Inventor · disambiguated record
Wilfried Weiss
Also filed as: WEISS WILFRIED
44 granted patents·21 pending applications·510 citations·filing 1987–2023
97Inventor score
Top patents by PatentIndex Score
65 records- 0198US9458396B2Process for conversion of feedstocks obtained from renewable sources based on marine fuelsIFP ENERGIES NOW·Filed 2013·Granted Oct 4, 2016·63 cites·10 claims
- 0297US9650580B2Integrated process for the treatment of oil feeds for the production of fuel oils with a low sulphur and sediment contentIFP ENERGIES NOW·Filed 2014·Granted May 16, 2017·86 cites·14 claims
- 0396US9896630B2Process for hydroconverting oil feeds in fixed beds for the production of low sulphur fuelsIFP ENERGIES NOW·Filed 2012·Granted Feb 20, 2018·62 cites·17 claims
- 0495US10266779B2Conversion process comprising at least one step for fixed bed hydrotreatment and a step for hydrocracking in by-passable reactorsIFP ENERGIES NOW·Filed 2017·Granted Apr 23, 2019·36 cites·15 claims
- 0595US9840674B2Process for converting petroleum feedstocks comprising an ebullating-bed hydrocracking stage, a maturation stage and a stage of separating the sediments for the production of fuel oils with a low sediment contentIFP ENERGIES NOW·Filed 2015·Granted Dec 12, 2017·74 cites·17 claims
- 0695US9834731B2Process for converting petroleum feedstocks comprising a stage of fixed-bed hydrotreatment, a stage of ebullating-bed hydrocracking, a stage of maturation and a stage of separation of the sediments for the production of fuel oils with a low sediment contentIFP ENERGIES NOW·Filed 2015·Granted Dec 5, 2017·37 cites·23 claims
- 0794US9163180B2Process 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 resourcesIFP Energies Nouvelles·Filed 2012·Granted Oct 20, 2015·17 cites·19 claims
- 0893US11421166B2Process for the production of fuels of heavy fuel type from a heavy hydrocarbon-containing feedstock using a separation between the hydrotreatment stage and the hydrocracking stageIFP ENERGIES NOW·Filed 2015·Granted Aug 23, 2022·10 cites·21 claims
- 0992US10597591B2Conversion process comprising permutable hydrodemetallization guard beds, a fixed-bed hydrotreatment step and a hydrocracking step in permutable reactorsIFP ENERGIES NOW·Filed 2017·Granted Mar 24, 2020·11 cites·15 claims
- 1088US8623102B2Process for direct hydorliquefaction of biomass comprising two stages of ebullating bed hydroconversionQUIGNARD ALAIN·Filed 2011·Granted Jan 7, 2014·13 cites·23 claims
- 1184US10843158B2Filtering and distribution device for catalytic reactorIFP ENERGIES NOW·Filed 2016·Granted Nov 24, 2020·3 cites·18 claims
- 1279US8916043B2Coal conversion process and products, comprising two direct ebullated bed liquefaction stages and a fixed bed hydrocracking stageCHARON NADEGE·Filed 2011·Granted Dec 23, 2014·8 cites·16 claims
- 1374US4895989AProcess for producing alkali metal alcoholatesMETALLGESELLSCHAFT AG·Filed 1988·Granted Jan 23, 1990·42 cites·9 claims
- 1472US10828632B2Method for compositional sorting of catalyst or adsorbent in mixtures of catalysts and/or adsorbentsEURECAT SA·Filed 2016·Granted Nov 10, 2020·1 cites·13 claims
- 1571US7794632B2Process for the preparation of pure aryllithium compounds and their useCHEMETALL GMBH·Filed 2007·Granted Sep 14, 2010·1 cites·18 claims
- 1670US2025367858A1Process for recycling used plastics based on polypropylene using a light hydrocarbon solventIFP ENERGIES NOW·Filed 2023·Application pending·0 cites
- 1764US2025361376A1Process for recycling used plastics using a light hydrocarbon solventIFP ENERGIES NOW·Filed 2023·Application pending·0 cites
- 1861US2025083360A1Method for treating waste plastics by polymer dissolution and purification by extractionIFP ENERGIES NOW·Filed 2021·Application pending·0 cites
- 1960US12049591B2Bitumens comprising unconventional bitumen basesIFP ENERGIES NOW·Filed 2021·Granted Jul 30, 2024·0 cites·17 claims
- 2060US6495064B2Ethyllithium in dibutyl etherCHEMETALL GMBH·Filed 2001·Granted Dec 17, 2002·3 cites·13 claims
- 2158US5677543ADissolved methyllithium-containing composition for use in synthesis reactionsMETALLGESELLSCHAFT AG·Filed 1995·Granted Oct 14, 1997·7 cites·13 claims
- 2257US7175784B2Method for the production of alkyl lithium compounds by using reduced pressureCHEMETALL GMBH·Filed 2002·Granted Feb 13, 2007·2 cites·21 claims
- 2355US6756024B2Method for preparing lithium amideCHEMETALL GMBH·Filed 2002·Granted Jun 29, 2004·2 cites·8 claims
- 2455US6492561B2Alkaline earth metal alkylene diamides, method for their production, and their useCHEMETALL GMBH·Filed 2002·Granted Dec 10, 2002·1 cites·13 claims
- 2555US2025051659A1Hydroconversion in an ebullated or hybrid ebullated/entrained bed of a feedstock comprising a plastic fractionIFP ENERGIES NOW·Filed 2022·Application pending·0 cites
- 2655US2024042650A1Method for treating used plastics by dissolving the polymers and purifying them by washingIFP ENERGIES NOW·Filed 2021·Application pending·0 cites
- 2755US2025197742A1Ebullated or hybrid ebullated-bed hydroconversion of a feedstock comprising a fraction of plastic pyrolysis oil and/or solid recovery fuelsIFP ENERGIES NOW·Filed 2023·Application pending·0 cites
- 2854US2025034465A1Process for the treatment of plastics pyrolysis oils including a hydrogenation stage and a hot separationIFP ENERGIES NOW·Filed 2022·Application pending·0 cites
- 2953US12371627B2Integrated method for processing pyrolysis oils of plastics and/or solid recovered fuels loaded with impuritiesIFP ENERGIES NOW·Filed 2022·Granted Jul 29, 2025·0 cites·15 claims
- 3053US12365843B2Optimized method for processing plastic pyrolysis oils for improving their useIFP ENERGIES NOW·Filed 2021·Granted Jul 22, 2025·0 cites·20 claims
- 3153US12365842B2Method for processing plastic pyrolysis oils with a view to their use in a steam-cracking unitIFP ENERGIES NOW·Filed 2020·Granted Jul 22, 2025·0 cites·19 claims
- 3253US2006091569A1Process for the preparation of pure aryllithium compounds and their useEMMEL UTE·Filed 2005·Application pending·0 cites
- 3353US2024051186A1Method for treating waste plastics by polymer dissolution and adsorption purificationIFP ENERGIES NOW·Filed 2021·Application pending·0 cites
- 3452US5019214ATwin-wire former for the production of a web of paperVOITH GMBH J M·Filed 1989·Granted May 28, 1991·11 cites·13 claims
- 3551US12338402B2Process for the preparation of olefins, comprising de-asphalting, hydrocracking and steam crackingIFP ENERGIES NOW·Filed 2020·Granted Jun 24, 2025·0 cites·14 claims
- 3650US12344805B2Process for the simultaneous processing of plastics pyrolysis oils and of a feedstock originating from renewable resourcesIFP ENERGIES NOW·Filed 2022·Granted Jul 1, 2025·0 cites·19 claims
- 3750US12098333B2Process for the preparation of olefins, involving de-asphalting, hydroconversion, hydrocracking and steam crackingIFP ENERGIES NOW·Filed 2020·Granted Sep 24, 2024·0 cites·14 claims
- 3850US11959030B2Process for the preparation of olefins, comprising hydrotreatment, de-asphalting, hydrocracking and steam crackingIFP ENERGIES NOW·Filed 2020·Granted Apr 16, 2024·0 cites·15 claims
- 3950US2023272293A1Method for processing pyrolysis oils from plastics and/or solid recovered fuels loaded with impuritiesIFP ENERGIES NOW·Filed 2021·Application pending·0 cites
- 4050US2025313765A1Method for treating plastic pyrolysis oil including an h2s recycling stepIFP ENERGIES NOW·Filed 2023·Application pending·0 cites
- 4149US10610844B2Removable basket for catalytic reactorIFP ENERGIES NOW·Filed 2018·Granted Apr 7, 2020·0 cites·14 claims
- 4248US12351764B2Method for the treatment of plastic pyrolysis oils including single-stage hydrocrackingIFP ENERGIES NOW·Filed 2021·Granted Jul 8, 2025·0 cites·14 claims
- 4348US2024400917A1Method for processing pyrolysis oils from plastics and/or solid recovered fuels, loaded with impuritiesIFP ENERGIES NOW·Filed 2022·Application pending·0 cites
- 4447US12344800B2Method, including a hydrogenation step, for treating plastic pyrolysis oilsIFP ENERGIES NOW·Filed 2021·Granted Jul 1, 2025·0 cites·15 claims
- 4547US5149889AComposition for use in organolithium synthesis reactionsMETALLGESELLSCHAFT AG·Filed 1990·Granted Sep 22, 1992·5 cites·12 claims
- 4647US2023287283A1Method for the treatment of plastic pyrolysis oils including two-stage hydrocrackingIFP ENERGIES NOW·Filed 2021·Application pending·0 cites
- 4746US6994838B2Process for the preparation of lithium aluminium hydride solutionsCHEMETALL GMBH·Filed 2003·Granted Feb 7, 2006·1 cites·9 claims
- 4845US4982017AComposition for use in organolithium synthesis reactionsMETALLGESELLSCHAFT AG·Filed 1989·Granted Jan 1, 1991·3 cites·8 claims
- 4944US2003155665A1Process for the preparation of pure aryllithium compounds and their useFiled 2002·Application pending·0 cites
- 5043US2014299515A1Process for conversion of petroleum feed comprising an ebullated bed hydroconversion step in a fixed bed hydrotreatment step for the production of low sulphur content fuelIFP Energies Nouvelles·Filed 2012·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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