The invention provides an aqueous ink comprising a polymer having hydroxyl groups and a pigment, which can provide images excellent in scratch resistance and highlighter resistance and can inhibit the seeping out phenomenon of the polymer and the deterioration of ejection characteristics even when it...http://www.google.com.au/patents/US20070112095?utm_source=gb-gplus-sharePatent US20070112095 - AQUEOUS INK, INK JET RECORDING METHOD, INK CARTRIDGE, RECORDING UNIT AND INK JET RECORDING APPARATUS