Patent Number: 7,824,484

Title: Substrate having gallium naphthalocyanine salt disposed thereon

Abstract: A substrate having an IR-absorbing dye disposed thereon. The dye is a naphthalocyanine dye of formula (I): ##STR00001## wherein M is Ga(A.sup.1); A.sup.1 is an axial ligand selected from the group consisting of: OH, halogen, OR.sup.3, --OC(O)R.sup.4 and O(CH.sub.2CH.sub.2O).sub.eR.sup.e wherein e is an integer from 2 to 10 and R.sup.e is H, C.sub.1-8 alkyl or C(O)C.sub.1-8 alkyl; R.sup.1 and R.sup.2 may be the same or different and are selected from the group consisting of: hydrogen and C.sub.1-12 alkoxy; R.sup.3 is selected from the group consisting of: C.sub.1-12 alkyl, C.sub.5-12 aryl, C.sub.5-12 arylalkyl and Si(R.sup.x)(R.sup.y)(R.sup.z); R.sup.4 is selected from the group consisting of: C.sub.1-12 alkyl, C.sub.5-12 aryl and C.sub.5-12 arylalkyl; R.sup.x, R.sup.y and R.sup.z may be the same or different and are selected from the group consisting of: C.sub.1-12 alkyl, C.sub.5-12 aryl, C.sub.5-12 arylalkyl, C.sub.1-12 alkoxy, C.sub.5-12 aryloxy and C.sub.5-12 arylalkoxy; and each B is independently a base, wherein BH.sup.+ has a pK.sub.a of between 4 and 9.

Inventors: Indusegaram; Sutharsiny (Balmain, AU), Gonzaga; Graciel (Balmain, AU), Vonwiller; Simone Charlotte (Balmain, AU), Starling; Scott Matthew (Balmain, AU), Hall; Lachlan Everett (Balmain, AU), Ridley; Damon Donald (Balmain, AU), Silverbrook; Kia (Balmain, AU)

Assignee: Silverbrook Research Pty Ltd.

International Classification: C09D 11/02 (20060101); B32B 3/10 (20060101)

Expiration Date: 2019-11-02 0:00:00