Basf Aktiengesellschaft

Hans-Jurgen Weyer

Rolf Hartmuth Fischer

Johann-Peter Melder

Jochem Henkelmann

Rainer Becker

Klaus Ditrich

Guido Voit

Werner Schnurr

Christoph Sigwart

Armin Stamm

Joachim Roser

Andreas Henne

Heinz-Josef Kneuper

Matthias Dernbach

Karl-Heinz Ross

Horst Neuhauser

Theodor Weber

Gerhard Jeschek

Martin Holderbaum

Markus Frede

Peter Lingelbach

Achim Weitze

Christian Dully

Herbert Muller

Method for producing thiochloroformates

Halides are removed from halide-containing nitrile mixtures by

Removal of halides from halide-containing nitrile mixtures

The process for purifying an .alpha.-, .beta.- or .gamma.-substituted carboxylic acid or a salt or an ester thereof or a mixture of two or more thereof from an aqueous solution which contains an .alpha.-, .beta.- or .gamma.-substituted carboxylic acid or a salt or an ester thereof or a mixture of two or more thereof and at least one polyol or at least one amino alcohol, wherein the solution is treated by electrodialysis.

Purification of .alpha.-, .beta.- or .gamma.-substituted carboxylic acids

Separation of heteropoly compounds from polyethers, polyesters and

A process for removing water and ammonia from benzophenone imine reactor effluents resulting from the catalytic reaction of benzophenones of the formula I ##STR1## where R.sup.1 and R.sup.2, have the meaning stated in the specification and wherein ammonia is distilled off from effluents and wherein water is either distilled off from the effluents over removed non-distillatively.

Removal of water and ammonia from benzophenone imine reactor effluents

Polyether, polyester and polyether ester purification process

Preparation of 1,2-butylene oxide

Removal of heteropoly compounds from polyethers, polyesters and

Growing community of inventors

Bobenheim-Roxheim, Germany

Hans-Jurgen Weyer