| 发明名称 |
INDOLINO-SPIRO OXAZINE PHOTOCHROMIC COMPOUNDS INCLUDING FIVE ATOM RINGS, METHOD FOR THEIR PREPARATION, PHOTOCHROMIC COMPOSITIONS AND ARTICLES CONTAINING SUCH COMPOUNDS |
| 摘要 |
|
| 申请公布号 |
AU626099(B2) |
申请公布日期 |
1992.07.23 |
| 申请号 |
AU19900056811 |
申请日期 |
1990.06.05 |
| 申请人 |
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE) |
发明人 |
ROBERT GUGLIELMETTI;PASCALE TARDIEU |
| 分类号 |
C07D498/20;C07D513/20;C09K9/02;G03C1/685;(IPC1-7):C07D498/20;G02B1/04 |
主分类号 |
C07D498/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
