Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Patent
1994-04-25
1996-10-22
Nazario-Gonzalez, Porfirio
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
556 7, 556 8, 556 12, 556 27, 528 9, 528 10, C07F 1900
Patent
active
055678327
ABSTRACT:
The present invention relates to polymeric multinary azanes built up from units of the general formula [E(NR.sup.1 R.sup.2).sub.a (NR.sup.3).sub.b/2 ], wherein E may be B,Al,Ga,In,Si,Ge,Ti, Zr, Hf,V,Nb,Ta,Cr,Mo or W and R.sup.1,R.sup.2,R.sup.3 may be H, C.sub.1 -C.sub.6 alkyl, vinyl or phenyl; methods for the preparation of these polymers and their use as precursors for high-performance ceramics.
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Baldus Hans-Peter
Jansen Martin
L offelholz Josua
Perchenek Nils
Bayer AG
Nazario-Gonzalez Porfirio
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