Inventor
HOFFMANN FREDERIC
FR24 patents
⚠️ This page may combine multiple inventors who share the name “HOFFMANN FREDERIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INST FRANCAIS DU PETROLE
22 patentsUS6660895B1Dec 9, 2003
Process for the production of aromatic compounds in a moving bed including a reduction of the catalyst
INST FRANCAIS DU PETROLE32 citations92
US6454948B2Sep 24, 2002
Distributor-mixer-extractor of fluids and associated process
INST FRANCAIS DU PETROLE35 citations92
US5686049ANov 11, 1997
Heat exchange apparatus for solid particles for double regeneration in catalytic cracking
INST FRANCAIS DU PETROLE19 citations92
US5449496ASep 12, 1995
Downflow fluid catalytic cracking process and apparatus
INST FRANCAIS DU PETROLE20 citations92
US5344554ASep 6, 1994
Downflow fluid catalytic cracking process and apparatus
INST FRANCAIS DU PETROLE32 citations92
US6133183AOct 17, 2000
Process for regenerating a catalyst for the production of aromatic compounds or for reforming, with improved oxychlorination
INST FRANCAIS DU PETROLE20 citations91
US6048814AApr 11, 2000
Process and unit for regeneration of a catalyst for the production of aromatic compounds or for reforming
INST FRANCAIS DU PETROLE20 citations91
US4967843ANov 6, 1990
Device for producing an effluent contained in a submarine geological formation and production method employed using such a device
INST FRANCAIS DU PETROLE36 citations90
US6919048B2Jul 19, 2005
Thin multi-stage catalytic reactor with internal heat exchanger, and use thereof
INST FRANCAIS DU PETROLE14 citations84
US6426052B1Jul 30, 2002
Vessel for regenerating a catalyst for the production of aromatic compounds or for reforming, with improved oxychlorination
INST FRANCAIS DU PETROLE14 citations82
US6224762B1May 1, 2001
Distributor-mixer-extractor of fluids and associated process
INST FRANCAIS DU PETROLE9 citations73
US5324696AJun 28, 1994
Process and heat exchange apparatus for solid particles for double regeneration in catalytic cracking
INST FRANCAIS DU PETROLE15 citations73
US5286690AFeb 15, 1994
Method of heat exchange of solid particles for regeneration in catalytic cracking
INST FRANCAIS DU PETROLE19 citations73
US5120691AJun 9, 1992
Process for regulating or checking the thermal level of a pulverulent solid incorporating a heat exchanger with fluidized bed compartments
INST FRANCAIS DU PETROLE20 citations73
US6277335B1Aug 21, 2001
Process and unit for regeneration of a catalyst for the production of aromatic compounds or for reforming
INST FRANCAIS DU PETROLE13 citations72
US4860825AAug 29, 1989
Device for positioning a tool or instrument in a duct
INST FRANCAIS DU PETROLE19 citations71
US4723890AFeb 9, 1988
Articulated jet pump, usable more particularly in TFL technique for activating hydrocarbon or water producing wells
INST FRANCAIS DU PETROLE13 citations71
US6284939B1Sep 4, 2001
Process for liquid-phase conversion with a moving-bed catalyst using a stripper-lift
INST FRANCAIS DU PETROLE4 citations63
US7070742B2Jul 4, 2006
Reactor for chemical conversion of a feedstock in the presence of a diluent, with heat inputs and feedstock/catalyst cross-circulation
INST FRANCAIS DU PETROLE6 citations62
US6875338B2Apr 5, 2005
Process for endothermic conversion of hydrocarbons, its uses, and a unit for carrying out the process
INST FRANCAIS DU PETROLE6 citations62
US5773379AJun 30, 1998
Thermal regulation process for a solid in a heat exchanger using cylindrical tube surfaces
INST FRANCAIS DU PETROLE6 citations62
US6677494B2Jan 13, 2004
Process and device for the production of aromatic compounds including a reduction of the catalyst
INST FRANCAIS DU PETROLE0 citations51