Patent application number | Description | Published |
20090036670 | METHOD OF PREPARING NAPHTHALOCYANINES - A method of preparing a naphthalocyanine is provided. The method comprises the steps of: (i) providing a tetrahydronaphthalic anhydride; (ii) converting said tetrahydronaphthalic anhydride to a benzisoindolenine; and (iii) macrocyclizing said benzisoindolenine to form a naphthalocyanine. | 02-05-2009 |
20090036671 | ONE-POT PREPARATION OF A BENZOISOINDOLENINE SALT FROM A TETRAHYDRONAPHTHALIC ANHYDRIDE - A method of effecting a one-pot conversion of a tetrahydronaphthalic anhydride to a benzisoindolenine salt is provided. The method comprises heating the tetrahydronaphthalic anhydride with a reagent mixture comprising ammonium nitrate. | 02-05-2009 |
20090043108 | METHOD OF PREPARING SULTINES - A method of preparing a sultine of formula (V) from a dihalogeno compound of formula (IV) is provided. | 02-12-2009 |
20090054664 | INKJET INK COMPRISING METAL-CYANINE DYE WITH IMPROVED WATER-SOLUBILITY - An inkjet ink comprising an IR-absorbing dye. The dye is a metal-cyanine complex of formula (I): | 02-26-2009 |
20090061094 | METHOD OF PRINTING AN IR-ABSORBING DYE ONTO A SUBSTRATE - A method of printing an IR-absorbing dye onto a substrate whilst minimizing visible coloration of the substrate. The method comprises: (i) preselecting the dye from a metal-cyanine of formula (I): | 03-05-2009 |
20090061179 | SUBSTRATE HAVING IR-ABSORBING DYE DISPOSED THEREON - A substrate having an IR-absorbing dye disposed thereon. The dye is a naphthalocyanine dye of formula (I): | 03-05-2009 |
20090199352 | METHOD OF MODULATING STABILITY OF SULFONATED DYE - A method of modulating a stability of a sulfonated dye, particularly its ozonefastness. The method comprises providing a salt of the dye, wherein the salt comprises at least one organic cation selected from the group consisting of:
| 08-13-2009 |
20090202799 | SULFONATED DYE SALTS HAVING IMPROVED STABILITY - A salt of a sulfonated dye modulates a stability of the dye, particularly its ozonefastness. The salt comprises an organic cation selected from the group consisting of:
| 08-13-2009 |
20090266877 | Method Of Enabling Data Entry Using Substrate Comprising IR-Absorbing Dye - A method of enabling entry of data into a computer system via a printed substrate. The substrate has a surface containing human-readable information and machine-readable coded data. The coded data is indicative of an identity of the substrate and of a plurality of reference points on the surface. The method includes the steps of: operatively positioning a sensing device relative to the surface and sensing the coded data; generating indicating data using the sensed coded data; and sending the indicating data to a computer system. The coded data comprises an IR-absorbing dye having a nitrogen-substituted phthalocyanine. | 10-29-2009 |
20090284809 | Method Of Initiating Requested Action Via Substrate Printed With Naphthalocyanine Dye - A method of initiating a requested action in a computer system via a printed substrate. The substrate has human-readable information and machine-readable coded data printed thereon. The coded data is indicative of a substrate identity and of a plurality of locations on the substrate. The method comprises the steps of: (a) interacting with the substrate using an optically imaging sensing device; (b) imaging the coded data; (c) generating indicating data in the sensing device using the imaged coded data, the indicating data identifying the substrate identity and a position of the sensing device relative to the substrate; and communicating the indicating data to the computer system so that the computer system can initiate the requested action. The coded data is printed with an ink comprising an IR-absorbing naphthalocyanine dye. | 11-19-2009 |
20100003470 | INKJET DYES EXHIBITING REDUCED KOGATION - A salt of a sulfonated dye comprising an ammonium cation as a counterion. The ammonium cation comprises at least 3 hydroxyl groups. The salt is useful in reducing kogation in thermal inkjet printheads. One example of these salts is the compound of formula (II): | 01-07-2010 |
20100159163 | SUBSTRATE HAVING GALLIUM NAPHTHALOCYANINE SALT DISPOSED THEREON - A substrate having an IR-absorbing dye disposed thereon. The dye is a naphthalocyanine dye of formula (I): | 06-24-2010 |
20100168413 | ONE-POT SYNTHESIS OF BENZISOINDOLENINES USED IN THE PREPARATION OF NAPHTHALOCYANINES - A method of effecting a one-pot conversion of a tetrahydronaphthalic anhydride of formula (I): | 07-01-2010 |
20100194797 | METHOD OF INTERACTING WITH SUBSTRATE COMPRISING IR-ABSORBING CODING PATTERN - A method of interacting with a printed substrate comprising a coding pattern printed with an IR-absorbing ink. The method comprises the steps of: operatively positioning an optically-imaging sensing device relative to the substrate and sensing part of the coding pattern; and generating interaction data using the sensed coding pattern. The IR-absorbing ink comprises a dye of formula (I): | 08-05-2010 |
20100208014 | INK CARTRIDGE COMPRISING WEAKLY ACIDIC NAPHTHALOCYANINE INK FORMULATION - An ink cartridge for an inkjet printer contains an aqueous ink formulation. The ink formulation comprising an IR-absorbing naphthalocyanine dye of formula (II): | 08-19-2010 |
20100233499 | SUBSTRATE HAVING IR-ABSORBING DYE WITH BRANCHED AXIAL LIGANDS - A substrate having an IR-absorbing dye disposed thereon. The IR-absorbing dye is a metal phthalocyanine dye having branched axial ligands. The branched axial ligands minimize interaction between π systems of adjacent dye molecules, and assist in reducing absorption of visible wavelengths. | 09-16-2010 |
20100263571 | IR-ABSORBING GALLIUM NAPHTHALOCYANINE DYE - An IR-absorbing naphthalocyanine dye of formula (I): | 10-21-2010 |
20110023751 | AQUEOUS FORMULATION COMPRISING LOW VISIBILITY NAPHTHALOCYANINE DYE - An aqueous formulation comprises a sulfonated water-soluble IR-absorbing naphthalocyanine dye having a central metal atom moiety. A pH of the formulation is in the range of 4 to 6.5, which minimizes visibility of the formulation. | 02-03-2011 |
20110027550 | SUBSTRATE HAVING INKJET INK COMPRISING NAPHTHALOCYANINE DYE DISPOSED THEREON - A substrate having an inkjet ink disposed thereon. The ink comprises an IR-absorbing naphthalocyanine dye of formula (I): | 02-03-2011 |
20110069127 | Phthalocyanine dye formulations - An aqueous formulation containing an IR-absorbing phthalocyanine dye. A pH of the formulation is in the range of 3.5 to 7. The formulation has a red-shifted Q-band whilst maintaining compatibility with CMYK inkjet inks | 03-24-2011 |
20110124883 | METHOD OF PREPARING SULTINES - A method of preparing a sultine from a dihalogeno compound. The method comprises the steps of reacting the dihalogeno compound with a hydroxymethanesulfinate salt in a DMSO solvent so as to prepare the sultine. | 05-26-2011 |
20110226156 | METHOD OF FORMULATING INK HAVING MINIMAL VISIBLE COLORATION - A method of formulating an aqueous ink having minimal visible coloration. The method includes the steps of: providing an aqueous ink formulation containing a sulfonated water-soluble IR-absorbing naphthalocyanine dye having a central metal atom moiety; and adjusting a pH of the formulation to a pH value in the range of 4 to 6.5 so as to minimize visible coloration of the formulation. | 09-22-2011 |
20110316936 | GALLIUM NAPHTHALOCYANINE SALTS EXHIBITING REDUCED KOGATION - A sulfonated dye salt of formula (II): | 12-29-2011 |
20130090481 | Sulfonated dye salts exhibiting reduced kogation - A sulfonated dye salt of formula (II): | 04-11-2013 |
20140094601 | Sulfonated dye salts having improved stability - A sulfonated dye salt is disclosed. The sulfonated dye salt has a phosphazene cation of formula (C): | 04-03-2014 |