Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2007-06-26
2009-11-24
Walke, Amanda C. (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
C430S270150, C430S302000, C430S913000, C430S944000, C430S945000
Reexamination Certificate
active
07622241
ABSTRACT:
An initiator composition and infrared radiation-sensitive composition include an onium cation and a boron-containing anion as well as a metallocene. These compositions can be used to provide negative-working imageable elements that can be imaged and developed to provide lithographic printing plates that have desired imaging speed, excellent run length, and shelf life without the need for a post-exposure baking step and oxygen barrier overcoat.
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Eastman Kodak Company
Tucker J. Lanny
Walke Amanda C.
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