Inventor

BIELEFELDT DIETMAR

DE46 patents

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

BIELEFELDT DIETMAR

BAYER AG

C3 to C5 polyfluoroalkanes propellants

Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and 2-chloro-1,1,1,3,3,3-hexafluoropropane

Process for preparing hexafluorobutene

Process for the preparation of hexafluorobutane, and intermediates thereby obtainable

Process for preparing 4-aminodiphenylamine

Process for the fluorination of acrylic acid and derivatives thereof and novel fluorinated esters of 2,3-difluoropropionic acid

Process for preparing fluorinated C4 to C6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems

Use of 1,1,1,4,4,4-hexaefluorobutane as a blowing and insulating gas for the production of foam plastics

C3 to C5 polyfluorcalkanes propellants

Process for preparing fluorinated C4 to C6 hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems

Sulphonylaminocarbonyltriazolinones having halogenoalkylthio substituents

Dihydrofuran carboxamides

1,3-dimethyl-5-fluoro-pyrazole-4-carboxamide derivatives, their preparation and their use as microbicides

Process for the preparation of chloro-fluoro-butenes

Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase

Process for preparing hexafluorochlorobutenes

Process for the preparation of aliphatic omega-difluorocarboxyl compounds

Optically active N-α-fluoroacryloylamino acid derivatives for the resolution of racemates

Process for the dechlorination and/or debromination of fluorine-and chlorine- and/or bromine-containing aromatic compounds

Preparation of polyfluorobutenes

Preparation of polyfluorobutenes

Process for the preparation of trifluoromethanesulphenyl chloride

Process for the preparation of trifluoromethanesulphonic acid

Process for the preparation of 4-substituted 1-aryl-5-amino-pyrazoles

3-thiocarbamoylpyrazole derivatives as pesticides

C3 to C5 polyfluorcalkanes propellants

C3 to C5 polyfluoroalkanes propellants

Process for the preparation of partially fluorinated alcohols

Process for preparing hexafluorobutane

Process for the preparation of saturated, fluorine-containing and chlorine-free hydrocarbons

Process for the preparation of halogenated aromatics

Optically active N-α-fluoroacryloylamino acid polymers for the resolution of racemates

Preparation of β-fluoroalcohols

Process for the preparation of 1,1-difluoroalkanesulphenyl chlorides

Process for the preparation of trifluoromethanesulphonyl chloride

Carboxylic acid halides containing trifluoromethyl groups and a process for their preparation

Pesticidal O-halogenocyclobutyl S-alkyl (di)thiphosph)(on)ates

4-cyano-2,5-difluoroaniline preparation process

Process for preparing 2-chloro-benzimidazole derivatives

Process for preparing 2-chloro-benzimidazole derivatives

Process for the preparation of 5-fluoropyrimidines

Process for the preparation of 2,3,4,5-tetrafluorobenzene derivatives

O-halogenocyclobutyl s-alkyl (di)thiophosphoric acid ester-amides and their use as agents for combating pests

Fungicidal substituted 2-phenyl-2,2-difluoroethylthiolcarbonates, compositions and use

BAYER AKTIWNGESELLSCHAFT

Herbicidal or fungicidal sulphonylaminocarbonyltriazolinones with halogenated alk(en)ylthio substituents

BAYER CROPSCIENCE AG

Process for the preparation of a 2-pyridylethylcarboxamide derivative