| 发明名称 |
Photochemische Erzeugung von Farbstoffen |
| 摘要 |
<p>A photosensitive element for the production of near infrared absorbing images having a photosensitive medium comprising a trialkyl orthoester, a photochemical source of a strong acid and a compound of the formula (I): <CHEM> in which: n is 0 or 1, R<1> and R<2> independently represent hydrogen or an alkyl group of up to 5 carbon atoms and Ar1 and Ar2 represents aryl groups bearing an electron-donating substituent in the 4-position.</p> |
| 申请公布号 |
DE69314457(T2) |
申请公布日期 |
1998.02.26 |
| 申请号 |
DE1993614457T |
申请日期 |
1993.10.27 |
| 申请人 |
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US |
发明人 |
ELLIS, RICHARD J, GREAT DUNMOW ESSEX CM6 1XA, GB |
| 分类号 |
G03C1/675;G03C1/72;G03C1/83;G03C5/16;G11B5/735;G11B5/82;G11B7/244;G11B7/247;G11B7/249;G11B13/04;(IPC1-7):G03C5/16;G11B7/24;B41M5/40;B41M5/38 |
主分类号 |
G03C1/675 |
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