Granted Patent
B2
US 7,892,339 · App. 12/829,285 · Granted Feb 22, 2011
IR-absorbing gallium naphthalocyanine dye
Assignee:
Silverbrook Research Pty Ltd
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Abstract
An IR-absorbing naphthalocyanine dye of formula (I): wherein M is Ga(A 1 ); A 1 is selected from the group consisting of: OH and halogen; and W is a sulfonic acid group or salts thereof.
Claims (9)
1. An IR-absorbing naphthalocyanine dye of formula (I):
wherein
M is Ga(A 1 );
A 1 is selected from the group consisting of: OH and halogen; and
W is a sulfonic acid group or salts thereof.
2. The dye of claim 1 , wherein M is Ga(OH).
3. The dye of claim 1 , which has a maximum absorption in the range of 780 to 850 nm.
4. A printing ink comprising the dye according to claim 1 .
5. The printing ink of claim 1 , which is an aqueous-based inkjet ink.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded May 29, 2014
From: SILVERBROOK RESEARCH PTY LTD
To: BASF SE
Reel/Frame 033062/0063 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jul 1, 2010
From: VONWILLER, SIMONE CHARLOTTE; STARLING, SCOTT MATTHEW; RIDLEY, DAMON DONALD; HALL, LACHLAN EVERETT; FIELDER, SIMON; INDUSEGARAM, SUTHARSINY; SILVERBROOK, KIA; LAPSTUN, PAUL
To: SILVERBROOK RESEARCH PTY LTD
Reel/Frame 024628/0399 →
Continuity (5)