Invention Grant
US5965326A Method for selectively deleting undesired ink-receptive areas on wet
lithographic printing constructions incorporating metallic inorganic
layers
失效
用于选择性地删除掺有金属无机层的湿式平版印刷结构上的不期望的墨接受区域的方法
- Patent Title: Method for selectively deleting undesired ink-receptive areas on wet lithographic printing constructions incorporating metallic inorganic layers
- Patent Title (中): 用于选择性地删除掺有金属无机层的湿式平版印刷结构上的不期望的墨接受区域的方法
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Application No.: US786827Application Date: 1997-01-21
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Publication No.: US5965326APublication Date: 1999-10-12
- Inventor: Ernest W. Ellis
- Applicant: Ernest W. Ellis
- Applicant Address: NH Hudson
- Assignee: Presstek, Inc.
- Current Assignee: Presstek, Inc.
- Current Assignee Address: NH Hudson
- Main IPC: B41N3/08
- IPC: B41N3/08 ; B41C1/10 ; B41M1/08 ; G03F7/02
Abstract:
To delete undesired ink-receptive areas on a wet lithographic printing construction, an oleophobic material is applied to the hydrophilic surface of the plate that has suffered contamination and/or scratching, and allowed to cure. So long as the hydrophilic surface is capable of permanently bonding the oleophobic deletion agent, the areas to which that agent has been applied will not accept ink.
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