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1. 发明授权

US06645280B1 Jet ink composition for printing watermarks 有权
标题翻译：用于印刷水印的喷墨油墨组合物
公开(公告)号：US06645280B1
公开(公告)日：2003-11-11
申请号：US09579519
申请日：2000-05-26
申请人： Linfang Zhu , Christopher D. Peterson
发明人： Linfang Zhu , Christopher D. Peterson
IPC分类号： C09D1100
CPC分类号： C09D11/50 , C09D11/36
摘要： The present invention provides a jet ink composition suitable for printing watermarks on paper substrates. The jet ink composition comprises a solvent and a translucentizing agent. An example of a translucentizing agent is sucrose acetate isobutyrate. The present invention further provides a method of ink jet printing watermark on an object comprising projecting a stream of droplets of the ink composition and controlling the direction of the stream so that the droplets form the watermark on the object. The method of the present invention has the advantage that it provides high speed watermarking capability. The method provides a further advantage that it is economical in changing the design of watermarks. The method is versatile and allows changes in the design of watermarks to be incorporated readily.
摘要翻译：本发明提供了适用于在纸基材上印刷水印的喷墨油墨组合物。喷墨油墨组合物包含溶剂和半透明剂。半透明剂的实例是异丁酸蔗糖醋酸酯。本发明还提供了一种在物体上的喷墨打印水印的方法，包括投影墨水组合物的液滴流并控制流的方向，使得液滴在物体上形成水印。本发明的方法具有提供高速水印能力的优点。该方法提供了进一步的优点，即在改变水印的设计方面是经济的。该方法是多功能的，并且允许水印的设计变化容易地并入。

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