C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 311/78 (2006.01) C07C 39/17 (2006.01) C07D 311/92 (2006.01) C07D 311/94 (2006.01) C07D 311/96 (2006.01) C08K 5/15 (2006.01) C08K 5/1545 (2006.01) G02B 5/23 (2006.01)
Patent
CA 2363542
The invention relates to novel naphthopyran- and phenanthropyran-type compounds having a carbobicycle annelated in 5,6- position. These compounds have formula (I). These compounds (I) have interesting photochromic properties. The invention also relates to their preparation, to their applications as photochromes, as well as to the compositions and (co)polymer matrices containing them.
L'invention porte sur de nouveaux composés de type naphthopyrane- et phénanthropyrane- présentant un groupe carbo bicyclique annelé en position 5,6-. Ces composés, de formule (I), ont d'intéressantes propriétés photochromes. L'invention porte en outre sur leur préparation, leurs applications comme photochromes, ainsi que sur des compositions et matrices de (co)polymères les contenant.
Chan You Ping
Jean Patrick
Corning S.a.
Gowling Lafleur Henderson Llp
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