Bayer Aktiengesellschaft

Agfa-gevaert Ag

Ernst Roos

Harald Oertel

Paul Uhrhan

Reinhard Lantzsch

Dieter Arlt

Rudiger Schubart

Theo Kempermann

Werner Jeblick

Adolf Schmidt

Klaus Wagner

Robert R Schmidt

Hans-Josef Buysch

Ludwig Eue

Ulrich Eholzer

Manfred Abele

Hans Schroer

Wolfgang Behrenz

Herbert Eichenauer

Hans Scheinpflug

Bernd-Wieland Kruger

Hellmut Hoffmann

Herbert Bartl

Josef Witte

Manfred Dahm

Klaus Kircher

Heinrich Konigshofen

Anita Von Konig

Helmut Kampfer

Helmut Hurnik

Ulrich Nehen

Karl Nutzel

Klaus Schuster

Dieter W Bruck

Lothar Ruetz

Manfred Blazejak

Eberhard Jurgens

Heinz Hammer

Sigurd Behr

Gunter P Langner

Dieter Theisen

Wolfgang Redetzky

Erika Hugl

Lother Ruetz

Kurt Ley

Aliphatic polyesters containing sulphur, which contain the sulphur as structural units in the form of sulphide or disulphide groups in both the acid component and the diol component, a process for the preparation of these polyesters, and also polymers containing these polyesters.

Aliphatic polyesters containing sulphur, and their use as stabilizers

An arthropodicidal composition comprising an arthropodicidally effective amount of an arthropodicidally active compound and a synergistically effective amount of at least one compound of the formula ##STR1## in which A is amino, alkylamino, dialkylamino or N-alkyl-N-arylamino, or an optionally substituted alkyl, alkenyl, alkoxy, alkenyloxy, alkylthio, aralkyl, aralkoxy, phenyl, phenoxy or phenylthio radical,

Pest-combating agents containing phosphorus-heterocyclic compounds

The use of arylsulphonyl hydrazones corresponding to the following general formula:

Arylsulphonyl hydrazones as blowing agents

Surface-active azo compounds corresponding to the following general formula ##STR1## in which ##STR2## R represents C.sub.1 -C.sub.4 -alkyl, R.sup.1 represents the residue diminished by the isocyanate groups of an aliphatic, aromatic or cycloaliphatic diisocyanate

Surface-active azo compounds

Elastomers with corrosion-inhibiting properties, characterized by containing a reaction product of an amine of the formula: ##STR1## wherein X represents a number from 5 to 30,

Elastomers with corrosion inhibiting properties

Condensation products of a diol with aldehydes corresponding to the following formula: ##STR1## in which R represents hydrogen or methyl, the methyl group being in the 3- and/or 4-position, and Y represents the number 0 or 1, a process for its production characterized in that diols are reacted with aldehyde compounds in known manner, and its use as an antiozonant for rubber.

Cyclic acetals of diols, their production of their use as

The invention relates to surface-active azo compounds obtainable by reacting azo compounds corresponding to the following general formula (I): ##STR1## in which X and Y are the same or different and represent ##STR2## and R represents C.sub.1 -C.sub.4 -alkyl, with at least one C.sub.10 -C.sub.18 -paraffin disulphonic acid dihalide in aqueous medium or a solvent or solvent mixture which is inert to the reactants under the process conditions and in which the reactants are at least partly soluble, at temperatures in the range of from 0.degree. to +.degree. C. and in the presence of a base in a quantity substantially equivalent to the hydrolysable halogen, the reaction being accompanied by the elimination of hydrogen halide. The new azo compounds give low electrolyte, low-foam dispersions in emulsion and dispersion polymersation.

The use of open-chain acetals or ketals corresponding to the following general formula ##STR1## as non-discoloring anti-ozonants for natural and/or synthetic rubber.

Open-chain acetals or ketals as non-discoloring antiozonants for rubber

Vulcanization system, rubber mixture containing said system and a

A mixture comprising sulphur or a sulphur donor, a mercapto- or sulfenamide vulcanization accelerator, a compound containing a thiophenyl radical and a standard auxiliary accelerator is used as a vulcanization system for natural or synthetic rubber.

Vulcanization system, a rubber mixture containing this vulcanization

A mixture of azodicarbonamide and an .alpha.-amidosulphone corresponding to the general formula: ##STR1## in which R represents hydrogen, a C.sub.1 -C.sub.4 -alkyl residue and/or halogen,

Mixtures of azodicarbonamide and .alpha.-amidosulphones and their

A blowing agent combination comprising azodicarbonamide, zinc oxide and a benzenethiol sulphonic acid derivative having the general formula (I) ##STR1## wherein R is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl radical and/or a chlorine atom,

Blowing agent combination comprising azodicarbonamide, zinc oxide and a

An azo di-isobutyric acid-(N,N'-hydroxyalkyl)-amidine corresponding to the formula (I): ##STR1## in which R and R', which may be the same or different, represent linear or branched alkylene radicals containing from 2 to 4 carbon atoms, and

Azo-di-isobutyric acid-(N,N-hydroxyalkyl)-amidines

The invention relates to new methylol derivatives of 2,2,6,6-tetraalkylpiperidines, to their production and to their use as chemically attached stabilizers for polymers containing reactive OH- and NH-groups.

Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their

A process for preparing a 2,6-di-tert-alkyl-4-alkylidene-2,5-cyclohexadien-one which comprises contacting a bis-(3,5-di-tert.-alkyl-4-hydroxybenzyl)sulphide of the formula ##STR1## wherein R.sup.1 denotes a tertiary alkyl group and

Process for the preparation of

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Odenthal, Germany

Ernst Roos