C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/018 (2006.01) C01B 33/035 (2006.01) C01B 33/12 (2006.01) C03B 8/04 (2006.01) C03B 19/14 (2006.01) C03B 20/00 (2006.01)
Patent
CA 2292985
A process for producing a high-purity optical silica preform, comprising (a) vaporization of an organosilicon compound; (b) thermal decomposition of the said organosilicon compound in the vapour state, to give amorphous fused silica particles; (c) deposition of the said amorphous fused silica particles on a support, in which the said organosilicon compound has the formula (I) (See formula I) in which R1, R2, R3 and R4 have the meanings given in the text.
Arimondi Marco
Roba Giacomo Stefano
Kirby Eades Gale Baker
Pirelli & C. S.p.a.
Prysmian Cavi E. Sistemi Energia S.r.l.
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