Lithographic printing plate precursor and method of use

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12222645
APP PUB NO 20230314935A1
SERIAL NO

17844953

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Importance

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Abstract

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IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR-sensitive image-recording layer. The IR radiation-sensitive layer includes: (1) a free radical initiator composition with an electron-donating agent and one or more iodonium cations; (2) a free radically polymerizable composition; and (3) a color-changing compound of Structure (I) having an indene ring in the conjugated chain between the aromatic terminal groups. The IR radiation-sensitive composition and layer also contains one or more borate ions such that the molar ratio of one or more borate ions to the one or more iodonium ions is at least 0.5:1. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed on-press.

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Patent Owner(s)

Patent OwnerAddress
EASTMAN KODAK COMPANY343 STATE STREET PATENT LEGAL STAFF ROCHESTER NY 14650-0208

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hansmann, Stefanie Osterode, DE 7 0
Huang, Jianbing Trumbull, US 86 828
Simpson, Christopher D Osterode, DE 26 59
Werner, Saija HattorF, DE 10 13

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