Patents Assigned to NIPPON KAYAKU KUBUSHIKI KAISHA
  • Publication number: 20080070009
    Abstract: The present invention relates to an aqueous dispersion of a water-insoluble coloring material having superior shelf life stability which is suitable to an ink for ink-jetting, an ink composition superior in shelf life stability and discharge property, a method for inkjet recording using said ink composition, and recorded article obtained thereby. Said aqueous dispersion is characterized by comprising a water-insoluble coloring material, water, an anionic dispersing agent, and an alkylene oxide adduct of phytosterols and/or an alkylene oxide adduct of cholestanols, and said ink composition is characterized by further comprising an organic solvent in addition to the above components.
    Type: Application
    Filed: June 7, 2005
    Publication date: March 20, 2008
    Applicant: NIPPON KAYAKU KUBUSHIKI KAISHA
    Inventors: Yoshiki Akatani, Katsunori Fujii, Yuji Suzuki, Mariko Umeda, Tadahiko Tabe, Yoshiyuki Dejima