Coating processes – Applying superposed diverse coating or coating a coated base – Synthetic resin coating
Reexamination Certificate
2007-10-09
2007-10-09
Fletcher, III, William Phillip (Department: 1762)
Coating processes
Applying superposed diverse coating or coating a coated base
Synthetic resin coating
C427S411000, C427S412100, C427S419200, C427S419500
Reexamination Certificate
active
11180995
ABSTRACT:
A method of producing an ink-jet recording sheet containing the steps of: (a) coating a water-based coating composition A to form a layer on a non-absorptive support, the coating composition A containing a hydrophilic binder and inorganic microparticles having an average particle diameter of primary particles of not more than 30 nm, (b) drying the coated layer so as to form a porous ink absorptive layer, and (c) applying a water-based coating composition B on the porous ink absorptive layer across a direction perpendicular to a conveying direction of the non-absorptive support employing a slot nozzle spray device, the slot nozzle spray device having: (i) a coating nozzle for supplying the water-based coating composition B; and (ii) a gas nozzle for ejecting a gas to an aperture portion of the coating nozzle, wherein the water-based coating composition B has a dynamic surface tension of 20 to 55 mN/m.
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European Search Report for appl. No. 05106471.5-2304, mailed Aug. 16, 2005, 3 pgs.
Kojima Shigeru
Nojima Takahiko
Sone Yosuke
Fletcher, III William Phillip
Konica Minolta Photo Imaging Inc.
Squire Sanders & Dempsey L.L.P.
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