C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 65/40 (2006.01) C08G 65/00 (2006.01) C08G 79/04 (2006.01) G02B 1/04 (2006.01)
Patent
CA 2363099
A melt polymerization method for producing poly(arylene ethers phosphine oxide)s suited to optical applications comprising reacting a trimethyl silyl derivative of bisphenol and an activated aromatic dihalide, wherein either reactant is a phosphine oxide, is provided.
L'invention concerne un procédé de polymérisation par fusion permettant de produire des oxydes de poly(arylène éthers phosphine) appropriées pour des applications optiques. Ce procédé consiste à faire réagir un dérivé triméthyle silyle de bisphénol et un dihalide aromatique activé où chaque réactif est un oxyde de phosphine.
Bhatnagar Atul
Mcgrath James E.
Mecham Beverly Sue
Sekharipuram Venkateshwaran N.
Essilor International (compagnie Generale D'optique)
Johnson & Johnson Vision Products Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Virginia Tech Intellectual Properties Inc.
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