C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 311/92 (2006.01) C07C 37/00 (2006.01) C07C 37/07 (2006.01) C07C 39/38 (2006.01) C07D 493/04 (2006.01) C08K 5/15 (2006.01) C09K 9/02 (2006.01) G02B 5/23 (2006.01)
Patent
CA 2390109
The invention relates to novel compounds of the naphthopyran type which have a perfluoroalkyl group (X) in position 5. These compounds are of formula (I) given below. These compounds (I) possess interesting photochromic properties. The invention also relates to their preparation, their applications as photochromes as well as the compositions and matrices containing them.
L'invention concerne des composés du type naphtopyrane présentant un groupe perfluoroalkyle (X) en position 5 et ayant la formule (I). Ces composés (I) présentent d'intéressantes propriétés photochromiques. L'invention concerne également la préparation de ces composés, leurs applications comme photochromes, ainsi que les compositions et les matrices les renfermant.
Breyne Olivier
Chan You-Ping
Jean Patrick
Corning S.a.
Gowling Lafleur Henderson Llp
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