Inventor · disambiguated record
Marcel Ropars
Also filed as: ROPARS MARCEL · ROPARS MARCEL P
12 granted patents·6 pending applications·60 citations·filing 1975–2021
87Inventor score
Files withROPARS MARCEL6IFP ENERGIES NOW5POUDRES & EXPLOSIFS STE NALE2IFP Enegies nouvelles1IFP Energies Nouvelles1
Top patents by PatentIndex Score
18 records- 0174US11453853B2Method for cleaning a solid support of a fermentation reactor comprising a contaminated polyurethane foamIFP ENERGIES NOW·Filed 2019·Granted Sep 27, 2022·1 cites·17 claims
- 0272US9453245B2Method for producing ethanol and solvents from lignocellulosic biomass including the recirculation of a butyl wine obtained by fermenting pentosesROPARS MARCEL·Filed 2012·Granted Sep 27, 2016·2 cites·8 claims
- 0371US3994862AThermosetting polymers and prepolymers and a process for making them by polycondensation of a pyridine having at least three methyl substituantsONERA (OFF NAT AEROSPATIALE)·Filed 1975·Granted Nov 30, 1976·17 cites·22 claims
- 0469US7666679B2Method and device for analyzing the CO2 contained in a drilling fluidINST FRANCAIS DU PETROLE·Filed 2004·Granted Feb 23, 2010·10 cites·12 claims
- 0568US6284358B1Textile preforms sheathed in a boron nitride coating, composites incorporating them and their preparationSNECMA·Filed 1997·Granted Sep 4, 2001·26 cites·17 claims
- 0656US2014242657A1Process for the production of alcohols and/or solvents from papermaking pulps with recycling of non-hydrolyzed vegetationROPARS MARCEL·Filed 2014·Application pending·0 cites
- 0754US2023265464A1Optimized ibe fermentation method for upgrading acetoneIFP ENERGIES NOW·Filed 2021·Application pending·0 cites
- 0853US2014242656A1Method for producing alcohols and/or solvents from paper pulps with recycling of the non-hydrolysated plant material in a regeneration reactorROPARS MARCEL·Filed 2014·Application pending·0 cites
- 0949US2013017585A1Process for the production of alcohols and/or solvents from papermaking pulps with recycling of non-hydrolyzed vegetationIFP Energies Nouvelles·Filed 2010·Application pending·0 cites
- 1048US9994874B2Method for producing alcohols and/or solvents from a biomass, including recirculating an internal flow including alcohols and/or solvents upstream from or within the pretreatmentIFP ENERGIES NOW·Filed 2013·Granted Jun 12, 2018·0 cites·15 claims
- 1144US2013017586A1Method for producing alcohols and/or solvents from paper pulps with recycling of the non-hydrolysated plant material in a regeneration reactorIFP Enegies nouvelles·Filed 2010·Application pending·0 cites
- 1244US2021340480A1Process for producing alcohols with clostridium on a solid supportIFP ENERGIES NOW·Filed 2019·Application pending·0 cites
- 1339US9758798B2Process for the production of ethanol and solvents from lignocellulosic biomass with recycling of an ethanolic liquor obtained from the fermentation of pentosesROPARS MARCEL·Filed 2012·Granted Sep 12, 2017·0 cites·12 claims
- 1437US9994873B2Process for the production of alcohols and/or solvents from lignocellulosic biomass with acid recycle of solid residuesROPARS MARCEL·Filed 2010·Granted Jun 12, 2018·0 cites·11 claims
- 1533US4525573AThermoset polymers and prepolymers obtained by polycondensation of alkyl pyridine with hydroxyl aromatic monoaldehydesPOUDRES & EXPLOSIFS STE NALE·Filed 1984·Granted Jun 25, 1985·2 cites·18 claims
- 1631US10253380B2Mutant strains of the genus Clostridium beijerinckiiIFP ENERGIES NOW·Filed 2016·Granted Apr 9, 2019·0 cites·13 claims
- 1731US8980595B2In situ production of furfural in a controlled amount in an alcohol production unit from a lignocellulosic biomassROPARS MARCEL·Filed 2010·Granted Mar 17, 2015·0 cites·20 claims
- 1831US4642264AThermoset polymers and prepolymers with rapid curing, obtained by polycondensation of pyridine derivatives and aromatic dialdehydes and adding of phenolic compoundsPOUDRES & EXPLOSIFS STE NALE·Filed 1984·Granted Feb 10, 1987·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →