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Paul K. Ladwig
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Centreville, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Product filtration system for slurry reactors
Patent number
8,022,109
Issue date
Sep 20, 2011
ExxonMobil Research and Engineering Company
David G. Hammond
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for selectively producing propylene in a fluid catalytic cr...
Patent number
6,803,494
Issue date
Oct 12, 2004
ExxonMobil Chemical Patents Inc.
Paul K. Ladwig
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for selectively producing high octane naphtha
Patent number
6,602,403
Issue date
Aug 5, 2003
ExxonMobil Chemical Patents Inc.
Todd R. Steffens
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for maintaining heat balance in a fluidized bed catalytic cr...
Patent number
6,558,531
Issue date
May 6, 2003
ExxonMobil Chemical Patents Inc.
Todd R. Steffens
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for selectively producing light olefins
Patent number
6,455,750
Issue date
Sep 24, 2002
ExxonMobil Chemical Patents Inc.
Todd R. Steffens
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for producing polypropylene from C3 olefins selectively pro...
Patent number
6,388,152
Issue date
May 14, 2002
ExxonMobil Chemical Patents Inc.
Paul K. Ladwig
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Multiple feed process for the production of propylene
Patent number
6,339,181
Issue date
Jan 15, 2002
ExxonMobil Chemical Patents, Inc.
Tan-Jen Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for producing polypropylene from C3 olefins selectively pro...
Patent number
6,339,180
Issue date
Jan 15, 2002
ExxonMobil Chemical Patents, Inc.
Paul K. Ladwig
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Naphtha cracking and hydroprocessing process for low emissions, hig...
Patent number
6,315,890
Issue date
Nov 13, 2001
ExxonMobil Chemical Patents Inc.
Paul K. Ladwig
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for selectively producing C3 olefins in a fluid catalytic c...
Patent number
6,313,366
Issue date
Nov 6, 2001
ExxonMobile Chemical Patents, Inc.
Paul K. Ladwig
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for producing polypropylene from C3 olefins selectively pro...
Patent number
6,258,257
Issue date
Jul 10, 2001
ExxonMobil Research and Engineering Company
George A. Swan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for obtaining olefins from residual feedstocks
Patent number
6,179,993
Issue date
Jan 30, 2001
Exxon Chemical Patents Inc.
Noel M. Seimandi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Combustion control in a fluid catalytic cracking regenerator
Patent number
6,114,265
Issue date
Sep 5, 2000
Exxon Research and Engineering Company
Todd R. Steffens
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Two stage fluid catalytic cracking process for selectively producin...
Patent number
6,106,697
Issue date
Aug 22, 2000
Exxon Research and Engineering Company
George A. Swan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for selectively producing C3 olefins in a fluid catalytic c...
Patent number
6,093,867
Issue date
Jul 25, 2000
Exxon Research and Engineering Company
Paul K. Ladwig
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for selectively producing light olefins in a fluid catalyti...
Patent number
6,069,287
Issue date
May 30, 2000
Exxon Research and Engineering Co.
Paul K. Ladwig
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Dual process for obtaining olefins
Patent number
5,952,539
Issue date
Sep 14, 1999
Exxon Chemical Patents Inc.
Noel M. Seimandi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Short contact time catalytic cracking process
Patent number
5,824,208
Issue date
Oct 20, 1998
Exxon Research and Engineering Company
Martin G. Bienstock
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for obtaining significant olefin yields from residua feedst...
Patent number
5,714,663
Issue date
Feb 3, 1998
Exxon Research and Engineering Company
Willibald Serrand
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for reducing piston deposits
Patent number
5,164,101
Issue date
Nov 17, 1992
Exxon Research and Engineering Co.
Darrell W. Brownawell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for rejuvenating lubricating oils
Patent number
5,069,799
Issue date
Dec 3, 1991
Exxon Research and Engineering Company
Darrell W. Brownawell
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method for reducing piston deposits
Patent number
5,068,044
Issue date
Nov 26, 1991
Exxon Research and Engineering Company
Darrell W. Brownawell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Low viscosity aromatic carbonate lubricating oil concentrates
Patent number
5,019,286
Issue date
May 28, 1991
Exxon Chemical Patents, Inc.
Gerald Shaw
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for reducing piston deposits
Patent number
4,906,389
Issue date
Mar 6, 1990
Exxon Research and Engineering Company
Darrell W. Brownawell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
Product filtration system for slurry reactors
Publication number
20100160459
Publication date
Jun 24, 2010
David G. Hammond
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for selectively producing light olefins
Publication number
20020169350
Publication date
Nov 14, 2002
Todd R. Steffens
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FCC process
Publication number
20010040118
Publication date
Nov 15, 2001
Eduardo Mon
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Method for maintaining heat balance in a fluidized bed catalytic cr...
Publication number
20010025806
Publication date
Oct 4, 2001
Todd R. Steffens
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...