A reaction liquid containing a reactive substance that reacts with at least one component in an ink composition containing a coloring material in a dispersed state, in which the reactive substance is a polyvalent metal compound having multiple reactive sites in one molecule, a set of ink and a reaction...http://www.google.com.au/patents/US20060125895?utm_source=gb-gplus-sharePatent US20060125895 - Reaction liquid, set of ink composition and reaction liquid, and image recording method
