Method for providing lithographic printing plates
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United States of America Patent
Stats
-
May 8, 2018
Issued Date -
N/A
app pub date -
Sep 29, 2014
filing date -
Oct 15, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of making a lithographic printing plate includes the steps of a) image-wise exposing a lithographic printing plate precursor including a hydrophilic support and a coating containing a colorant precursor to form a lithographic image consisting of printing areas and non-printing areas, b) developing the plate precursor to remove the coating in the non-printing areas from the support, and c) drying the plate precursor, and d) subjecting the plate precursor to heat or radiation to induce a colour change of the coating in the printing areas, wherein before step b) the coating in the non-printing areas and the support are characterised by a CIE 1976 colour difference ΔE1 which is 5.0 or less, and after step d) the CIE 1976 colour difference ΔE2 between the coating in the printing areas and the non-printing areas is more than 6.8.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B41M Class
- 375 Applications Filed
- 345 Patents Issued To-Date
- 92 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B41M Class
- 0 % this patent is cited more than
- 7 Age
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| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 8, 2025 |
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