Patent · US Active

Negative-working imageable elements with overcoat

US8318405B2 · kind B2 · utility

0Cited by

4References

14Claims

0Family size

Assignee

EASTMAN KODAK COMPANY · US

Inventors

Christopher D. Simpson · Osterode, DE
Harald Baumann · Tuttlingen, DE
Udo Dwars · Herzberg, DE
Bernd Strehmel · Berlin, DE

Key dates

Filing date	Mar 13, 2009
Grant date	Nov 27, 2012
Priority date	—
Expiry date	Dec 25, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24802
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Negative-working imageable element can be used to provide lithographic printing plates. The imageable element has a suitable radiation-sensitive imageable layer and a water-soluble overcoat disposed on the imageable layer. This overcoat comprises at least one poly(vinyl alcohol) having a saponification degree of at least 90%, an alkoxylation product of an alkanol, and either a 2-sulfonato succinic acid dialkylester or an alkoxylation product of a 1,4-butanediol.

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