Covestro Deutschland Ag

Covestro Intellectual Property Gmbh & Co. Kg

Erik Sluyts

Pieter Ooms

Thomas Knauf

Johan Vanden Eynde

Volker Michele

Jens Langanke

Jan Heijl

Michael Traving

Antoni Mairata

Jan Van Tricht

Frank Bruynseels

Niklas Meine

Kristof Heylen

Xiaoxin Yao

Ivan Sluijs

Jerico Jayson Uy

The invention relates to a method for producing a specific hydroxyl compound by decarboxylating a specific carboxylic acid compound or a salt of said carboxylic acid compound in the absence of a catalyst and to a method for producing a bisphenol.

Method for producing a hydroxy compound by decarboxylation in the absence of a catalyst

The present invention relates to a process for producing a polycarbonate from a diphenol or two or more different diphenols and a carbonyl halide by the interfacial process. It is a feature of the process according to the invention that it is carried out on the basis of a chlorohydrocarbon or a mixture of a mixture of two or more chlorohydrocarbons using an organic solvent. An organic solvent is also provided.

Process for producing a polycarbonate using an organic solvent based on chlorohydrocarbons

The present invention relates to a melt transesterification process for the production of (co)polycarbonates from diaryl carbonates and cycloalkylidene diphenols, which process comprises the addition of a monohydroxyaryl compound in an amount of 5.0 to 20.0 wt.-%, based on the total mass of the reaction mixture. The invention further relates to a (co)polycarbonate obtained by the process.

Preparation of highly heat-resistant (co)polycarbonates by the transesterification method

The present invention provides a process for working up alkaline waste water which is formed during washing of crude nitrobenzene obtained by nitration of benzene, wherein

Process for working up waste water from nitrobenzene preparation

The invention relates to a process for working up alkaline waste water which is formed during washing of crude nitrobenzene obtained by nitration of benzene, wherein

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Brasschaat, Belgium

Erik Sluyts