Inventor
RIX ARMIN MATTHIAS
DE16 patents
⚠️ This page may combine multiple inventors who share the name “RIX ARMIN MATTHIAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EVONIK OXENO GMBH & CO KG
7 patentsUS12404465B2Sep 2, 2025
Process for removing extraneous odour-forming substances from hydrocarbon streams
EVONIK OXENO GMBH & CO KG0 citations52
US11952340B2Apr 9, 2024
Process for removing polyunsaturated hydrocarbons from C4 hydrocarbon streams in the presence of mercaptans, disulfides and C5 hydrocarbons
EVONIK OXENO GMBH & CO KG0 citations50
US12312313B2May 27, 2025
Energy-efficient process for removing butenes from C4-hydrocarbon streams
EVONIK OXENO GMBH & CO KG0 citations48
US11964940B2Apr 23, 2024
Method for separating butenes from C4 hydrocarbon streams, with subsequent oligomerisation
EVONIK OXENO GMBH & CO KG0 citations48
US11958791B2Apr 16, 2024
Method for preventing three-phase separation of butenes from C4 hydrocarbon streams
EVONIK OXENO GMBH & CO KG0 citations48
US11945777B2Apr 2, 2024
Energy-efficient process for removing butenes from C4-hydrocarbon streams and subsequent n/iso separation
EVONIK OXENO GMBH & CO KG0 citations48
US12473245B2Nov 18, 2025
Process for removing butenes from C4-hydrocarbon streams and two-stage evaporation
EVONIK OXENO GMBH & CO KG0 citations42
EVONIK OPERATIONS GMBH
6 patentsUS11629109B2Apr 18, 2023
Extractive distillation column system and the use thereof in the separation of butenes from C4-hydrocarbon streams
EVONIK OPERATIONS GMBH5 citations71
US11186782B2Nov 30, 2021
Catalyst and process for removing mercaptans from hydrocarbon streams
EVONIK OPERATIONS GMBH1 citations60
US11254631B2Feb 22, 2022
Process for oligomerization of olefins with optimized distillation
EVONIK OPERATIONS GMBH1 citations58
US11332421B2May 17, 2022
Process for oligomerization of olefins with optimized distillation
EVONIK OPERATIONS GMBH0 citations48
US12180141B2Dec 31, 2024
Process for the energy-efficient production of alkali metal alkoxides
EVONIK OPERATIONS GMBH0 citations47
US11773041B2Oct 3, 2023
Process for preparing aldehydes and cooling a stream of matter
EVONIK OPERATIONS GMBH0 citations46
EVONIK FUNCTIONAL SOLUTIONS GMBH
3 patentsUS11746075B2Sep 5, 2023
Method for the simultaneous production of sodium and potassium alcoholates
EVONIK FUNCTIONAL SOLUTIONS GMBH0 citations57
US11634372B2Apr 25, 2023
Method for the energy-efficient production of sodium and potassium alcoholates
EVONIK FUNCTIONAL SOLUTIONS GMBH0 citations47
US11661388B2May 30, 2023
Process for the energy-efficient production of alkali metal alkoxides
EVONIK FUNCTIONAL SOLUTIONS GMBH0 citations46