Chemische Fabrik Stockhausen Gmbh

Stockhausen Gmbh & Co Kg

Ashland Licensing and Intellectual Property LLC

Saarbergwerke Aktiengesellschaft

Stockhausen Gmbh

Omya International Ag

Hans-Georg Hartan

Patrick A C Gane

Alfons Landscheidt

Helmut Brehm

Dolf Stockhausen

Elke Philippsen-Neu

Rainer Poeschmann

Manfred Kaussen

Sascha Casteel

Joachim Schoelkopf

Daniel Edward Gerard

Bernfried A Messner

Michael Skovby

Gerd Jonas

Klaus Pflueger

Werner Fischer

Werner Padberg

Juergen Souren

Dietrich Muller

Friedhelm Ferlings

Patrick A Gane

The invention relates to water-soluble, preferably powder-form polymer compositions which are obtained by continuous polymerization of at least one unsaturated monomer. At least one parameter that influences the polymerization is varied according to a recurrent pattern. The invention also relates to the use of the inventive polymer compositions and to a method for producing them.

Polymerizate composition and a method for producing the same

The present invention relates to powdered, crosslinked polymer compositions, containing

Polymer composition and a method for producing the same

A compacted granulate and a method for making the same, comprises 60-99 wt.-% of a water-insoluble, water-swellable cellulose and optionally at least one water-swellable polysaccharide derivative, 1-40 wt.-% of at least one polymeric binder of a polymer or a copolymer of (meth)acrylic acid and/or salts thereof, and at least one liquid surfactant, in which the granulate has a water content of from 2 to 8 wt.-%. These granulates are useful as disintegrants for detergent tablets, cleaner tablets, water-softening tablets, and stain removing salt tablets

Compacted disintegrant granulate for compression-molded articles, its production and its use

A compacted granulate comprising water-swellable cellulose and/or cellulose derivatives and finely divided polymers/copolymers of (meth)acrylic acid or salts thereof and one or more liquid surfactants, and the use thereof as disintegrating agent for detergent tablets, cleaning agent tablets, water softening tablets and scouring salt tablets, as well as a process for making the compacted granulate by mixing the constituents, granulating and compacting.

Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets and scouring salt tablets

Water soluble, powdered, cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compounds

Compacted granulate comprising starch and/or a starch derivatives and, optionally, water-swellable cellulose/cellulose derivatives, and finely divided polymers/copolymers of (meth)acrylic acid or salts thereof and one or more liquid surfactants, and the use thereof as disintegrating agent for detergent tablets, cleaning agent tablets, water-softening tablets and scouring salt-tablets, as well as a process for making the compacted granulate by mixing the constituents, granulating and compacting.

Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets or scouring salt tablets

The present invention relates to superabsorbent cross-linked polymers for watery liquids, which are built-up of partially neutralized monomers having monoethylenlcally unsaturated acid groups, optionally further monomers copolymerizable therewith, as well as polymers optionally suitable as graft basis, and which can be manufactured by using a cross-linker/monomer combination of

Fluid-absorbing polymers, processes used in their production and their

Device and a process for dissolving water-soluble powdery polymers

Powdery polymers capable of absorbing aqueous liquids, a process for

A water-soluble, powdered, cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide in which

Water soluble powdered cationic polyelectrolyte comprising a copolymer

The present invention relates to a process for trash removal or pitch control in the paper manufacture, in which process as agent for the trash removal or pitch control cationic groups containing polymers of 50 to 100%-wt. quaternized dimethylaminopropylmethacrylamide or dimethylaminopropylmethacrylamide and 0 to 50%-wt acrylamide, acrylic acid, methacrylic acid, acrylamidomethylpropanesulfonic acid, are used, which polymers have an intrinsic viscosity of smaller than 150 ml/g. The trash removal or pitch control agent is added to the pulp flow and/or the circuit water in amounts of up to 1%-wt., relative to the dry weight of the paper manufactured.

Process for trash removal or pitch-like resin control in the paper

The present invention relates to amphoteric water soluble polymers which contain

Manufacturing paper employing a polymer of acrylic or methacrylic acid

The present invention relates to a process to improve the organoleptic behavior and the physical characteristics of leather by the use of aqueous solutions of copolymers of 90 to 20%-wt acrylic acid or methyacrylic acid, as well as 10 to 80%-wt of a monomer of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl; R.sub.2 and R.sub.3, which are equal or different, are methyl or ethyl; x stands for an optionally branched alkylene radical with 1 to 5 carbon atoms; the amine nitrogen is optionally neutralized or quaternized; and the molecular weight of the copolymer, measured at a pH of 8.0, is less than 100,000. The concentration of the copolymer in the aqueous solution is 0.02 to 10%-wt, relative to the shaved weight of the leather.

Acrylic copolymers for re-tanning

The present invention relates to a process to improve the organoleptic behaviour and the physical characteristics of leather by the use of aqueous solutions of copolymers of 90 to 20%-wt acrylic acid or methyacrylic acid, as well as 10 to 80%-wt of a monomer of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl; R.sub.2 and R.sub.3, which are equal or different, are methyl or ethyl; x stands for an optionally branched alkylene radical with 1 to 5 carbon atoms; the amine nitrogen is optionally neutralized or quaternized; and the molecular weight of the copolymer, measured at a pH of 8.0, is less than 100,000. The concentration of the copolymer in the aqueous solution is 0.02 to 10%-wt, relative to the shaved weight of the leather.

Retanning process

The invention relates to a process for separating mineral finest grain from coal slurries or washings obtained in coal processing, by treating the washing with a selective anionic dispersing agent for the finest grain, having a molecular weight of .ltoreq.10000 g/mol, and subsequent selective flocculation of the coal by means of a flocculating agent known per se.

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Kevelaer, Germany

Hans-Georg Hartan