Inventor · disambiguated record
Johannes Pieter Haan
Also filed as: HAAN JOHANNES · HAAN JOHANNES P · HAAN JOHANNES PIETER
3 granted patents·17 pending applications·26 citations·filing 1986–2023
65Inventor score
Top patents by PatentIndex Score
20 records- 0182US7501062B2Process for permeation enhanced reactive extraction of levulinic acidSHELL OIL CO·Filed 2006·Granted Mar 10, 2009·6 cites·20 claims
- 0266US2025084201A1Processes for polyether polyol purification and preparationSHELL USA INC·Filed 2023·Application pending·0 cites
- 0358US4748288AProcess for the separation of solvents from hydrocarbons dissolved in the solventsSHELL OIL CO·Filed 1986·Granted May 31, 1988·20 cites·19 claims
- 0453US2024325991A2Process for pre-treating renewable feedstocksSHELL OIL CO·Filed 2021·Application pending·0 cites
- 0551US2023374398A1Recovery of aliphatic hydrocarbonsSHELL OIL CO·Filed 2021·Application pending·0 cites
- 0650US2015166683A1Process for washing solid cellulosic biomass materialSHELL OIL CO·Filed 2014·Application pending·0 cites
- 0746US2007094919A1Fuel compositionsHAAN JOHANNES P·Filed 2006·Application pending·0 cites
- 0845US2021355388A1Process for removing catalyst fines by nanofiltrationSHELL OIL CO·Filed 2019·Application pending·0 cites
- 0944US2014330057A1Process for converting a biomass materialSHELL OIL CO·Filed 2014·Application pending·0 cites
- 1044US2007175090A1Fuel compositionsHAAN JOHANNES P·Filed 2006·Application pending·0 cites
- 1144US2014343333A1Process for converting a solid biomass materialSHELL OIL CO·Filed 2014·Application pending·0 cites
- 1243US2014325896A1Process for converting a biomass materialSHELL OIL CO·Filed 2014·Application pending·0 cites
- 1341US2019084907A1Process for recovering a metallic componentSHELL OIL CO·Filed 2017·Application pending·0 cites
- 1437US2013105356A1Method for upgrading an oil, a fuel product and a hydrocarbon product fractionSHELL OIL CO·Filed 2012·Application pending·0 cites
- 1535US2012329138A1Process for separation of a mixture containing a microbial substance and a liquidVAN KAATHOVEN HENRY·Filed 2011·Application pending·0 cites
- 1635US2014215903A1Process for separation of a mixture containing a microbial oil and microbial substanceDOIG STEVEN DANIEL·Filed 2011·Application pending·0 cites
- 1734US2013338384A1Process for the release of lipids from microalgaeBUS KARIN·Filed 2011·Application pending·0 cites
- 1834US2013337550A1Process for the extraction of lipidsBUS KARIN·Filed 2011·Application pending·0 cites
- 1931US2013232854A1Process for separating furfural from a liquid aqueous phase comprising furfural and one or more organic acidsHAAN JOHANNES PIETER·Filed 2011·Application pending·0 cites
- 2025US4810366AProcess for separating a fluid feed mixture containing hydrocarbon oil and an organic solventSHELL OIL CO·Filed 1987·Granted Mar 7, 1989·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →