C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 311/92 (2006.01) G02B 5/23 (2006.01)
Patent
CA 2287961
The object of the present invention is a photochromic composition incorporating: + 2-(p-dimethylaminophenyl)-2-(p-methoxyphenyl)-5-methyl-7,9- dimethoxy-[2H]-naphtho[1,2-b]pyran (compound (I)), and + 3-(p-methoxyphenyl)-3- phenyl-6-morpholino-3H-naphtho-[2,1-b]pyran (compound (II)). The invention also relates to said compounds (I) and (II) per se, (co)polymer matrices containing same, advantageously in a mixture, as well as finished products constituted wholly or in part of such matrices and/or containing one and/or the other of said compounds (I) and (II).
L'invention concerne une composition photochrome renfermant: + 2-(p-diméthylaminophényl)-2-(p-méthoxyphényl)-5-méthyl-7,9-diméthoxy -[2H]-naphtho[1,2-b]pyran (composé (I)), et + 3-(p-méthoxyphényl)-3-phényl-6-morpholino-3H-naphtho-[2,1-b]pyran (composé (II)). L'invention concerne aussi: les composés (I) et (II) en tant que tels, des matrices (co)polymères les contenant, avantageusement sous forme de mélange, ainsi que des produits finis constitués en totalité ou en partie desdites matrices et/ou renfermant l'un et/ou l'autre des composés (I) et (II).
Breyne Olivier
Chan You-Ping
Henry David
Lafosse Xavier
Corning S.a.
Corning Incorporated
Gowling Lafleur Henderson Llp
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