Bayer Aktiengesellschaft

Ralf Riedel

Gerhard Franz

Aloys Eiling

Gerd Passing

Wolfgang Krumbe

Lutz Ruwisch

Gunter Petzow

Andreas Gabriel

Edwin Kroke

Axel Greiner

The present invention relates to boron-containing carbosilanes, a process for their preparation, boron-containing oligo- or polycarbosilazanes, a process for their preparation and their use and silicon borocarbonitride ceramics and a process for their preparation.

Boron-containing carbosilanes, boron-containing oligo or polycarbosilazanes and silicon borocarbonitride ceramics

Carbodiimide polymers as precursors for C/N and B/C/N materials

The present invention relates to novel SiCN gels, which are obtained by reacting silylcarbodiimides R.sub.3 Si--NCN--SiR.sub.3 (R=alkyl, aryl) with silanes RSiX.sub.3 (R=H, alkyl, aryl; X=F, Cl, Br, I), and the use thereof to produce non-oxidic silicon ceramics.

SiCN gels as precursors of non-oxidic silicon ceramics

The present invention relates to an SiC powder suitable for the production of SiC sintered ceramics with compounds applied to its surface, these compounds being boron nitride and carbon; processes for production of the SiC powders; and the use of these powders to produce SiC sintered mouldings.

SI C powder, a process for its production and its use

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Babenhausen, Germany

Ralf Riedel