Patents Assigned to The Federal State of Bavaria, Germany as represented by The University of Bayreuth
  • Patent number: 6544657
    Abstract: The invention concerns a synthesis method for an oligosilazane-containing condensation product comprising the following step: conversion of oligosilazane composition with an average molecular weight of no more than 1000 g/mol, with a dialk(en)ylamino compound of the following formula (I) A[N(R4)2]m  (I) in which A is at least one element chosen from B, Al, Ti, Zr, and Hf, R4 is an alkyl group or alkenyl group and m is the valence of element A, in which the reaction is run so that an average of 1.6-2.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: April 8, 2003
    Assignee: The Federal State of Bavaria, Germany as represented by The University of Bayreuth
    Inventors: Gunter Motz, Frauke Stenzel, Gunter Ziegler