Basf Aktiengesellschaft

Basf Lacke+farben Ag

Basf Se Corporation

Klaus Huemke

Dieter Faul

Thomas Schwerzel

Hans Schupp

Ulrich Heimann

Gerhard Hoffmann

Bernd Wenderoth

Gabriele Dralle-Voss

John A Gilbert

Heinrich Hartmann

Ivette Garcia Castro

Joachim Roser

Knut Oppenlander

Hans-Jürgen Raubenheimer

Matthias Kroner

Irene Troetsch-Schaller

Kathrin Michl

Rainer Blum

Maximilian Angel

Gunnar Schornick

Johannes Perner

Martin Ernst

Aaron Flores-Figueroa

Matthias Gerst

Juergen Detering

Maxim Peretolchin

Stefan Frenzel

Klemens Mathauer

Hans-Henning Vogel

Gledison Fonseca

Josef Neutzner

Jürgen Detering

Claudia Wood

Matthias Laubender

Kai Gumlich

Stefan Stein

Bolette Urtel

Karl-Heinz Büchner

Ralf Widmaier

Bernd De Potzolli

Theo Smit

Peter Hoessel

Gazi Tuerkoglu

Wolfgang Kasel

Karin Neubecker

Udo Strauss

Maria Heuken

Uwe Rebholz

Michael Schroers

Peter Hössel

Karl-Hermann Strube

Gerd Konrad

Wilhelmus Slotman

Jürgen Pfister

Ferdinand Leifeld

Helmut Fobbe

Holger Schilling

Rouven Konrad

Lysander Chrisstoffels

Ruth Wirschem

Anke Oswald

Erik Bohrer

Ewald Heintz

Olga Pinneker

Norbert Gebhardt

Johannes Barth

Kirsten Fritsche

Jorg Budde

Hartmut Metzdorf

Klaus Humke

Hubert Rehberger

Peter Mendera

Simone Lehnert

Ljiljana Uzelac

Rehberger Hubert

The present invention relates to a copolymer obtainable by copolymerization of (A) at least one unsaturated dicarboxylic acid or derivatives thereof, (B) at least one &#x3b1;-olefin having from at least 6 up to and including 20 carbon atoms, (C) optionally at least one C- to C-alkyl ester of acrylic acid or methacrylic acid or a mixture of such alkyl esters and (D) optionally one or more further copolymerizable monomers other than monomers (A), (B) and (C), with a molar incorporation ratio of (A):(B):(C):(D) of 1:0.5 to 2.0:0 to less than 0.5:0 to 0.1 followed by the reaction with at least one dialkylamine (E), where the two alkyl radicals in the at least one dialkylamine (E) are independently alkyl radicals having at least 17 up to 30 carbon atoms.

Copolymer and use thereof for reducing crystallization of paraffin crystals in fuels

A process for producing aqueous solutions of acrylic acid polymers by polymerization of acrylic acid in feed operation with a free-radical starter in the presence of hypophosphite in water as solvent, which comprises

Method for producing acrylic acid polymers

Process for producing an aqueous binder comprising at least one polycarboxylic acid, at least one compound having at least two hydroxyl groups, and at least one phosphorus compound.

Method for producing an aqueous binder

The present invention relates to a novel copolymer, to processes for preparation thereof and to the use thereof.

Aqueous solutions comprising: one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof; and hydrogen peroxide; wherein the hydrogen peroxide is present in an amount of 100 to 5000 ppm; and methods of stabilizing aqueous solutions containing one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof.

Stabilisation of aqueous solutions of homopolymers and copolymers of N-vinylpyrrolidones

Alkylpolyalkylene glycol esters of monoethylenically unsaturated carboxylic acids are prepared by esterifying (a) monoethylenically unsaturated carboxylic acids with (b) polyalkylene glycols which are endcapped at one end, in the absence of a solvent and in the presence of polymerization inhibitors and esterification catalysts at not more than 160&#xb0; C. by a process in which the esterification is first carried out under atmospheric pressure or at up to 50 bar, the water formed in the esterification is then distilled from the reaction mixture at from 10 to 500 mbar and the esterification is then continued under atmospheric pressure or at up to 50 bar.

Method for producing alkylpolyalkylene glycol esters of monoethylenically unsaturated carboxylic acids

A process for the preparation of water-soluble polymers of esters of ethylenically unsaturated carboxylic acids and polyalkylene glycols by azeotropic esterification, in the presence of organic solvents which form an azeotrope with water, of ethylenically unsaturated carboxylic acids with polyalkylene oxides which are capped at one end by end groups, to a degree of at least 85 wt %, followed by free-radical polymerization of the resulting esters optionally together with other ethylenically unsaturated monomers, in aqueous medium, wherein the organic solvents are removed by azeotropic distillation from the reaction mixture during polymerization and the water that is removed by distillation is recycled or the quantity of water removed by distillation from the reaction mixture is replaced by a feed of fresh water.

Method for producing water soluble polymer of esters from ethylenically unsaturated carboxylic acids and polyalkylene glycols

The present invention provides a process for preparing aqueous copolymer solutions by polymerizing ethylenically unsaturated compounds in the presence of foam inhibitors.

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Niederkirchen, Germany

Dieter Faul