| 发明名称 |
Method of improving coverage of chromogenic reaction product |
| 摘要 |
Coverage of a chromogenic reaction product over a substrate is improved by incorporating a color developer in the substrate and coating the substrate with a color former to form a colored reaction product.
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| 申请公布号 |
US5880063(A) |
申请公布日期 |
1999.03.09 |
| 申请号 |
US19970813030 |
申请日期 |
1997.03.06 |
| 申请人 |
WALLACE COMPUTER SERVICES, INC. |
发明人 |
HOFFMAN, DONALD J.;CHANG, JOHN C. H. |
| 分类号 |
G01J1/50;(IPC1-7):B41M5/136 |
主分类号 |
G01J1/50 |
| 代理机构 |
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| 地址 |
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