Multilayer positive-working imageable elements and their use

Details Multilayer positive-working imageable elements and their use Multilayer positive-working imageable elements and their use

2008-08-11

2011-11-22

Kelly, Cynthia (Department: 1722)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S286100, C430S302000

Reexamination Certificate

active

08062827

ABSTRACT:
Positive-working imageable elements can be used to prepare lithographic printing plates. These elements have at least two layers (inner and outer) arranged on a suitable substrate. The inner layer that is closer to the substrate includes one or more polymeric binders that include pendant oxazoline groups and acid groups that are reactive with the oxazoline groups during a post-baking step after development. The resulting imageable elements are more quickly baked in this manner to provide improved run length and resistant to press chemicals.

REFERENCES:
patent: 4582877 (1986-04-01), Fairchok et al.
patent: 6699636 (2004-03-01), Savariar-Hauck
patent: 6893783 (2005-05-01), Kitson et al.
patent: 7049045 (2006-05-01), Kitson et al.
patent: 7060415 (2006-06-01), Kitson et al.

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