Patent · US Expired

Preparation of polyaminoborazines

US5470933A · kind A · utility

5Cited by

5References

17Claims

0Family size

Assignee

RHONE-POULENC CHIMIE · FR

Inventors

Gerard Mignani · Val-de-Reuil, FR
Christophe Richard · Landerneau, FR
Roger Trichon

Key dates

Filing date	Sep 15, 1993
Grant date	Nov 28, 1995
Priority date	—
Expiry date	Sep 15, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G79/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Monodisperse, homogeneous polyaminoborazines, well suited for pyrolysis into ceramic BN shaped articles, e.g., fibers, films, etc., are prepared by thermally polycondensing a trifunctional aminoborazine under conditions of polycondensation reaction equilibrium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.