Phthalocyanine compound, ink composition containing the compound, and printing method thereof

Patent name phthalocyanine compound, ink composition containing the compound, and printing method Patent applicant Ivsia Co., Ltd. Principal Applicant Address Manchester Manchester Inventor P Patel Application (Patent) No. 03823995.7 Date of Application 2003.09.19 Approval Date Approval No. 1688663 Auditing Notice Day 2005.10.26 Instruction CD No. D0543 Main Classification No. C09D11/00 Classification No. C09D11/00; C09B47/26 Sub-item Original Application No. Priority No. 2002.10.12 GB 0223817.8 Abstract A Methods for on-material imaging and compositions, inks, compounds, and ink jet printer cartridges, the methods comprising applying a composition comprising the following components to a substrate via an ink jet printer: (a) a compound of formula (1) And salts thereof, wherein: M is copper or nickel; Pc represents a phthalocyanine nucleus of formula (2); Rsup1/sup, Rsup2/sup, and Rsup3/sup are independently hydrogen or optionally substituted Csub1-4/sub alkyl; Rsup4/sup is optionally substituted Csub1-4/sub-hydroxyalkyl; x is greater than 0 and less than 1.8; both y and z are greater than 0; and the sum of (x+y+z) is 2.4-4.5; and (b) Liquid medium. Slaves 1. A method of imaging on a substrate comprising applying a composition comprising the following components to a substrate via an ink jet printer: (a) a compound of formula (1) and its salt: (1) wherein: M is copper or nickel; Pc represents a phthalocyanine nucleus of formula (2); formula (2) R1, R2 and R3 are independently hydrogen or optionally substituted C1-4 alkyl; R4 is optionally substituted C1-4-hydroxyalkyl; x is greater than 0 and less than 1.8; both y and z are greater than 0; and the sum of x+y+z is 2.4-4.5; and (b) liquid medium. International Application 2003-09-19 PCT/GB2003/004035 International Publication 2004-04-29 WO2004/035701 Date of Entry into the Country Patent Agency China Patent Agency (Hong Kong) Co., Ltd. Agency Address Agent Zou Xuemei