Inventor · disambiguated record
Michael Merkel
Also filed as: MERKEL MICHAEL · MERKEL MICHAEL J
23 granted patents·16 pending applications·179 citations·filing 1997–2023
93Inventor score
Files withCOVESTRO DEUTSCHLAND AG14COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG6BAYER MATERIALSCIENCE AG5MERKEL MICHAEL5KNAUF THOMAS2
Top patents by PatentIndex Score
39 records- 0192US6117376AMethod of making foam-filled composite productsFiled 1997·Granted Sep 12, 2000·123 cites·8 claims
- 0291US9284256B2Process for the production of nitrobenzene by adiabatic nitrationBAYER MATERIALSCIENCE AG·Filed 2013·Granted Mar 15, 2016·6 cites·10 claims
- 0387US9260377B2Method for producing nitrobenzene by adiabatic nitridingBAYER MATERIALSCIENCE AG·Filed 2013·Granted Feb 16, 2016·5 cites·14 claims
- 0483US8484918B2Composite structural elements and method of making sameMERKEL MICHAEL J·Filed 2008·Granted Jul 16, 2013·9 cites·22 claims
- 0581US12151997B2Method for preparing an amine hydrochloride suspensionCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2023·Granted Nov 26, 2024·0 cites·10 claims
- 0681US9364810B2Chemical reactor with knitted wire mesh fabric as a holding device for particlesMERKEL MICHAEL·Filed 2011·Granted Jun 14, 2016·10 cites·26 claims
- 0779US11279670B2Process for separating an organic isocyanateCOVESTRO DEUTSCHLAND AG·Filed 2021·Granted Mar 22, 2022·1 cites·6 claims
- 0876US8753473B2Composite structural elements and method of making sameRTLR EQUITIES LLC·Filed 2013·Granted Jun 17, 2014·3 cites·8 claims
- 0975US9139510B2Process for preparing aromatic aminesMERKEL MICHAEL·Filed 2012·Granted Sep 22, 2015·2 cites·6 claims
- 1072US9469594B2Method for stopping a reaction during the production of aromatic amines from nitroaromaticsBAYER MATERIALSCIENCE AG·Filed 2013·Granted Oct 18, 2016·1 cites·10 claims
- 1171US9682917B2Method for treating a substance mixture comprising an aromatic amine, in particular a substance mixture of raw anilineBAYER MATERIALSCIENCE AG·Filed 2013·Granted Jun 20, 2017·1 cites·9 claims
- 1271US9290438B2Method for starting a reaction during the production of aromatic amines from nitroaromaticsBAYER MATERIALSCIENCE AG·Filed 2013·Granted Mar 22, 2016·1 cites·10 claims
- 1369US2024336554A1Method for the Removal of Water from and Transport of Aliphatic DiaminesCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 1468US9266094B2Catalyst and method for producing aromatic amines in the gas phaseMERKEL MICHAEL·Filed 2012·Granted Feb 23, 2016·1 cites·7 claims
- 1568US9012700B2Method for continuous production of nitrobenzeneKNAUF THOMAS·Filed 2012·Granted Apr 21, 2015·1 cites·11 claims
- 1663US2024343674A1Obtaining Aliphatic Amines from CompositionsCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 1762US2020392074A1Method for preparing an amine hydrochloride suspensionCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 1862US2024336555A1Method for the Processing and Transport of Hexane-1,6-Diamine or Pentane-1,5-DiamineCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 1961US11795260B2Bulk material comprising solid diisocyanates and prepolymers containing urethane groups obtainable therefromCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Oct 24, 2023·0 cites·4 claims
- 2056US10919845B2Cleaning device for gas flows from isocyanate productionCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Feb 16, 2021·0 cites·8 claims
- 2156US2024279162A1Reactor and Process for Preparing IsocyanatesCOVESTRO LLC·Filed 2022·Application pending·0 cites
- 2256US2022267500A1Distillation of polyisocyanatesCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 2355US12509419B2Process for the distillation of isocyanatesCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Dec 30, 2025·0 cites·13 claims
- 2455US6331585B1Formulations for making protective paints and coatingsFiled 1999·Granted Dec 18, 2001·13 cites·16 claims
- 2555US2025154097A1Method for producing isocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2023·Application pending·0 cites
- 2655US2025129017A1Method for preparing isocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2023·Application pending·0 cites
- 2749US10889539B2Aniline purification processCOVESTRO DEUTSCHLAND AG·Filed 2019·Granted Jan 12, 2021·0 cites·15 claims
- 2847US11174222B2Multistep process for the preparation of diisocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Nov 16, 2021·0 cites·14 claims
- 2946US10843927B2Energy-efficient method for providing a purified phosgene vaporCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Nov 24, 2020·0 cites·14 claims
- 3045US9447021B2Process for the purification of aniline from gas phase hydrogenationsBAYER IP GMBH·Filed 2013·Granted Sep 20, 2016·0 cites·12 claims
- 3145US2021284787A1Process for preparing polyisocyanates containing urethane groupsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Application pending·0 cites
- 3244US2020277254A1Multistep process for the preparation of hexamethylene diisocyanate, pentamethylene diisocyanate or toluene diisocyanateCOVESTRO DEUTSCHLAND AG·Filed 2018·Application pending·0 cites
- 3343US2006175730A1Method of manufacturing composite panelsMERKEL COMPOSITE TECHNOLOGIES·Filed 2005·Application pending·0 cites
- 3442US8560936B2Methods and computer systems for displaying time variant tabular dataMERKEL MICHAEL·Filed 2002·Granted Oct 15, 2013·2 cites·16 claims
- 3540US2021024459A1Method for recovering diisocyanates from distillation residuesCOVESTRO DEUTSCHLAND AG·Filed 2019·Application pending·0 cites
- 3640US2020369601A1Process for the preparation of di- or polyformamidesCOVESTRO DEUTSCHLAND AG·Filed 2018·Application pending·0 cites
- 3739US2020339505A1Process for the preparation of isocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2019·Application pending·0 cites
- 3838US2013131384A1Process for restoring catalyst activityMERKEL MICHAEL·Filed 2011·Application pending·0 cites
- 3935US2013204043A1Method for continuously producing nitrobenzeneKNAUF THOMAS·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →