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7387666 Black ink-jet inks  
The present invention is drawn toward a black ink-jet ink, comprising a liquid vehicle and a black colorant solubilized or dispersed in the liquid vehicle. The liquid vehicle can include water, a...
7384464 Ink jet and recording material  
The present invention relates to an ink-jet ink, an ink-jet recording material or an ink-jet system containing at least one water-soluble hindered amine compound of the general formula (I): ...
7381753 Inkjet ink composition  
An inkjet ink composition having a binder including an aqueous dispersion of polymer particles, the polymer including, as polymerized units, (a) from 0 to 1 wt. % monoethylenically unsaturated acid...
7377973 Water-based ink for ink-jet recording  
A water-based ink for ink-jet recording contains water, a water-soluble organic solvent, a coloring agent and a crown ether. Even when the water-based ink is employed in the ink passage of an...
7377972 Cosolvents in printing fluids  
An aqueous printing fluid, comprising a cosolvent, the cosolvent or mixture of compounds comprising at least one inner salt compound having a sp 3 -hybridized nitrogen cation and an associated...
7374608 Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus  
An ink for ink jet recording which is used for an ink jet printer in which at least a portion of a member being in contact with the ink is formed by any one of a borosilicate glass, a soda lime...
7355044 Self-assembling dyes  
A novel dye according to formula (I): capable of self-assembling thus forming supra-molecular structures. These self-assembling dyes may be advantageously used in an ink-jet ink for improving...
7351278 Additive for high optical density inkjet ink  
This invention pertains to an aqueous inkjet ink with a certain chelator additive, inkjet ink sets based on this aqueous inkjet ink, and to a method of printing with these inks and ink sets,...
7347891 Water base ink set for ink-jet recording and method for producing the same  
A water base ink set for ink-jet recording includes a black ink containing water, a black pigment and a water-soluble organic solvent and a color ink containing water, a dye, and a water-soluble...
7335249 Water base ink set for ink-jet recording  
A water base ink set for ink-jet recording includes a black ink containing a negatively charged self-dispersing black pigment and a water-soluble polyvalent alcohol alkyl ether; and a yellow ink...
7314510 Ink jet liquid composition and ink jet recording method  
The present invention provides an ink jet liquid composition including chitosan and a non-volatile organic acid. The non-volatile organic acid preferably has two or more carboxyl groups and a...
7311767 Processes for preparing phase change inks  
Processes for preparing phase change inks comprising admixing (a) a phase change ink carrier; (b) a colorant of the formula or mixtures thereof, wherein M 1 , z, A 1 , R 1 , R 2 , R 3 , R 4 , R...
7306664 Ink-jet recording ink, ink-jet recording method, and ink-jet recording apparatus  
An ink jet recording ink containing water and a coloring material, wherein the ink jet recording ink further contains an ethylenediamine compound represented by Formula (I): wherein R1, R2, R3...
7303615 Colorant material, and water dispersion, ink, ink tank, recording unit, recording apparatus and recording method using the same  
There is provided a colorant material comprising a compound represented by at least one of the following general formulas (1) and (2) as a first colorant compound and at least one of a water...
7294183 Activating agents for use with reactive colorants in inkjet printing of textiles  
An inkjet ink having an increased shelf life. The inkjet ink comprises an ink vehicle and a reactive colorant. The reactive colorant is nonreactive with water,thereby increasing the shelf life of...
7291213 Ink composition and inkjet recording method  
An ink composition comprising: a coloring agent having an oxidation potential of more electropositive than 1.0V (vs SCE); a water; a guanidine compound; and a surfactant, the ink composition to be...
7291212 Ink and ink set for ink jet printing and method of ink jet printing  
An inkjet recording ink composition comprising an aqueous medium having dissolved and/or dispersed therein at least one dye, wherein at least one betaine-type surfactant is contained in the ink...
7285160 Ink jet ink composition for wetness indication  
Disclosed is an ink composition which is suitable for ink jet printing and comprising an organic solvent, for example, methanol, a water-soluble resin, a water-soluble dye, and optionally a...
7270700 Magenta dyes and inks for use in ink-jet printing  
A composition comprising: (a) a compound of Formula (1) wherein: R 1 , R 2 , R 3 and R 4 independently are substituents; m and p independently are 0 to 3; and n and q independently are...
7256222 Radiation-curable ink composition and image recording method  
To provide a radiation-curable ink composition that can form a high-quality image on not only liquid absorbing materials to be recorded but also non-liquid absorbing materials to be recorded, is...
7250077 Ink composition for inkjet recording, ink cartridge and recording apparatus  
An aggregation stabilizer is further added to an ink composition for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that is condensation-polymerized...
7247606 Branched reaction products  
A compound of formula: wherein each R group independently is C 6 -C 10 arylene group, a straight or branched chain C 2 -C ° alkylene group optionally containing an arylene group, or a C 4 -C...
7244299 Ink jet recording ink, ink jet recording method, ink cartridge, and ink jet recording apparatus  
An ink jet recording ink comprising at least a copper phthalocyanine dye represented by the following general formula (1) and a compound represented by the following general formula (2):
7241719 Thermal yellow donor and dyes  
Disclosed is a dye combination and thermal dye transfer imaging element and imaging method comprising a yellow dye donor containing a combination of two or more yellow dyes, the combination of dyes...
RE39700 Ink additives for improved ink-jet performance  
Oxo anions (both singly and multiply charged), such as phosphates, polyphosphates, and phosphate esters, serve as additives, and in the case of cationic dyes, may serve as replacement counter-ions,...
7229489 Water-color ink composition  
A water-color ink with which a high print quality can be obtained on ordinary paper, recycled paper or coated paper, and which has excellent storage stability. The water-color ink includes at least...
7226647 Permanent fixation of dyes to surface-modified inorganic particulate-coated media  
Systems and methods for producing permanent ink-jet images are provided. In one embodiment, a system comprises a media substrate coated with a porous media coating, wherein the porous media coating...
7223805 Light-resistive dispersant and ink composition containing the same  
A 2-methoxyphenol derivative may be used as an ultraviolet (UV) light absorbing dispersant and, an ink composition may include the 2-methoxyphenol derivative as a light-resistant dispersant. The...
7220301 Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus fluorescence enhancing method and method of elongating life time of fluorescence  
Disclosed herein is an ink comprising (i) first and second organic compounds which are incompatible with each other; (ii) at least one of a compound exhibiting fluorescence properties and a...
7220300 Phase change inks containing bis(urea-urethane) compounds  
Disclosed is a phase change ink composition comprising a phase change ink carrier and a bis(urea-urethane) compound of the formula wherein R 1 and R 1 ′ each, independently of the other, is...
7204872 Versatile water-soluble dye-based ink-jet inks  
The present invention is drawn to a pigment-free ink-jet ink and method of producing a printed image. The ink-jet ink can comprise an aqueous liquid vehicle including...
7198665 Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus  
It is an object of the present invention to provide a black ink for an ink jet which possesses preferable color as a black ink for an ink jet, can attain high ozone resistance, high image density...
7192472 Inkjet ink composition  
The instant invention pertains to an inkjet ink composition comprising a soluble colorant and a vehicle, wherein the vehicle comprises an aqueous continuous phase and a microemulsified oil phase....
7164036 Benzophenone compound and ink composition including the same  
A benzophenone compound, and an ink composition that includes the benzophenone compound can absorb UV light, and thus improve lightfastness of images produced with the ink composition containing...
7157601 Alkylated urea and triaminotriazine compounds and phase change inks containing same  
Compounds of the formulae wherein Z is —OR 1 , —SR 1 , —NR 1 R 2 , Y is —OR 3 , —SR 3 , or —NR 3 R 4 , at least one of R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 is hydrogen, at least...
7156907 Multimeric dye structures  
The present invention is drawn to multimeric dyes, ink-jet inks, and systems that can be used to print images having good water fastness and humid fastness, as well as good color characteristics....
7147696 Fluorescent water base ink for ink-jet recording  
A fluorescent water base ink for ink-jet recording to be used for an ink-jet printer contains water, a pigment, a compound having primary or secondary amide group, and a fluorescent dye represented...
7141107 Water color ink for ink jet recording  
The present invention is relative with a water color ink suited for ink jet printing for plain paper. The dry viscosity, the dynamic surface tension at 10 ms and the dynamic surface tension at 1000...
7141106 Ink jet printing composition comprising a dye containing hydrazine or hydrazide  
A composition comprising: (a) a liquid medium; and (b) a compound comprising one or more chromophoric groups and one or more hydrazine or hydrazide groups; wherein the liquid medium...
7125448 Non-aqueous ink jet ink for imaging a lithographic printing plate  
A non-aqueous ink jet ink for printing lithographic printing plates. The formulation provides for ink jet printing using a solvent based ink in a drop on demand printer. The ink exhibits excellent...
7125442 Lightfast additive having UV-absorbing moiety and ink composition including the same  
A lightfast additive and an ink composition including the same include a benzophenone moiety for lightfastness and a moiety for wettability and the ability to stabilize a colorant, wherein the two...
7108742 Ink compositions containing lanthanide complexes  
The invention relates to an ink composition containing (a) a compound of formula (I), L m −Ln 3+ (Ch − ) n (I), wherein Ln represents a lanthanide, CH − is a negatively charged ligand...
7097699 Composition for printing recording materials  
A composition for printing recording materials comprising a) at least one temporarily water-soluble dye with one SO 2 CH 2 COOM group being present in the molecule; b) water or a medium including a...
7094277 Counterion use for reduction of decap and for improvement of durability of inkjet images  
A dye for ink-jet printing on both hydrophilic and hydrophobic papers. The dye includes a chromophore tonically coupled to a counterion. One of the chromophore and the counterion includes a...
7083667 Colorant compound, ink, ink tank, recording unit, recording apparatus and recording process  
Disclosed herein is a colorant compound represented by the following general formula (1): wherein R 1 and R 2 are the same or different from each other and denote a linear alkyl group having...
7083666 Inkjet ink, production method of inkjet ink, inkjet ink set and inkjet recording method  
An inkjet ink comprising a dye, water, a water-soluble organic solvent and a betaine compound, wherein the total weight of inorganic ions in the ink is 2 wt % or less based on the ink.
7077894 Inkjet ink set and inkjet recording method  
An inkjet ink set comprising at least two inks, wherein at least one ink contains a betaine compound and at least one other ink contains a nonionic surfactant.
7066993 Colorant composition  
The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant formula (2) or (3). The magenta colorant mixture is advantageously used in...
7066990 Ink jet ink and recording material  
The present invention relates to an ink jet ink, an ink jet recording material or an ink jet system comprising at least one compound selected from the group consisting of a) the dialkyl...
7052536 Water-based ink  
There is provided a water-based ink that gives good coloration and little blurring on regular paper, gives adequate coloration on specialist paper, and has good fixability, and further gives...