| 发明名称 |
CYANINE INFRA-RED ABSORBING COMPOSITIONS AND PROCESSES FOR THE P RODUCTION THEREOF |
| 摘要 |
Compositions comprising cyanine infra-red absorbing compounds are provided. The compositions are substantially free from certain impurities, particularly dimethylcarbamoyl chloride. A process for the preparation of cyanine infra-red absorbing compositions is also provided.
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| 申请公布号 |
WO0107524(A1) |
申请公布日期 |
2001.02.01 |
| 申请号 |
WO2000GB02778 |
申请日期 |
2000.07.19 |
| 申请人 |
AVECIA LIMITED;CAMPBELL, JAMES, STANLEY |
发明人 |
CAMPBELL, JAMES, STANLEY |
| 分类号 |
C09B23/01;(IPC1-7):C09B23/00;C09B23/08 |
主分类号 |
C09B23/01 |
| 代理机构 |
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