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EP0305985A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for the production of ceramic fibres on the basis of boron nitride

Assignee: Wacker Chemie AG
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Filing: 1988-08-31
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Granted: —
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Expires: 2008-08-31
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Abstract

Abstract In the process, a polyborazine, obtained by reacting at least one boron trihalide of the formula BX3, in which X is a fluorine, chlorine, bromine or iodine radical, with at least one organodisilazane of the formula R(CH3)2SiNHSi(CH3)2R, in which R represents hydrogen or identical or different alkyl radicals or aryl radicals, is spun into fibres and pyrolysed under an inert atmosphere or in vacuo at temperatures in the range from 800 to 1500 DEG C.

Inventors

  • 👤 Alfred Dr. Dipl.-Chem. Rengstl

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 01:54
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/583; C04B35/622; C04B35/62227

Claims Analysis

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References Cited (Backward Citations)

EP0161751A1 Cited
US4581468A Cited
US4707556A Cited

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