Inventor

FRANKE ROBERT

DE162 patents

⚠️ This page may combine multiple inventors who share the name “FRANKE ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FRANKE ROBERT

EVONIK DEGUSSA GMBH

Purifying organophosphorus compounds contaminated with chlorine

Separation off of a homogeneous catalyst from a reaction mixture with the help of organophilic nanofiltration

Benzene-based diphosphine ligands for alkoxycarbonylation

Monophosphine compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds

Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds

Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds

Method for obtaining alcohols from aldehydes

Method for obtaining alcohols from aldehydes III

Method for obtaining alcohols from aldehydes II

Influencing the viscosity of N-butene-based ester mixtures by controlled use of ethene in the preparation of the ester precursors

Chromium-free hydrogenation of hydroformylation mixtures

Unsymmetric bisphosphite

Process for oligomerization of butene with determination of the proportion of acidic catalysis

Phosphine ligand and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds

Chromium- and nickel-free hydrogenation of hydroformylation mixtures

Production of n-pentanal from low-butene feedstock mixtures

Bisphosphites having 2,4-tert-butylphenyl units and use thereof as ligands in hydroformylation

Method for reducing the chlorine content of organomonophosphites using dimethylaminobutane, triethylamine or triethanolamine

Process for reducing the chlorine content of organotetraphosphites

Propyl-bridged diphosphine ligands for alkoxycarbonylation

Process for the alkoxycarbonylation of olefins in a medium having a low Brønsted acid concentration

Mixture of different asymmetrical bisophosphites and use thereof as a catalyst mixture in hydroformylation

Membrane cascade with falling separation temperature

Phosphorous acid P,P′-[5,5′,6,6′-tetramethyl-3,3′-bis(l- methylethyl)[1,1′-biphenyl]-2,2′-diyl] P,P,P′,P&#39;-tetrakis(2,4-dimethylphenyl) ester in hydroformylation

EVONIK OPERATIONS GMBH

Method for the preparation of C3—C12-alcohols by catalytic hydrogenation of the corresponding aldehydes

Process for hydroformylating short-chain olefins using a heterogenized catalyst system without ionic liquid

Oligomerization catalyst and process for the production thereof

Process for hydroformylating short-chain olefins in the gas phase

Oligomerization catalyst and process for the production thereof

Process for producing an oligomerization catalyst

Process for preparing carboxylic acids or salts thereof from hydrocarbons

Pt-xanthene-bromine complex

DYBALLA KATRIN MARIE

Bisphosphites having an unsymmetric outer biphenol unit

Method for reducing the chlorine content of organobisphosphites

Monophosphite ligands having a tert-butyloxycarbonyl group

Monophosphite ligands having a carbonate group

Process for catalytic preparation of aldehydes from olefins using monophosphite mixtures

Electrochemical coupling of two phenols which differ in their oxidation potential

Bisphosphites having a central 2,3′-biphenol unit

Preparation of 6,6′-((3,3′-di-tert-butyl-5,5′-dimethoxy-[1,1′-biphenyl]-2,2′-diyl)bis(oxy))bis(2,4,8,10-tetramethyldibenzo[d,f][1,3,2]dioxaphosphepine)

FRIDAG DIRK

Stable long-term method for producing C5-aldehydes

Control of the viscosity of reaction solutions in hydroformylation processes

Method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin

FRANKE ROBERT

Energy efficient synthesis of aliphatic aldehydes from alkenes and carbon dioxide

Method for hydroformylation of unsaturated compounds

BECKER MARC

Parallelized jet loop reactors

CHRISTIANSEN ANDREA

Mixture of bisphosphites and use thereof as a catalyst mixture in hydroformylation

GEILEN FRANK

Preparation of high-quality oxo process alcohols from inconstant raw material sources

LUEKEN HANS GERD

Optimized separation technique for work-up of homogeneously catalysed hydroformylation mixtures

HAMERS BART

Jet loop reactor having nanofiltration

Phosphorous acid P,P′-[5,5′,6,6′-tetramethyl-3,3′-bis(l- methylethyl)[1,1′-biphenyl]-2,2′-diyl] P,P,P′,P'-tetrakis(2,4-dimethylphenyl) ester in hydroformylation