Aluminum alloy blank for lithographic printing plate and...

Details Aluminum alloy blank for lithographic printing plate and... Aluminum alloy blank for lithographic printing plate and...

2005-03-17

2008-10-28

Schilling, Richard (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S278100, C148S437000, C148S438000, C420S537000, C420S548000, C428S650000

Reexamination Certificate

active

07442491

ABSTRACT:
There is provided an aluminum alloy blank for a lithographic printing plate including iron in a range of 0.20 to 0.80 wt %; and the balance being aluminum, a crystal grain refining element, and unavoidable impurity elements. The unavoidable impurity elements may include silicon and copper, wherein a content of silicon is in a range of 0.02 to 0.30 wt % and a content of copper is equal to or below 0.05 wt %. A solid solution amount of silicon is in a range of 150 ppm to 1500 ppm.

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Derwent abstr. 2004-250712; abstact of JP 2003342659 published Dec. 3, 2003.
European Search Report dated Jun. 4, 2007.

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