Bayer Aktiengesellschaft

Miles Inc.

Miles Laboratories, Inc.

Agfa-Gevaert Ag

Bayar Aktiengesellschaft

Miles Italiana S.p.a.

Schnabel, Eugen

Wolfrum, Gerhard

Runzheimer, Hans-Volker

Hugl, Herbert

Herbert Hugl

Gerhard Wolfrum

Rolf Dhein

Karl H Schundehutte

Klaus Wehling

Kersten Trautner

Heinz Pudleiner

Hanns-Peter Muller

Holger Heidenreich

Eugen Schnabel

Eberhard Kuckert

Rolf Wehrmann

Bruno Bomer

Richard Sommer

Karlheinz Hildenbrand

Hans-Gunter Otten

Holger Ohst

Hans-Ulrich Siegmund

Piero Fossati

Wilhelm Stendel

Manfred Jautelat

Burkhard Kohler

Wolfgang Ebert

Thomas Scholl

Rutger Neeff

Knud Reuter

Hans J Rosenkranz

Ralf Dujardin

Karlheinz Wolf

Hans-Georg Hoppe

Florin Seng

Gunter Sackmann

Herbert Heidingsfeld

Wolfgang Nising

Ludger Heiliger

Winfried Mennicke

Karl-Heinz Schundehutte

Robert Kuth

Christoph G&uuml;rtler

Antonius Lobberding

Klaus Sommer

Hans-Volker Runzheimer

Dittmar Nerger

Henning Reel

Klaus-Friedrich Lehment

Heinz-Dieter Brandt

Meinhard Rolf

Jochen Westphal

Helmut Greiving

A Christopher Skjold

Aloysius Engel

Robert Weitz

Doris Hackemuller

Dietmar Mobius

Hans Werner Petroll

Heinz Kolbl

Wilhelm Gohrbandt

Gunther Franke

Heinrich C Schopper

Werner Kunnel

Using the process according to the invention, it is possible to provide, with few reaction steps, a novel route to &agr;-substituted ring systems which optionally have further substituents.

Process for synthesizing khi-substituted ring systems

A process for the preparation of a polyurethane-urea elastomer having a mole ratio of NCO groups to all active hydrogen atoms in the range of 0.9 to 1.2 is disclosed. The process comprise reacting (A), (B) and (C.2) for form an NCO-containing prepolymer and then reacting said prepolymer with (C.1) and (D). Accordingly (A) is 5-isocyanato-1-(isocyanatomethyl)-1,1,3-trimethylcyclohexane or bis-(4-isocyanatocyclohexyl)-methane,(B) is polytetrahydrofuran or hexanediol polycarbonate and (C.2) is a chain extender. (C.1) is 5-amino-3-amino-methyl-1,3,3-trimethylcyclohexane or bis-(4-aminocyclohexyl)-methane and (D) is a molecular weight regulator. The elastomer thus produced is particularly suitable for the preparation of moldings, films, flexible tubing (for medical purposes) and catheters.

Cycloaliphatic thermoplastic polyurethane elastomers

The invention relates to thermoplastic polyurethanes modified with segmented siloxane block copolymers which are based on relatively high molecular weight dihydroxy compounds, diisocyanates, and difunctional chain extenders. The application also relates to their use in the medical field, and particularly as a catheter material.

Thermoplastic polyurethanes modified by siloxane block copolymers

The invention relates to segmented N-alkyl polyurethane amides having an average molecular weight of 5,000 to 250,000, to a process for their production and to their use for the production of materials which may be used in the medical field.

Segmented N-alkyl polyurethane amides

The present invention is directed to pure polyurethanes which are biocompatible. These pure polyurethanes comprise the reaction product of:

Pure, in particular catalyst-free polyurethanes

The present invention relates to shaped articles which contain active compounds and are characterized in that they comprise, as carriers, thermoplastic elastomers based on polyether block amides, as well as customary additives if appropriate, and to processes for their production and to their use for control of pests in animals.

Shaped articles based on polyether block amide elastomers

The invention relates to blends of polyether copolycarbonates and other thermoplastics, to their production and to their use for the production of membranes, more particularly for dialysis.

Blends of polyether copolycarbonates and high molecular weight

The present invention relates to polymer dyestuffs, i.e. polymer-bound dyestuffs, to a process for their preparation and to their use, for example as markers in analytical procedures. Polymer dyestuffs contain linkable functional groups and are water-soluble under customary conditions of analysis. The polymer portion is usually responsible for this water solubility. The dyestuffs per se are often water-insoluble.

Polymer dyestuffs and preparation and use thereof

A dye acceptor element for thermosublimation printing comprising a support and a dye acceptor layer consisting essentially of polycarbonate arranged on the support, the polycarbonate containing 30 to 95% by weight aromatic carbonate structural units corresponding to formula I

Dye acceptor element for thermosublimation printing

An article of manufacture having a hydrophilic coating is disclosed. To the article which may be made of a thermoplastic or from a thermoset resin there is applied a coating which comprise a segmented, aliphatic-aromatic polyether block copolycarbonates containing aromatic carbonate structural units and aliphatic polyether carbonate structural units. The coating may contain a surfactant.

Polyether/polycarbonate block copolymer coatings for plastic moldings

Asymmetric semipermeable membranes which consist of aromatic polycondensates having recurring units of the formula

Asymmetric semipermeable membranes of aromatic polycondensates,

The present invention relates to a sensor with a novel construction for a detection method of molecules labelled with fluorescent dye for detecting these dissolved substances or analytes by energy transfer with a simple fluorescence technique and increased sensitivity in the detection as well as versatile use for different tasks and the possibility of reproducible preparation of films bound to solid surfaces.

Optical biosensor and method of use

Disclosed is a diagnostic test device which comprises a fluid permeable structural support member having on one side thereof a layer of a macroporous membrane comprising polyethyleneimine impregnated with iodate ion and on the other side of the support member having a layer of a microporous membrane having dispersed therein a chromogenic indicator capable of providing a colored response upon being oxidized. The intensity of the colored response is less subject to ascorbate interference due to the activity of the iodate ion.

Asymmetric sandwich membrane system having reduced ascorbate interference

The present invention is related to compounds of the general formula (I) ##STR1## wherein R.sup.1 denotes hydrogen, halogen or C.sub.1 -C.sub.4 alkyl and

AS-triazine compounds

Polymer-bound dyes, process for their production and use

Growing community of inventors

Bergisch Gladbach, Germany

Herbert Hugl