Patent ID: 9421808
Filing Date: 2016-08-23
CPC Classification: B41M

Claim Text:
1. An inkjet receiving element comprising a substrate having coated thereon a transparent topmost layer, wherein the topmost layer comprises (a) from 30 to 70 wt % of one or more aqueous soluble salts of multivalent metal cations, (b) from 5 to 20 wt % of a cross-linked hydrophilic polymer binder, (c) from 10 to 40 wt % of silica particles, and (d) from 4 to 12 wt % of a cationic polymer, wherein the silica particles have an average particle size less than 200 nm, wherein the weight ratio of cationic polymer to silica particles ranges from 1:1 at the uppermost salt concentration to 1:6 at the lowermost salt concentration, and wherein the topmost layer is present at a dry coverage in the range of 0.3 to 2.5 g/m