Waterfast dye fixative compositions for ink jet recording...

Details Waterfast dye fixative compositions for ink jet recording... Waterfast dye fixative compositions for ink jet recording...

2008-08-15

2010-06-29

Wu, David (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S047000, C428S032300, C525S054310, C525S540000, C106S401000

Reexamination Certificate

active

07745525

ABSTRACT:
A coating composition comprising a blend of at least two dye fixatives, at least one of which is a cationic polymer, and at least one of the other dye fixatives is a polyvalent metal salt, to form a water-insoluble complex. The ink recording sheets comprise a composition that is absorbed into the surface of the substrate as a sizing material, or alternatively, forms a continuous layer on the substrate. The present invention also encompasses methods for making the ink jet recording sheets.

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