Inventor

BAHRMANN HELMUT

DE77 patents

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

BAHRMANN HELMUT

HOECHST AG

Sulfonated 2,2&#39;-bis (diphenylphosphinomethyl)-1,1&#39;-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers

Sulfonated 2,2&#39;-bis (Diphenylphosphinomethyl)-1,1&#39;-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

3,4-dimethyl-2,5,6-tris(p-sulfonatophenyl)-1-phosphanorbornadiene, process for the preparation thereof and process for the hydroformylation of olefinnically unsaturated compounds

Process for the preparation of aldehydes

Process for the hydroformylation of olefinically unsaturated compounds

Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers

Sulfonated 2,2&#39;-bis (diphenylphosphinomethyl)-1,1&#39;-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers

Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media

Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom

Process for preparing aldehydes

Process for producing aldehydes

Process for the preparation of predominantly unbranched higher primary alcohols

Process for preparing aldehyes

Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers

Process for making a mixture of isomeric decyl alcohols

Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers

Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers

Process for the preparation of sulfonated arylphosphines

Process for the preparation of aldehydes

Process for the hydroformylation of olefinically unsaturated compounds

Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as placticizers

Process for the preparation of organic phosphites which are stable to hydrolysis

Water-soluble sulfonated diphosphines

Catalyst systems based on rhodium complexes containing diphosphine ligands and their use in the preparation of aldehydes

Substituted diphosphines and a process for their preparation

Process for the preparation of aldehydes by means of a catalyst system comprising rhodium and substituted diphenyldiphospines

Process for preparing aldehydes

RUHRCHEMIE AG

Process for the preparation of aldehydes

Rhodium catalysts and methods of preparation and use thereof

Process for the preparation of aldehydes

Process for the preparation of nonadecanediols

Process for purification of gases

Quaternary ammonium salts of sulfonated triarylphosphines and process for the production thereof

Process for producing ethanol and n-propanol from methanol and synthesis gas

Process for producing ethanol and n-propanol from methanol

Process for preparing 2-methyl-2-sec.butyl-1,3-propanediol

Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom

Process for preparing aldehydes

Process for the preparation of aldehydes

CELANESE GMBH

Nonaqueous ionic ligand liquids, process for preparing them and their use as catalyst constituents

Catalyst of rhodium and a non-aqueous ligand liquid for preparation of aldehydes

Process for preparing aldehydes

Substituted diphenyldiphosphines and a process for their preparation

CELANESE CHEM EUROPE GMBH

Ionic liquids and production and use thereof

Method for producing aldehydes

Process for preparing sulfonated arylphosphines

CELANESE CHEMICALS EUROP

Method for producing sulfonated aryl phosphines

(unassigned)

Substituted diphenyldiphosphines and a process for their preparation

Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

Sulfonated 2,2'-bis (Diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds