Patent · US Active

On-press developable lithographic printing plate precursors

US8900798B2 · kind B2 · utility

3Cited by

12References

15Claims

0Family size

Assignee

EASTMAN KODAK COMPANY · US

Inventors

Celin Savariar-Hauck · Badenhausen, DE
Gerhard Hauck · Badenhausen, DE

Key dates

Filing date	Oct 18, 2010
Grant date	Dec 2, 2014
Priority date	—
Expiry date	Jul 15, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41C2210/266
WIPO fieldOptics
WIPO sectorInstruments

Abstract

On-press developable, negative-working, infrared radiation-sensitive lithographic printing plate precursors have an imageable layer on a substrate. The imageable layer includes a free radically polymerizable component, an initiator composition capable of generating free radicals upon exposure to infrared radiation, a polymeric binder, a first infrared radiation absorbing compound that has a tetraaryl pentadiene chromophore, and a second infrared radiation absorbing compound that is different than the first infrared radiation absorbing compound. The first IR absorbing compound absorbs in both the IR and visible regions of the electromagnetic spectrum and provides coloration for visual inspection of the lithographic printing plates.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.