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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): ...
7381760 Pigment dispersion and use thereof  
The invention relates to a pigment dispersion comprising: a condensate of or a salt between a polyallylamine and a polyester having a free carboxylic acid or the salt; a pigment derivative...
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...
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,...
7341626 Pigment compositions consisting of organic and inorganic pigments  
A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I) and...
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...
7311769 Pigment compositions consisting of a yellow disazo pigment and an organic pigment  
A pigment composition containing a disazo pigment of formula (I) and at least one pigment from the group of organic orange, red and violet pigments
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...
7309388 Jet ink composition for low surface energy substrates  
Disclosed are jet ink compositions suitable for printing on substrates such as plastics and oil contaminated metals messages having excellent adhesion, for example, scratch resistance. The jet ink...
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...
7300511 Low viscosity, highly pigmented oil based dispersions exhibiting a low relative interfacial tension drop  
Pigment dispersions that when used in printing ink having a relative interfacial tension drop of less than 1.5, and offering an ink viscosity of less than 150 Pa.s, and containing at least 45 wt. %...
7300506 Ink formulations, print systems, and methods thereof  
Ink formulations, ink jet sets, methods of stabilizing an ink formulation, printer systems, and methods thereof, are disclosed. One exemplary ink formulation, among others, includes a pigment and a...
7294185 Reaction of carbon black with diazonium salts, resultant carbon black products and their uses  
Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an...
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...
7288144 Non-aqueous ink-jet ink composition  
A non-aqueous ink-jet ink composition contains at least a pigment, a solvent, and a dispersing agent. The non-aqueous ink-jet ink composition further contains a chelating agent, which is soluble in...
7268203 Polymer dispersant having hyperbranched structures  
Polyurethanes having hyperbranched structures, selected from hyperbranched polyurethanes containing at least one pigment affinity group and modified hyperbranched polyurethanes, are used as...
7267716 Aqueous ink, image recorded using said aqueous ink and method for forming said image  
An aqueous ink containing at least a water-dispersible coloring material and a water-soluble crystalline component, characterized in that the water-dispersible coloring material forms an aggregate...
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...
7235126 Ink jet recording ink, ink jet recording ink set, and ink jet recording method and apparatus using the ink and the ink set  
An ink jet recording ink is provided containing water, a pigment that is self-dispersible in water, a water-soluble organic solvent, and a nonionic polymer of which the amount is preferably in a...
7232851 Lithographic energy curable inks  
An energy curable lithographic ink composition having an asymptotic relative viscosity of about 0.4 to about 1.5 and a water up-take number of at least about 30%. Also disclosed is a method of...
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...
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...
7211135 Writable and printable colloidal gold solution  
The present invention relates to an aqueous colloidal gold solution, comprising (a) nano-particular gold particles, (b) a compound having a polar tertiary amino group conjugated via a...
7208036 Water-based pigment-containing ink composition for central core type marking pen  
A central core type marking pen which has an ink storage portion of a central core and a pen tip connected thereto, wherein the central core contains a water-based pigment-containing ink...
7201794 Ink composition  
An object of the present invention is to provide an ink compositions which, when used with an ink jet recording apparatus, can realize excellent ink ejection stability while maintaining safety and...
7198667 Solid pigment preparations containing pigment derivatives and surface-active additives  
Solid pigment preparations containing the following ingredients as substantial components: (A) 60–85 wt. % of at least one organic pigment, (B) 0.1–15 wt. % of at least one pigment derivative...
7195666 Polyuronic acid derivative and aqueous ink composition polyuronic acid derivative  
A self-dispersed pigment ink composition is provided which gives reliable printing performance and yields printed images that have excellent print quality and a dispersant which can realize the ink...
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....
7173114 Lightfast colorant and lightfast ink composition including the same  
A lightfast colorant and a lightfast ink composition including the lightfast colorant utilize a lightfast colorant that is derived by covalently binding a cinnamate derivative and a conventional...
7166153 Printing process with edible inks  
An edible ink with a viscosity of about 2000 to 16000 cp at 25° C. Certain embodiments relate to applying the edible ink to a substrate using a lithographic printing process.
7163577 Black pigmented ink-jet inks with improved frequency response  
Compositions, systems, and methods method of rapidly printing a black ink-jet image are provided. The composition can include a liquid vehicle including water, and from 15 wt % to 30 wt % organic...
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...
7135062 Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording image  
Image-recording, hydrophilic colorants having an organic pigment linked to a hydrophilic compound through a linking group and which are capable of forming images excellent in print quality such as...
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...
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...
7083674 Pigment dispersant, and pigment composition, pigment dispersion and printing ink using the same  
A pigment dispersant represented by the following general formula (1) is provided: wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 each independently is —H, —Cl,...
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...
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...
7052535 Additives to eliminate bronzing of inkjet ink formulations on specialty quick-dry inkjet photographic media  
Anti-bronzing compounds are added to inkjet inks to prevent bronzing of the inks when printed on specialty quick-dry inkjet photographic media. These compounds inhibit bronzing by the proper...
7025814 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 containing at least one water-soluble hindered amine compounds of the general formula (I) or...