Reference

Disazo compounds and ink-jet ink compositions containing them

Disazo compounds and ink-jet ink compositions containing them. Shirasaki, Yasuo; Fujii, Katsunori; Nagasaki, Kazunobu (Nippon Kayaku Kabushiki Kaisha; Kabushiki Kaisha Nippon Kayaku Tokyo, Japan). PCT Int. Appl. WO 2005007752 A1 27 Jan 2005, 30 pp. DESIGNATED STATES: W: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW; RW: AT, BE, BF, BJ, CF, CG, CH, CI, CM, CY, DE, DK, ES, FI, FR, GA, GB, GR, IE, IT, LU, MC, ML, MR, NE, NL, PT, SE, SN, TD, TG, TR. (Japanese). (World Intellectual Property Organization).Several reagents with their cas registry numbers 825655-28-5 and 3577-63-7 are used here. CODEN: PIXXD2. CLASS: ICM: C09B043-16. ICS: C09D011-00; B41J002-01; B41M005-00. APPLICATION: WO 2004-JP10015 14 Jul 2004. PRIORITY: JP 2003-275348 16 Jul 2003. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Section cross-reference(s): 41 The inks contain I [X = a specific diamine residue, e.g., NHC2H4NH, NHC3H6NH, NHCHMeCH2NH, etc.; Y = alkylamino substituted by sulfo and/or carboxy, phenoxy substituted by sulfo and/or carboxy, or anilino substituted by sulfo and/or carboxy]. The ink compns., when applied to plain paper and processed glossy paper, assume a bright yellow color and give a print excellent in light resistance, gas resistance, and fastness to wetting. .