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Alfred Ruland

Wolfgang Reuther

Martin Scholtissek

Juergen Gert Tropsch

Eberhard Ammermann

Heinrich Hartmann

Ernst-Heinrich Pommer

Walter Denzinger

Richard Baur

Johannes Perner

Günter Oetter

Alfred G Zielske

Guenter Oetter

Lafayette D Foland

Axel Kistenmacher

James E Deline

Rudi Widder

Markus Hartmann

Jürgen Tropsch

Klaus Mundinger

Kevin A Klotter

Charalampos Gousetis

Christian Wulff

Ulrich Annen

Ulrich Goeckel

Martin A Phillippi

Klaus Taeger

Claus Hackmann

Gregor Sch&uuml;rmann

Roland Boehn

Michael M&uuml;ller

Josef M&uuml;ller

Wolfgang Sch&auml;fer

Alkoxylates of the formula (I)CHCH(CH)CHO(A)(CHCHO)H&#x2003;&#x2003;(I)where

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The alkoxylate mixtures comprise alkoxylates of the formula (I)CHCH(CH)CHO(A)(B)H &#x2003;&#x2003;(I)where

An alkoxylate mixture containing; at least one alkoxylate of the formula CHO(A)(B)H where A is ethyleneoxy, B is C-C-alkyleneoxy or mixtures thereof, n is an integer in the range from 8 to 11, x is a number in the range from 1 to 20, y is a number in the range from 0 to 10, and (ii) at least one alkoxylate of the formula CHO(A)(B)H where A is ethyleneoxy, B is C-C-alkyleneoxy or mixtures thereof, m is an integer in the range from 12 to 24, v is a number in the range from 1 to 50, w is a number in the range fromto 10.

Alkoxylate mixtures and detergents containing the same

Polymers containing carboxyl groups and polyalkylene ether side- chains as additives in mineral building materials

A process is provided for the preparation of a compound having the structure of Formula I

Process for preparing N-alkyl ammonium acetonitrile compounds

Use of water-soluble copolymers of monoethylenically unsaturated

Ketene O,N-acetals of the formula I ##STR1## where R.sup.1 is tertiary alkyl of 4 to 6 carbon atoms, R.sup.2 is hydrogen, R.sup.3 is phenyl which is unsubstituted or substituted by halogen, alkoxy, alkyl, phenyl, phenoxy, cyano, nitro or trifluoromethyl and ##STR2## is a triazole, pyrazole, benzimidazole or imidazole radical, are prepared by a process in which a ketene O,O-acetal of the formula II ##STR3## where R.sup.1, R.sup.2 and R.sup.3 have the above meanings and R.sup.4 is phenyl which is unsubstituted or substituted by halogen, alkoxy, alkyl, phenyl, phenoxy, cyano, nitro or trifluoromethyl, is reacted with a compound of the formula ##STR4## where ##STR5## has the above meanings, at elevated temperatures.

Preparation of ketene O,N-acetals

Ketene O,O-acetals which can be converted in a simple manner to fungicidal ketene O,N-acetals are prepared by an addition reaction of a phenol with a phenoxyalkyne.

Preparation of ketene O,O-acetals

Ditriazolylvinyl phenyl ketones of the formula I ##STR1## where R is halogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, trifluoromethyl, cyano, nitro, phenyl or phenoxy, and n is an integer from 0 to 5, and the two triazole rings can, as desired, be bonded in the 1-position or 4-position to the vinyl group, their preparation and their use as nitrification inhibitors.

Ditriazolylvinyl phenyl ketones

Useful novel ketene O,O-acetals of the formula I ##STR1## where R.sup.1 is a tertiary alkyl radical of 4 to 6 carbon atoms or unsubstituted or halogen-substituted phenyl, R.sup.2 is hydrogen and R.sup.3 and R.sup.4 independently of one another are each phenyl which is unsubstituted or substituted by halogen, alkoxy, alkyl, phenyl, phenoxy, cyano, nitro or trifluoromethyl, their preparation and their use for the preparation of ketene O,N-acetals.

Ketene O,O-acetals and their preparation

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Alfred Ruland