An aggregation stabilizer is further added to an ink composition for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that is condensation-polymerized in the absence of the water. With this aggregation stabilizer, a hardly-soluble or insoluble component formed...http://www.google.de/patents/US7250077?utm_source=gb-gplus-sharePatent US7250077 - Ink composition for inkjet recording, ink cartridge and recording apparatus
