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
2007-04-10
2007-04-10
Gilliam, Barbara L. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S302000, C101S453000
Reexamination Certificate
active
10508277
ABSTRACT:
A composition for positive heat sensitive computer-to-plate (CTP) lithographic printing plates comprising a phenolic resin and an IR absorber characterized by the fact that the composition contains from 1 to 30% w/w of an organic oxygenated phosphorous compound chosen from the group of general formula (I):wherein R1, R2, and R3are independently a C4–C8alkyl group or an aryl group.
REFERENCES:
patent: 4772534 (1988-09-01), Kawamura et al.
patent: 2002/0172889 (2002-11-01), Oohashi
patent: 11-084644 (1999-03-01), None
Bassi Giuseppe Li
Norcini Gabriele
Romagnano Stefano
Visconti Marco
Gilliam Barbara L.
Lamberti SpA
Madan Mossman & Sriram P.C.
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