impluCorporation

• Patents > 2007-11-22 > SECTION C CHEMISTRY; METALLURGY > DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR > COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR

INK COMPRISING GALLIUM NAPHTHALOCYANINE DYE

Abstract

An ink comprising an IR-absorbing naphthalocyanine dye of formula (I) is described: Wherein M is Ga(A1); A1 is an axial ligand selected from -OH, halogen, -OR3, -OC(O)R4; R1 and R2 may be the same or different and are selected from hydrogen or C1-12 alkoxy; R3 is selected from C1-12 alkyl, C5-12 aryl, C5-12 arylalkyl or Si(Rx)(Ry)(Rz); and R4 is selected from C1-12 alkyl, C5-12 aryl or C5-12 arylalkyl Rx, Ry and Rz may be the same or different and are selected from C1-12 alkyl, C5-12 aryl, C5-12 arylalkyl, C1-12 alkoxy, C5-12 aryloxy or C5-12 arylalkoxy; and W is a sulfonic acid group, including salts thereof.

Filed on: 2007-08-01; Application Number: 11832629