Coating processes – With post-treatment of coating or coating material – Heating or drying
Reexamination Certificate
2008-03-18
2011-12-13
Lightfoot, Elena T (Department: 1715)
Coating processes
With post-treatment of coating or coating material
Heating or drying
C427S378000, C427S379000, C427S384000, C427S385500, C427S407100
Reexamination Certificate
active
08075955
ABSTRACT:
A method for making a positive photosensitive planographic printing plate including of a base having formed thereon in this order an undercoat layer and an image recording layer, wherein the undercoat layer is obtained by applying an undercoat layer solution containing a solvent and an acrylic resin having an alkali-soluble group, followed by drying the coating, the image recording layer contains a novolac resin and an infrared absorbing agent, and the applied undercoat layer solution is dried in an undercoat layer drying step which includes a steam-containing hot air drying step using steam-containing hot air having a temperature of 90° C. to 200° C., and a relative humidity of 8% to 70%.
REFERENCES:
patent: 1424969 (1922-08-01), White
patent: 2005/0058936 (2005-03-01), Kawauchi et al.
patent: 11-218914 (1999-08-01), None
patent: 2004-205720 (2004-07-01), None
patent: 2007/136005 (2007-11-01), None
Kawauchi Ikuo
Taguchi Takao
Fujifilm Corporation
Lightfoot Elena T
Sughrue & Mion, PLLC
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