Stock material or miscellaneous articles – Ink jet stock for printing – Quaternary ammonium compound ink receptive layer
Reexamination Certificate
2004-07-08
2009-06-09
Hess, Bruce H (Department: 1794)
Stock material or miscellaneous articles
Ink jet stock for printing
Quaternary ammonium compound ink receptive layer
C428S032240, C428S032380
Reexamination Certificate
active
07544402
ABSTRACT:
An ink jet recording media system is described which comprises at least one coating layer that comprises a zwitterionic copolymer or cooligomer, which copolymer or cooligomer comprises monomer units derived from at least one monomer selected from the group consisting of the zwitterionic monomers and at least one monomer selected from the group consisting of the hydroxy functional monomers and etherified hydroxy functional monomers. The media system exhibits fast dry times, excellent image quality, low levels of glycol smear, low color coalescence and excellent light fastness.
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Dungworth Howard
Naisby Andrew
Suhadolnik Joseph
Yale David A.
Ciba Specialty Chemicals Corporation
Hess Bruce H
Stevenson Tyler A.
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