Inventor · disambiguated record
Armin Matthias Rix
Also filed as: RIX ARMIN · RIX ARMIN MATTHIAS
30 granted patents·20 pending applications·157 citations·filing 2001–2024
94Inventor score
Files withEVONIK OXENO GMBH & CO KG22EVONIK OPERATIONS GMBH9OXENO OLEFINCHEMIE GMBH6EVONIK FUNCTIONAL SOLUTIONS GMBH3WINTERBERG MARKUS3
Top patents by PatentIndex Score
50 records- 0195US11629109B2Extractive distillation column system and the use thereof in the separation of butenes from C4-hydrocarbon streamsEVONIK OPERATIONS GMBH·Filed 2022·Granted Apr 18, 2023·5 cites·18 claims
- 0295US7399892B2Process for dewatering ethanolOXENO OLEFINCHEMIE GMBH·Filed 2007·Granted Jul 15, 2008·80 cites·17 claims
- 0392US6657090B2Process for preparing highly pure raffinate II and Methyl tert-butyl etherOXENO OLEFINCHEMIE GMBH·Filed 2001·Granted Dec 2, 2003·29 cites·18 claims
- 0491US7932428B2Process for preparing 1-butene from technical mixtures of C4 hydrocarbonsEVONIK OXENO GMBH·Filed 2006·Granted Apr 26, 2011·13 cites·32 claims
- 0588US7737318B2Process for fine purification of 1-butenic streamsEVONIK OXENO GMBH·Filed 2006·Granted Jun 15, 2010·9 cites·17 claims
- 0684US9085506B2Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamineGALLE MARKUS·Filed 2011·Granted Jul 21, 2015·8 cites·65 claims
- 0783US8415520B2Work-up of a 3-methyl-1-butene-containing mixtureWINTERBERG MARKUS·Filed 2010·Granted Apr 9, 2013·3 cites·19 claims
- 0882US11254631B2Process for oligomerization of olefins with optimized distillationEVONIK OPERATIONS GMBH·Filed 2020·Granted Feb 22, 2022·1 cites·20 claims
- 0980US11186782B2Catalyst and process for removing mercaptans from hydrocarbon streamsEVONIK OPERATIONS GMBH·Filed 2019·Granted Nov 30, 2021·1 cites·20 claims
- 1076US9260386B2Thioetherification of mercaptanes in C4 hydrocarbon mixturesPEITZ STEPHAN·Filed 2013·Granted Feb 16, 2016·2 cites·15 claims
- 1173US8841492B2Method for purification of mixtures comprising MTBE as well as production of isobutene by splitting of mixtures comprising MTBEWINTERBERG MARKUS·Filed 2011·Granted Sep 23, 2014·1 cites·20 claims
- 1270US8269050B2Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbonsPRAEFKE JOCHEN·Filed 2006·Granted Sep 18, 2012·3 cites·22 claims
- 1368US8940951B2Preparation of isobutene by dissociation of MTBEWINTERBERG MARKUS·Filed 2010·Granted Jan 27, 2015·1 cites·18 claims
- 1468US2025026699A1Process for producing alcohols by alkoxycarbonylation of diisobutene and a c4 to c7 olefin and subsequent hydrogenationEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 1568US2025026709A1Process for alkoxycarbonylation of diisobutene and a c4 to c7 olefinEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 1668US2025026706A1Process for the alkoxycarbonylation of diisobutene and a C4 to C7 olefin and subsequent hydrolysisEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 1768US2025026704A1Process for hydroformylation of diisobutene and a c4 to c7 olefinEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 1867US2024343661A1Catalyst and process for hydrogenation of olefinsEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 1967US2024417353A1Process for producing an alcohol by alkoxycarbonylation of diisobutene with prior distillation and subsequent hydrogenationEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2067US2024417361A1Process for producing a carboxylic acid or salt thereof by alkoxycarbonylation of diisobutene with preceding distillation and subsequent hydrolysisEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2167US2025171384A1Energy-efficient process for separation of 1-butene from a hydrocarbon streamEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2267US2025171383A1Energy-efficient process for separation of 1-butene from a hydrocarbon stream using a heat transfer mediumEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2367US2024417355A1Process for the hydroformylation of diisobutene with preceding distillationEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2467US2024417366A1Process for the alkoxycarbonylation of diisobutene with prior distillationEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2567US2024417346A1Process for providing a stream comprising a high proportion of 2,4,4-trimethylpent-1-eneEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2666US2025171385A1Energy-efficient process for separation of 1-butene from a hydrocarbon stream with optimized vapour compressionEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2765US2024417345A1Process for isomerization of 2,4,4-trimethylpent-2-ene to 2,4,4-trimethylpent-1-eneEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2864US2025340576A1Improved process for preparing metal alkoxide compoundsEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 2962US2025171386A1Energy-efficient distillation process with variation of inflowEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
- 3060US11773041B2Process for preparing aldehydes and cooling a stream of matterEVONIK OPERATIONS GMBH·Filed 2022·Granted Oct 3, 2023·0 cites·20 claims
- 3159US12404465B2Process for removing extraneous odour-forming substances from hydrocarbon streamsEVONIK OXENO GMBH & CO KG·Filed 2023·Granted Sep 2, 2025·0 cites·16 claims
- 3258US12312313B2Energy-efficient process for removing butenes from C4-hydrocarbon streamsEVONIK OXENO GMBH & CO KG·Filed 2022·Granted May 27, 2025·0 cites·19 claims
- 3358US11964940B2Method for separating butenes from C4 hydrocarbon streams, with subsequent oligomerisationEVONIK OXENO GMBH & CO KG·Filed 2022·Granted Apr 23, 2024·0 cites·20 claims
- 3458US11958791B2Method for preventing three-phase separation of butenes from C4 hydrocarbon streamsEVONIK OXENO GMBH & CO KG·Filed 2022·Granted Apr 16, 2024·0 cites·20 claims
- 3558US11945777B2Energy-efficient process for removing butenes from C4-hydrocarbon streams and subsequent n/iso separationEVONIK OXENO GMBH & CO KG·Filed 2022·Granted Apr 2, 2024·0 cites·20 claims
- 3658US11746075B2Method for the simultaneous production of sodium and potassium alcoholatesEVONIK FUNCTIONAL SOLUTIONS GMBH·Filed 2020·Granted Sep 5, 2023·0 cites·16 claims
- 3757US11661388B2Process for the energy-efficient production of alkali metal alkoxidesEVONIK FUNCTIONAL SOLUTIONS GMBH·Filed 2022·Granted May 30, 2023·0 cites·16 claims
- 3856US2024279145A1Process for workup of a methanol/water mixture in the production of alkali metal methoxides in a reaction columnEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 3956US2024308942A1Process for the energy-efficient preparation of alkali metal alcoholatesEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 4053US11634372B2Method for the energy-efficient production of sodium and potassium alcoholatesEVONIK FUNCTIONAL SOLUTIONS GMBH·Filed 2020·Granted Apr 25, 2023·0 cites·14 claims
- 4153US11332421B2Process for oligomerization of olefins with optimized distillationEVONIK OPERATIONS GMBH·Filed 2020·Granted May 17, 2022·0 cites·19 claims
- 4253US7473808B2Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane processOXENO OLEFINCHEMIE GMBH·Filed 2008·Granted Jan 6, 2009·0 cites·7 claims
- 4352US12473245B2Process for removing butenes from C4-hydrocarbon streams and two-stage evaporationEVONIK OXENO GMBH & CO KG·Filed 2022·Granted Nov 18, 2025·0 cites·19 claims
- 4452US11952340B2Process for removing polyunsaturated hydrocarbons from C4 hydrocarbon streams in the presence of mercaptans, disulfides and C5 hydrocarbonsEVONIK OXENO GMBH & CO KG·Filed 2019·Granted Apr 9, 2024·0 cites·25 claims
- 4551US9963644B2Cleaning of liquid hydrocarbon streams by means of copper-containing sorbentsEVONIK DEGUSSA GMBH·Filed 2014·Granted May 8, 2018·0 cites·11 claims
- 4651US7432407B2Hydroisomerization of olefins comprising between 4 and 6 carbon atomsOXENO OLEFINCHEMIE GMBH·Filed 2002·Granted Oct 7, 2008·1 cites·18 claims
- 4749US10479751B2Process for preparing acrylic acidEVONIK DEGUSSA GMBH·Filed 2014·Granted Nov 19, 2019·0 cites·16 claims
- 4849US2010144998A1Process for fine purification of 1-butenic streamsOXENO OLEFINCHEMIE GMBH·Filed 2010·Application pending·0 cites
- 4948US12180141B2Process for the energy-efficient production of alkali metal alkoxidesEVONIK OPERATIONS GMBH·Filed 2022·Granted Dec 31, 2024·0 cites·16 claims
- 5046US2006264686A1Process for the oligomerization of butenesOXENO OLEFINCHEMIE GMBH·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →