Inventor
QUIGNARD ALAIN
FR13 patents
⚠️ This page may combine multiple inventors who share the name “QUIGNARD ALAIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INST FRANCAIS DU PETROLE
3 patentsUS4498972AFeb 12, 1985
Hydrotreatment process for converting a heavy hydrocarbon fraction containing sulfur impurities and metal impurities to a lighter oil, in at least two steps
INST FRANCAIS DU PETROLE104 citations95
US6275775B1Aug 14, 2001
Method for determining at least one physico-chemical property of a petroleum fraction
INST FRANCAIS DU PETROLE47 citations86
US4533462AAug 6, 1985
Process for the treatment of highly viscous heavy oils at the oil field to effect desalting and transportability thereof
INST FRANCAIS DU PETROLE11 citations72
IFP ENERGIES NOW
3 patentsUS12371627B2Jul 29, 2025
Integrated method for processing pyrolysis oils of plastics and/or solid recovered fuels loaded with impurities
IFP ENERGIES NOW0 citations50
US12049591B2Jul 30, 2024
Bitumens comprising unconventional bitumen bases
IFP ENERGIES NOW0 citations49
US9644154B2May 9, 2017
Optimized method for recycling bio-oils into hydrocarbon fuels
IFP ENERGIES NOW0 citations40
IFP Energies Nouvelles
2 patentsUS9163180B2Oct 20, 2015
Process for the conversion of carbon-based material by a hybrid route combining direct liquefaction and indirect liquefaction in the presence of hydrogen resulting from non-fossil resources
IFP Energies Nouvelles17 citations84
US9074139B2Jul 7, 2015
Process for coal conversion comprising at least one step of liquefaction for the manufacture of aromatics
IFP Energies Nouvelles8 citations83