Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2008-06-02
2011-12-20
Chapman, Mark (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C430S132000, C564S315000
Reexamination Certificate
active
08080351
ABSTRACT:
Triarylmethane compounds used as antioxidants in overcoat layers to alleviate printing defects and an improved chemical process for the synthesis of these triarylmethane compounds using an acetal derivative of an aldehyde which significantly reduces reaction time and results with the formation of substantially no byproducts.
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Heuft Matthew A.
Hu Nan-Xing
Saban Marko
Toth Alan E. J.
Chapman Mark
Pillsbury Winthrop Shaw & Pittman LLP
Xerox Corporation
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