Stock material or miscellaneous articles – Ink jet stock for printing – Plural ink receptive layers
Reexamination Certificate
2005-01-11
2005-01-11
Shewareged, B. (Department: 1774)
Stock material or miscellaneous articles
Ink jet stock for printing
Plural ink receptive layers
C428S032280, C428S032300
Reexamination Certificate
active
06841204
ABSTRACT:
In a recording medium for a printer having a dye fixation layer mainly composed of an interlayer compound for receiving and holding a water-soluble dye by an intercalation reaction, and a binder, the ink is to be improved in ink absorption, fixation, water-proofness and bleeding characteristics to enable image formation to a high resolution. A dye fixation layer, mainly composed of an interlayer compound for fixing and holding the water-soluble dye by the intercalation reaction derived from the ion exchange action and the binder is formed as an outermost layer on a substrate2.The binder of the dye fixation layer contains an urethanated polyvinyl alcohol resin having an urethanation ratio of 1 to 20 mol %.
REFERENCES:
patent: 5560996 (1996-10-01), Ito et al.
patent: 6063836 (2000-05-01), Ito et al.
patent: 6281270 (2001-08-01), Ito et al.
patent: 6623818 (2003-09-01), Nakamura et al.
Ito Kengo
Nakamura Yoshinori
Shewareged B.
Sonnenschein Nath & Rosenthal LLP
Sony Corporation
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