Bayer Aktiengesellschaft

Agfa-gevaert Ag

Bayer Akteingesellschaft

Bayerwerk Aktiengesellschaft

Carlhans Suling

Wolfgang Podszun

Christian Lindner

Siegfried Korte

Jurgen Reiners

Jens Winkel

Herbert Bartl

Michael Walkowiak

Joachim Konig

Dieter Freitag

Klaus Konig

Manfred Schreckenberg

Hans-Hermann Schulz

Henning Bachem

John W Goossens

Wolf-Dieter Schroer

Janos Muszik

Dieter Arlt

Bruno Bomer

Gerhard Klein

Theo Neukam

Michael Kausch

Bernhard Leusner

Rudi Dauscher

Gerhard Balle

Wolfgang Brauer

Robert Schmitz-Josten

Hans Schroer

Hans H Schulz

Walter De Winter

Erich Klauke

Karl-Heinz Ott

Manfred Jautelat

Herman J Uytterhoeven

Gunther Nischk

Helmut Waniczek

Gunter Arend

Dietrich Hardt

Wilfried Kortmann

Ralf Miessen

Holger Ohst

Bernd Willenberg

Wolfgang Richter

Georg Schroder

Dieter Brokmeier

Manfred Borgardt

Beatrix Frauendorf

Gunther Hoffarth

Gunter Blankenstein

Hans-Josef Buysch

Dieter Wittmann

Hanns P Muller

Heinrich Alberts

Hans Rudolph

Klaus Nachtkamp

Joachim Probst

Josef Witte

Walter Schafer

Walter Uerdingen

Karlheinz Wolf

Daniel M Timmerman

Gunther Boehmke

Helmut-Martin Meier

Immo Boie

Manfred Peters

Gunther Schenk

Aziz El Sayed

Walter Simm

Kaspar Wingender

Ludwig Trabert

Gunther Penners

Carl Heynemann

Hans Theidel

Gunter Lorenz

Karl-Heinz Wolf

Hellmut Striegler

Karola Brudermanns

Hans Hespe

Jutta Rottger

Bernd W Leusner

Klaus-Dieter Schultz

Friedrich Reich

Karl-Erwin Schnalke

Heinz Gall

Helmut Hoffmann

Raimund Weber

Horacek: Gotz

Wolfgang Padszun

Dickore Karlfried

Manfred Fischer

Wolfram Von Langenthal

Bead polymers having an average particle diameter of from 0.5 to 10 .mu.m and a narrow particle diameter distribution of K.ltoreq.0.25 and containing from 1 to 60% by weight of chemically bound fluorine are suitable for use as matting agents and spacers in photographic recording materials.

Bead polymers containing fluorine

Crosslinkable compounds obtainable by reaction of water-soluble mono- or polyamines with 2,3-epoxypropyl sulphonates or 2-hydroxypropyl 1,3-bis-sulphonates or their mixtures with up to 15 mol % of an epihalogenohydrin or diyhalogenohydrin are used for imparting wet strength to paper.

Nitrogen-containing polymeric compounds

This invention relates to a process for the production of light resistant and exhaust gas resistant PUH elastomer threads and films based on segmented polyurethane ureas which are based on diisocyanate mixtures of from 30 to 85 mol% of trans-1,4-cyclohexylene diisocyanate and from 70 to 15 mol% of other aliphatic or cycloaliphatic diisocyanates. The diisocyanates are first reacted with relatively high molecular weight dihydroxy compounds and optionally low molecular weight diols to form an isocyanate prepolymer which is then reacted with aliphatic diamines or diamine mixtures, preferably ethylene diamine, in highly polar solvents, optionally in the presence of salt type solubilizing agents such as lithium salts and preferably with the aid of aliphatic chain terminators, in particular those having a cycloaliphatic structure, to produce elastomer solutions which are stable under processing conditions. These solutions are spun in the conventional manner or dried to form films or coagulated to form sheet products. The invention also relates to the segmented polyurethane urea elastomers, in particular threads, obtainable by the new process.

Process for the production of PUH elastomer threads and films resistant

Crosslinkable compounds obtainable by reaction of water-soluble mono- or polyamines with 2,3-epoxypropyl sulphonates or 2-hydroxypropyl 1,3-bis-sulphonates or their mixtures with up to 15 mol % of an epihalogenohydrin or dihalogenohydrin are used for imparting wet strength to paper.

A process for the production of highly elastic elastane fibers (spandex fibers) based on segmented polyurethane (urea) elastomers having high elasticity and, at the same time, high strength values, balanced elastic properties and excellent thermal and hydrothermal behavior, wherein relatively high molecular weight, carbonate-linked, block-like polyester of polyester etherdiols having molecular weight of 3,300 to 7,000 are reacted with macrodiols with diisocyanates in a molecular ratio of 1:2.5 to 1:4.5 to obtain NCO prepolymers which have NCO contents of 2.10 to 4.0% NCO, then the NCO prepolymer is chain-extended with (cyclo)-aliphatic diamines to fom polyurethane (urea) elastomers.

Process for producing elastane fibers of high elasticity and strength

Aqueous dispersions of copolymers and graft copolymers which are formed from ethylenically unsaturated perfluoroalkyl monomers and ethylenically unsaturated monomers from from perfluoroalkyl groups and which are prepared in the presence of emulsifiers containing cationic groups are used for imparting a water-repellent and oleo-repellent finish to textiles, leather and paper.

Copolymers containing perfluoroalkyl groups

The present invention relates to graft copolymers based on at least one ethylenically unsaturated monomer containing perfluoroalkyl groups mixed with an acrylic, methacrylic, vinyl, maleic and/or styrene derivative and a melamine polycondensate as the graft substrate, which are suitable for oleophobic treatment of textiles, carpets, paper or leather and at the same time are effective hydrophobicity agents, and a process for their preparation.

Graft copolymers, a process for their preparation and their use

Cationic crosslinkable polyamidoamine resins which are obtainable by reaction of

Polyamidoamine resin from mixture of diamine and polyalkylene polyamine

The new (meth)acrylic acid derivatives containing urethane groups can be prepared by reaction of a (meth)acrylic acid ester with diisocyanates and subsequent reaction with polyols. The compounds can be used for dental materials.

(Meth)acylic acid derivatives containing urethane groups

Water-soluble crosslinkable polymeric compounds which are obtainable by reaction of reaction products, containing halogenohydrin groups, of ammonia or mono- or polyamines and an epihalogenohydrin with inorganic bases and subsequent reaction of the resulting compounds containing epoxide groups with halogen-free sulphonic acids to give compounds containing sulphonic acid ester groups are used for imparting wet strength to paper.

Nitrogen-containing water-soluble polymeric compounds

Dental fillings, coatings and teeth are formed of polymers and copolymers of a polyfunctional ester-urethane derivative of (meth)-acrylic acid of the formula ##STR1## in which A is a straight-chain or branched aliphatic radical which has 2 to 20 carbon atoms and optionally contains 1 to 3 oxygen bridges, an aromatic radical with 6 to 24 carbon atoms, an araliphatic radical with 7 to 26 carbon atoms or a cycloaliphatic radical with 6 to 26 carbon atoms,

Ester-urethane derivatives of (meth)-acrylic acid for dental materials

The new (meth)-acrylic acid derivatives of triisocyanates can be prepared by reacting appropriate triisocyanates with hydroxyalkyl (meth)-acrylates. The compounds can be employed as monomers for use in the dental field.

(Meth)-acrylic acid derivatives of triisocyanates in dentistry

Dye diffusion images can be produced by a rapid process in which a first sheet material which contains at least one light sensitive silver halide emulsion on a layer support and at least one color producing compound capable of releasing a diffusible dye on development and/or a second, light insensitive sheet material containing a layer of binder in which is incorporated a salt of a weakly acidic organic compound and a strong organic base is or are moistened with an aqueous liquid and the two sheet materials are then heated to 40.degree.-120.degree. C. with their coated surfaces in contact and subsequently separated.

Dye diffusion process with base precursor salts of strong organic bases

(Methyl)acrylic acid derivatives containing urethane groups

The invention relates to elasthane fibers which are protected against harmful environmental influences, particularly sunlight and combustion gases, by a synergistic stabilizer combination of

Elasthane fibers stabilized against environmental influences

Growing community of inventors

Odenthal, Germany

Carlhans Suling