Patent ID: 7138162

Claim:
An unimaged ink jet recording element for use in inkjet printing an image comprising a support having thereon a porous image-receiving layer for receiving the image comprising a polymeric binder, said porous image-receiving layer containing a metal hydroxide salt coated in particulate form, (M 2+ )(OH) a (A p − ) b .xH 2 O; wherein: M 2+ is at least one metal ion having a 2+ oxidation state, wherein M is zinc or tin; A is an organic anion or else an inorganic anion other than hydroxy; p is 1 or 2; and x is equal to or greater than 0; and a and b comprise rational numbers as follows: 0<a<2 and 0<b<2 so that the charge of M 2+ is balanced wherein said metal hydroxide salt is in particulate form.