Wacker-chemie Gmbh

Doris Filusch

Wolfgang Hechtl

Michael Stepp

Stefan Oberneder

Erich Pilzweger

The invention relates to organosilicon compounds with at least three silicon atoms, consisting of units of the formula (I) R,Si(NR,C&boxH;ONR,),(NR,C&boxH;ONR,),Y,O,&lsqb;(CR,),&rsqb;,, where Y represents units of the formula (II) &mdash;SiR,(NR,C&boxH;ONR,),(NR,C&boxH;ONR,),, where R, R,, R,, R,, R,, R,and R,independently of each other can be either identical or different and represent a hydrogen atom or possibly substituted monovalent hydrocarbon radicals with between 1 and 20 carbon atoms; and where a, k, t, n, m, r, s, p and q have the meaning assigned to them in claim,, under the provision that the sum of p&plus;q is &lE;3, the sum of a&plus;k&plus;l&plus;m&plus;n&plus;r equals 4, the sum of m&plus;r equals 0 or 1, and the organosilicon compound of the invention contains at least one unit of formula (I) where t is not equal to 0.

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Burghausen, Germany

Doris Filusch