REACTOR (LAW858)
Publication number
20020031459
Publication date
Mar 14, 2002
RAMESH GUPTA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL