Bayer Aktiengesellschaft

Claudia Schmid

Wolfgang Podszun

Olaf Halle

Thomas Knauf

Reinhold M Klipper

Gerd Sylvester

Alfred Mitschker

Akhtar Osman

Warren Mark Kelly

Hans-Karl Soest

Andreas Stumpf

Lothar Feistel

Rüdiger Seidel

Karl-Heinz Aleksander Ostojola Starzewski

Process for preparing monodisperse weakly basic or optionally strongly basic anion exchangers of the poly(meth)acrylamide type, the ion exchangers themselves and their use.

Monodisperse anion exchangers

The invention relates to a process for preparing substantially monodisperse crosslinked bead polymers useful as precursors for ion exchangers.

Process for preparing monodisperse crosslinked bead polymers

This invention relates to a method for the suspension polymerization of conjugated dienes in hydrocarbon mixtures comprising a fraction by volume greater than 80% of C hydrocarbons wherein polymerization is conducted in the presence of a rare earth compound, of one or more aluminum compounds, and optionally of an additional Lewis acid. The invention further relates to the polymers which can be produced according to the present invention and to the use thereof for the production of moldings of all types, particularly tires and industrial rubber products, and for blending with polystyrene (HIPS).

Method for the suspension polymerization of conjugated dienes

Cycloolefin copolymers for use for optical data memories, can be prepared by copolymerization of monomers from the group consisting of cyclic olefins, &agr;-olefins having 2 or more C atoms and optionally conjugated or non-conjugated diolefins, the catalysts employed being metallocene compounds or &pgr; complex compounds of the formula

Method for producing cycloolefin (CO) polymers for use in optical data memories

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Leverkusen, Germany

Claudia Schmid