Polycyclic dyes

Details Polycyclic dyes Polycyclic dyes

C - Chemistry, Metallurgy

09

B

260/236.22

C09B 3/78 (2006.01) C09B 3/00 (2006.01) C09B 3/30 (2006.01) C09B 3/44 (2006.01) C09B 3/64 (2006.01) C09B 3/74 (2006.01) G03C 1/675 (2006.01) G03C 1/73 (2006.01) G03G 5/06 (2006.01)

Patent

CA 1039720

ABSTRACT Novel polycyclic aromatic dye compounds are provided comprising at least two moieties in conjugate relationship as part of a single chromophore, each moiety comprising three linearly kata condensed six-membered aromatic rings with solubilizing groups attached to each moiety. At least one auxochromic group comprising an atom having an atomic weight of at least 31 is bonded to the chromophore portion of the compound by means of said atom.

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