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Dennis E. O'Brien
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Arlington Heights, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process for recovering thermal energy from a reactor effluent stream
Patent number
7,687,677
Issue date
Mar 30, 2010
UOP LLC
Dennis E. O'Brien
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatuses and methods for separating butene-1 from a mixed C4 feed
Patent number
7,528,290
Issue date
May 5, 2009
UOP LLC
Joseph E. Zimmermann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylbenzene refining process and apparatus
Patent number
7,339,088
Issue date
Mar 4, 2008
UOP LLC
Dennis E. O'Brien
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dividing wall distillation column control apparatus
Patent number
7,267,746
Issue date
Sep 11, 2007
UOP LLC
James W. Harris
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Alkylaromatic process with removal of aromatic byproducts using eff...
Patent number
6,762,334
Issue date
Jul 13, 2004
UOP LLC
Douglas G. Stewart
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Integrated fractional distillation for adsorptive separation process
Patent number
6,483,002
Issue date
Nov 19, 2002
UOP LLC
Dennis E. O'Brien
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylaromatic process using efficient prefractionation
Patent number
6,479,720
Issue date
Nov 12, 2002
UOP LLC
Dennis E. O'Brien
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylaromatic process with removal of aromatic byproducts using eff...
Patent number
6,417,420
Issue date
Jul 9, 2002
UOP LLC
Douglas G. Stewart
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Isomerization process with adsorptive separation and integrated fra...
Patent number
6,407,303
Issue date
Jun 18, 2002
UOP LLC
Dennis E. O'Brien
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Conversion of an HF alkylation unit
Patent number
6,137,021
Issue date
Oct 24, 2000
UOP LLC
Steven F. Eshelman
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylaromatic process using a solid alkylation catalyst and a benze...
Patent number
6,069,285
Issue date
May 30, 2000
UOP LLC
Thomas R. Fritsch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Conversion of an HF alkylation unit
Patent number
5,983,476
Issue date
Nov 16, 1999
UOP LLC
Steven F. Eshelman
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalytic dehydrogenation process
Patent number
4,381,417
Issue date
Apr 26, 1983
UOP Inc.
Bipin V. Vora
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalytic dehydrogenation process
Patent number
4,381,418
Issue date
Apr 26, 1983
UOP Inc.
Steve A. Gewartowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluid contacting process
Patent number
4,364,821
Issue date
Dec 21, 1982
UOP Inc.
Dennis E. O'Brien
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Separation of normally gaseous hydrocarbons from a catalytic reform...
Patent number
4,333,817
Issue date
Jun 8, 1982
UOP Inc.
Dennis E. O'Brien
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fluid contacting apparatus
Patent number
4,307,063
Issue date
Dec 22, 1981
UOP Inc.
Dennis E. O'Brien
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and Methods for Separating Butene-1 from a Mixed C4 Feed
Publication number
20080161618
Publication date
Jul 3, 2008
Joseph E. Zimmermann
C07 - ORGANIC CHEMISTRY