发明名称 |
Method and apparatus for applying chemical watermarks on substrate |
摘要 |
A method and an apparatus for applying chemical watermarks to a substrate, e.g., paper, using a digital printer which prints ink in a dot matrix pattern. The ink may contain either a translucentizing agent or an opacifying agent. The printer is digitally controlled to print ink in accordance with a computer program corresponding to a desired pattern or image. |
申请公布号 |
AU7090300(A) |
申请公布日期 |
2001.03.26 |
申请号 |
AU20000070903 |
申请日期 |
2000.08.30 |
申请人 |
INTERNATIONAL PAPER COMPANY |
发明人 |
ROBERT L. DAIGNEAULT;MICHAEL F. KOENIG;OTTO ONDRUSKA;DANIEL R. ROGERS;JIYUE YANG |
分类号 |
B42D15/02;B41J2/01;B41J29/00;B41J29/40;B41M5/00;B41M5/50;B41M5/52;C09D11/00;G06T1/00 |
主分类号 |
B42D15/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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