Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1991-12-13
1993-02-02
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430141, 430143, 430155, 430157, 430158, 430165, 430166, 430257, 430271, 430292, 430293, C03F 7021, C03F 7023, C03F 7032, G03C 518
Patent
active
051837234
ABSTRACT:
This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of printing paper stocks. Upon exposure to an actinic radiation source through a screened image and development, it can accurately reproduce the image on the degradable sheet. The construction is useful as a color proof which can be employed to accurately predict the image quality from a lithographic printing process on a variety of printing surfaces.
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Dunder Thomas
Platzer Stephan J. W.
Procter Arthur E.
Hoechst Celanese Corporation
Le Hoa Van
Roberts Richard S.
Young Christopher G.
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