Inventor

SIEGEMUND GUENTER

DE53 patents

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

SIEGEMUND GUENTER

HOECHST AG

Process for the preparation of 1,1,1-trifluoro-2-2-dichloroethane under elevated pressure

Catalysts for fluorination and/or dismutation reactions on halogenated hydrocarbons, and a process for their preparation

Process for the preparation of 4,5-perfluoro-1,3-dioxalanes

Process for the preparation of halogenated aliphatic carboxylic acid fluorides

Preparation of biocatalysts in bead form

Process for the regeneration of fluorination catalysts

Fluorosulfatoperfluorocarbonyl compounds

Process for the preparation of 2-H-heptafluoropropane

α-fluoroacrylic acid esters and polymers thereof

Hexafluoroisopropyl-containing monomers, process for their preparation and their use

Partly fluorinated carboxylic acids and derivatives thereof, processes for their preparation and their use

Derivatives of 2,2-bis-(3-aminophenyl)hexafluoropropane and process for the preparation of 2,2-bis-(3,4-diaminophenyl)hexafluoropropane

Process for the preparation of trichloroacetyl chloride

Process for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane

Process for the preparation of perfluorinated carbonyl fluorides

Process for the preparation of imidates

Process for the preparation of reaction products of 2,2-bis-(4-hydroxphenyl)-hexafluoropropane and new derivatives of this type

Process of the prparation of perfluoroalkyl compounds, and pentafluoroethyltrimethylsilane

Process for the preparation of hexafluoroacetone and direct use of the solution obtained by the process

Process for the preparation of 1,1,1-trifluoro-2-chloroethane

Partially fluorinated biphenyls, processes for their preparation and their use

Process for the continuous oligomerization of hexafluoropropene oxide

Partially fluorinated diphenyl ethers, processes for their preparation and their use

Process for the dimerization of hexafluoropropene oxide

Perfluorinated vinyl ethers containing a secondary hydrogen atom, polymers formed therefrom and a process for the preparation of the monomers

Process for the preparation of ω-fluorosulfatoperfluoroalkanoic acid derivatives

Process for the preparation of monohydroperfluoroalkane-sulfonic acid halides and some specific representatives of this class of compound

Process for the preparation of perfluoropropionyl fluoride

α-fluoroacrylic acid esters and polymers thereof

Process for the preparation of fluorine containing monomers

Partially fluorinated tetracarboxylic acid and the dianhydride thereof, a process for their preparation and their use

4,4&#39;-bis[2-(4-hydroxy-amino-phenyl)hexafluoroisopropyl]-diphenylethers and their use

Process for the preparation of fluorocarbon polymers containing carboxyl groups, and certain starting materials required for this, and the fluoro-sulfato compounds formed as intermediate products in the process

Process for the preparation of halogen-containing aromatic compounds

Process for the manufacture of 2,3-perfluoro-1,4-dioxanes as well as some special representatives of compounds of this class

Esters of arylbisperfluoroalkylcarbinols, and a process for the preparation of these compounds

Process for the preparation of aryl perfluoroalkyl ketones

Omega-fluorosulfato-perfluoro-(2-methyl-alkan-3-ones)

Partially fluorinated dicarboxylic acid and the acid chloride thereof, and a process for their preparation

Partially fluorinated tetracarboxylic acid and the dianhydride thereof

Fluoro-containing compounds based on 4,4&#39;-bis[2-(4-hydroxyphenyl) hexafluoroisopropyl]diphenyl ether, processes for their preparation and their use

Process for separating isomer mixtures of 1,3- and 1,4- bis-(2-hydroxyhexafluoro-prop-2-yl)-benzene

SOLVAY

Process for regenerating a fluorination catalyst

Process for the addition of HF to halogenated alkenes

Process for the addition of HF to halogenated alkenes

Process for the work-up of complex amine hydrofluroides

Process for preparing trifluoroacetyl fluoride

(unassigned)

Process for preparing trifluoromethylanilines

SOLVAY SOCIETEANONYME

Process for the preparation of 2H-heptafluoropropane

HOECHST ATKIENGESELLSCHAFT

Fluorosulfonate containing polyfluorocarbonyl compounds

4,4'-bis[2-(4-hydroxy-amino-phenyl)hexafluoroisopropyl]-diphenylethers and their use

Fluoro-containing compounds based on 4,4'-bis[2-(4-hydroxyphenyl) hexafluoroisopropyl]diphenyl ether, processes for their preparation and their use