Inventor

ROETTGER DIRK

DE37 patents

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

ROETTGER DIRK

OXENO OLEFINCHEMIE GMBH

Process for the catalytically carrying out multiphase reactions, in particular hydroformylations

Phosphinine compounds and metal complexes thereof

Process for the hydroformylation of olefins

Stabilizing rhodium catalysts for the hydroformylation of olefins

Multistage process for the preparation of oxo aldehydes and/or alcohols

Bisphosphite compounds and their metal complexes

Process for preparing higher oxo alcohols from olefin mixtures by two-stage hydroformylation

Method for producing 1-olefins by catalytically splitting 1-alkoxyalkanes

Phosphinine compounds and metal complexes thereof

Oligomerization of isobutene in N-butenic hydrocarbon streams

Method for producing 1-octene

Method for telomerizing non-cyclic olefins

Process for the catalytic preparation of aldehydes from olefins using ligand mixtures

Method for producing butene oligomers and tert-butyl ethers from C4 flows containing isobutene

Method for separation of substances by extraction or by washing them with ionic liquids

Method for producing C13-alcohol mixtures

Method for the production of 1-octene by reductive telomerisation

Method for the telomerisation of non-cyclic olefins

Method for the production of 2,7-octadienyl derivatives

Method for producing 1-olefins using palladium carbene compounds

Method for producing 1-octene from crack-C4

EVONIK OXENO GMBH

Method for the production of metal complexes

Process for preparing 1-butene from technical mixtures of C4 hydrocarbons

Process for fine purification of 1-butenic streams

Method for the telomerization of non-cyclic olefins

Method for the telomerization of non-cyclic olefins

EVONIK FUNCTIONAL SOLUTIONS GMBH

Method for the simultaneous production of sodium and potassium alcoholates

Method for the energy-efficient production of sodium and potassium alcoholates

Process for the energy-efficient production of alkali metal alkoxides

WINTERBERG MARKUS

Method for purification of mixtures comprising MTBE as well as production of isobutene by splitting of mixtures comprising MTBE

Preparation of isobutene by dissociation of MTBE

Process for preparing isobutene by cleaving MTBE-containing mixtures

OXENO OLEFINCHEMIE GMBH & CO K

N-phenyl-pyrrol bisphosphane compounds and the metal complexes of the same

PRAEFKE JOCHEN

Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons

BOEING CHRISTIAN

Process for regenerating a catalyst

EVONIK OPERATIONS GMBH

Process for the energy-efficient production of alkali metal alkoxides

BREHME VOLKER

Method for producing dienes by hydrodimerization