Inventor
O'BRIEN DENNIS E
US24 patents
⚠️ This page may combine multiple inventors who share the name “O'BRIEN DENNIS E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UOP LLC
12 patentsUS7267746B1Sep 11, 2007
Dividing wall distillation column control apparatus
UOP LLC81 citations95
US7687677B1Mar 30, 2010
Process for recovering thermal energy from a reactor effluent stream
UOP LLC20 citations92
US7528290B2May 5, 2009
Apparatuses and methods for separating butene-1 from a mixed C4 feed
UOP LLC32 citations92
US7339088B1Mar 4, 2008
Alkylbenzene refining process and apparatus
UOP LLC21 citations92
US6762334B1Jul 13, 2004
Alkylaromatic process with removal of aromatic byproducts using efficient distillation
UOP LLC42 citations92
US6483002B1Nov 19, 2002
Integrated fractional distillation for adsorptive separation process
UOP LLC29 citations92
US6417420B1Jul 9, 2002
Alkylaromatic process with removal of aromatic byproducts using efficient distillation
UOP LLC45 citations92
US6407303B1Jun 18, 2002
Isomerization process with adsorptive separation and integrated fractional distillation
UOP LLC36 citations92
US6479720B1Nov 12, 2002
Alkylaromatic process using efficient prefractionation
UOP LLC35 citations90
US6069285AMay 30, 2000
Alkylaromatic process using a solid alkylation catalyst and a benzene rectifier
UOP LLC46 citations90
US5983476ANov 16, 1999
Conversion of an HF alkylation unit
UOP LLC27 citations90
US6137021AOct 24, 2000
Conversion of an HF alkylation unit
UOP LLC1 citations49
UOP INC
6 patentsUS4384793AMay 24, 1983
Temperature profile monitoring method and apparatus
UOP INC46 citations92
US4381417AApr 26, 1983
Catalytic dehydrogenation process
UOP INC30 citations92
US4381418AApr 26, 1983
Catalytic dehydrogenation process
UOP INC30 citations92
US4333817AJun 8, 1982
Separation of normally gaseous hydrocarbons from a catalytic reforming effluent and recovery of purified hydrogen
UOP INC9 citations74
US4307063ADec 22, 1981
Fluid contacting apparatus
UOP INC11 citations74
US4364821ADec 21, 1982
Fluid contacting process
UOP INC5 citations63
EXXON PRODUCTION RESEARCH CO
3 patentsEXXON RESEARCH ENGINEERING CO
3 patentsUS4361658ANov 30, 1982
Process for polymeric gelation
EXXON RESEARCH ENGINEERING CO16 citations74
US4322329AMar 30, 1982
Process for controlled gelation of polymeric solution (C-971)
EXXON RESEARCH ENGINEERING CO16 citations74
US4282130AAug 4, 1981
Process for controlled gelation of polymeric solution (C-669)
EXXON RESEARCH ENGINEERING CO16 citations74