Stock material or miscellaneous articles – Ink jet stock for printing – Plural ink receptive layers
Reexamination Certificate
2011-03-15
2011-03-15
Shewareged, Betelhem (Department: 1785)
Stock material or miscellaneous articles
Ink jet stock for printing
Plural ink receptive layers
C428S032280, C428S032290, C428S032320, C428S032350, C428S032360
Reexamination Certificate
active
07906187
ABSTRACT:
An ink jet recording sheet is provided that delivers a photoparity image when printed with ink jet printer. The recording sheet comprises a two-layer coating. The bottom layer comprises amorphous silica and the top layer comprises spherical colloidal silica. Both silicas are rendered cationic. The recording sheet provides fast dry time, excellent image quality and superior water resistance and handle ability.
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Nissan Chemical America Corporation, SNOWTEX, Mar. 1, 2005 (4 pages).
HPDC, Notice of Opposition dated Sep. 24, 2009, EP App. No. 03024389.3.
Bi Yubai
Brugger Pierre-Alain
Peternell Karl
Staiger Martin
Steiger Rolf
Hewlett--Packard Development Company, L.P.
Shewareged Betelhem
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