The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 2011
Filed:
Feb. 21, 2010
Sutharsiny Indusegaram, Balmain, AU;
Graciel Gonzaga, Balmain, AU;
Simone Charlotte Vonwiller, Balmain, AU;
Scott Matthew Starling, Balmain, AU;
Lachlan Everett Hall, Balmain, AU;
Damon Donald Ridley, Balmain, AU;
Kia Silverbrook, Balmain, AU;
Sutharsiny Indusegaram, Balmain, AU;
Graciel Gonzaga, Balmain, AU;
Simone Charlotte Vonwiller, Balmain, AU;
Scott Matthew Starling, Balmain, AU;
Lachlan Everett Hall, Balmain, AU;
Damon Donald Ridley, Balmain, AU;
Kia Silverbrook, Balmain, AU;
Silverbrook Research Pty Ltd, Balmain, New South Wales, AU;
Abstract
An ink cartridge for an inkjet printer contains an aqueous ink formulation. The ink formulation comprising an IR-absorbing naphthalocyanine dye of formula (II): or a salt form thereof, wherein:M is Ga(A);Ais an axial ligand selected from —OH, halogen, —OR, —OC(O)Ror —O(CHCHO)Rwherein e is an integer from 2 to 10 and Ris H, Calkyl or C(O)Calkyl;Rand Rmay be the same or different and are selected from hydrogen or Calkoxy;Ris selected from Calkyl, Caryl, Carylalkyl or Si(R)(R)(R);Ris selected from Calkyl, Caryl or Carylalkyl; andR, Rand Rmay be the same or different and are selected from Calkyl, Caryl, Carylalkyl, Calkoxy, Caryloxy or Carylalkoxy.The ink formulation has a characteristic pH in the range of 4 to 6.5.