Inventor
HOVIS KEITH W
US24 patents
⚠️ This page may combine multiple inventors who share the name “HOVIS KEITH W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
16 patentsUS5767335AJun 16, 1998
Method for preventing the accumulation of light ASO in the alkylation catalyst of alkylation process system
PHILLIPS PETROLEUM CO12 citations73
US5759937AJun 2, 1998
Method for regeneration of a hydrogen fluoride alkylation catalyst containing sulfone, water, and ASO
PHILLIPS PETROLEUM CO16 citations73
US5209907AMay 11, 1993
Fluid flow control and isolation
PHILLIPS PETROLEUM CO7 citations73
US5021223AJun 4, 1991
Transfer of catalyst
PHILLIPS PETROLEUM CO7 citations73
US4677244AJun 30, 1987
Catalytic alkylation process and apparatus
PHILLIPS PETROLEUM CO12 citations71
US5146036ASep 8, 1992
Transfer of catalyst
PHILLIPS PETROLEUM CO6 citations62
US4962268AOct 9, 1990
Alkylation catalyst isolation
PHILLIPS PETROLEUM CO4 citations62
US5252295AOct 12, 1993
Control of HF alkylation propane stripper
PHILLIPS PETROLEUM CO2 citations61
US5157195AOct 20, 1992
Control of HF alkylation propane stripper
PHILLIPS PETROLEUM CO3 citations61
US4982036AJan 1, 1991
Transfer of acid catalyst
PHILLIPS PETROLEUM CO3 citations60
US6451173B1Sep 17, 2002
Separator system
PHILLIPS PETROLEUM CO1 citations52
US5753575AMay 19, 1998
Method for regenerating a hydrogen fluoride and sulfone alkylation catalyst
PHILLIPS PETROLEUM CO1 citations52
US5648587AJul 15, 1997
Method for separating sulfone from a hydrocarbon stream having a concentration of sulfone producing a dry sulfone product
PHILLIPS PETROLEUM CO1 citations52
US6245956B1Jun 12, 2001
Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfone
PHILLIPS PETROLEUM CO1 citations51
US5143703ASep 1, 1992
Fluid flow control and isolation
PHILLIPS PETROLEUM CO0 citations41
US5419873AMay 30, 1995
Apparatus for transfer of acid catalyst
PHILLIPS PETROLEUM CO0 citations39
UOP LLC
8 patentsUS7803979B2Sep 28, 2010
Method for removing water from an alkylation process system
UOP LLC7 citations72
US7446238B2Nov 4, 2008
Alkylation process with recontacting in settler
UOP LLC4 citations63
US7371918B2May 13, 2008
Alkylation process with settler effluent recycle
UOP LLC3 citations61
US7935320B2May 3, 2011
Alkylation process with recontacting in settler
UOP LLC1 citations52
US7842253B2Nov 30, 2010
Multi-zoned alkylation reactor with settler effluent recycle
UOP LLC1 citations50
US7972563B2Jul 5, 2011
Alkylation system with catalyst transfer
UOP LLC0 citations46
US7678957B2Mar 16, 2010
Alkylation process with catalyst transfer
UOP LLC0 citations46
US7906700B2Mar 15, 2011
Alkylation of isobutene feeds
UOP LLC0 citations41