| 发明名称 |
COMPOSES PHOTOCHROMIQUES NAPHTO (2,1-B) PYRANES A SUBSTITUTIONS BI OU TERTHIENYLE, LEUR PROCEDE DE FABRICATION, MATERIAUX ET ARTICLES PHOTOCHROMIQUES OBTENUS |
| 摘要 |
<p>The photochromic compounds of the invention correspond to the formula:in which Th2 represents a bithienyl group in one of the positions 5 to 10 of the naphthenic ring system system, R1 denotes a bithienyl or trithienyl group and R2 denotes a bithienyl, trithienyl, aryl, naphthyl, thienyl, furyl, pyrrolyl or N-alkylpyrrolyl group.</p> |
| 申请公布号 |
FR2796077(B1) |
申请公布日期 |
2001.10.05 |
| 申请号 |
FR19990008875 |
申请日期 |
1999.07.08 |
| 申请人 |
ESSILOR INTERNATIONAL - COMPAGNIE GENERALE D'OPTIQUE |
发明人 |
FRIGOLI MICHEL;MOUSTROU CORINNE;SAMAT ANDRE;GUGLIELMETTI ROBERT |
| 分类号 |
B32B17/10;C07D409/14;C09K9/02;G02B5/23;(IPC1-7):C09K9/02;B64C1/14;A42B3/22;G02B1/00;C08J7/04 |
主分类号 |
B32B17/10 |
| 代理机构 |
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