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7365107 Marking liquid  
The invention relates to a marking liquid which contains a polymer dispersion with particles which are colored with marking agent, optionally further dyes and marking agents, one or more salts of a...
7364613 Fluorescent water base ink for ink-jet recording  
A fluorescent water base ink for ink-jet recording includes water, a first fluorescent dye, and a second fluorescent dye. The first fluorescent dye absorbs light in a first absorption wavelength...
7351277 IR transparent cyan inkjet ink  
The present invention pertains to a cyan dye-based inkjet ink having substantially no absorption in the near-infrared region of the spectrum (near-IR transparent). The invention further pertains to...
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...
7344587 Magnetic ink tissue markings  
The invention provides tissue markings (such as tattoos) comprising magnetic particles, e.g., magnetite, and methods for making and altering, e.g., removing them.
7341334 System and method for preventing security ink tampering  
An ink supply system for a printer including an inner chamber comprising a controlled security ink; an outer chamber comprising a chemical; an ink conduit from the inner chamber through and out of...
7338553 Process, compound, ink and use  
A process for printing an image on a substrate comprising applying to the substrate an ink comprising a compound of Formula (1) or a salt thereof: wherein: R 1 and R 2 are each...
7329314 Ink for ink-jet recording  
An ink for ink-jet recording includes a solvent dye in which a xanthene structure and a phthalide structure are spiro bound to each other. When the ink is stored in an ink cartridge containing a...
7294182 Composition for water-removable ink  
The present invention provides a composition for water-removable ink with an effect of coupling retardation by using an aliphatic alcohol as a solvent, which is selected from a group comprising...
7285158 Recording agent, image forming device, and image forming method  
An image forming method, device and a recording agent for forming an image through subtractive color mixing by using ink of plural color components different in hue. The ink is created by mixing a...
7244300 Inkjet recording ink  
An inkjet recording ink of giving an image having high image quality and excellent weather resistance is provided, which is an inkjet recording ink comprising a specific phthalocyanine dye, wherein...
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...
7214259 Inks containing water-soluble perylene dyes and their use in ink-jet printing  
An ink comprising a liquid medium and a colorant, wherein the liquid medium comprises water and a water-miscible organic solvent and the colorant is of Formula (1), wherein the colorant is...
7192476 Fluorescent water base ink for ink-jet recording  
A fluorescent water base ink for ink-jet recording contains a fluorescent dye having a xanthene skeleton, and a glycol. In the fluorescent dye, the difference in hydrophilic index log P is not less...
7192474 IR absorbing photosensitive optically variable ink compositions and process  
Water-soluble, photosensitive, optically variable (POV) inks exhibit improved OCR readability due to improved infrared absorption properties. The inks can produce images that can be viewed with...
7163575 Water-based, resin-free and solvent-free eradicable ball-pen inks  
Improved combination eradicable ball-pen and re-write inks are disclosed. The combination eradicable and re-write ball-pen inks disclosed include water, glycerol, one or more acids and an...
7153350 Water soluble colorants for ink jet printing  
In accordance with one embodiment of the present invention, a colorant in an ink jet ink formulation is disclosed. The colorant comprises an organic dye chromophore with at least one functional...
7147801 Ink jet ink composition and method for security marking  
Disclosed is an ink composition suitable for ink jet printing comprising a luminescent compound, a solvent, and an energy active compound, and optionally a non-luminescent colorant. The energy...
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...
7144449 Print ink containing a plurality of fluorescent coloring materials and inkjet recording method  
The present invention provides a fluorescence ink having a high fluorescence intensity, and an ink jet recording method using the same. The ink contains a first fluorescent coloring material that...
7144105 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 including (i) first and second organic compounds which are incompatible with each other; (ii) at least one of a compound exhibiting fluorescence properties and a...
7141105 Water-based fluorescent ink, recorded image using the same, and judging method  
The present invention relates to a water-based fluorescent ink for the purpose of measurement or judgment of the fluorescence emission in a visible light region by an excitation wavelength in a...
7141103 Photosensitive optically variable ink compositions useful for ink jet printing  
New photosensitive optically variable inks are capable of printing images having improved resistance to water. The inks produce images which can be viewed with both visible and ultraviolet light to...
7138009 Signature protected photosensitive optically variable ink compositions and process  
Signature protected photosensitive optically variable (POV) inks are provided, which are capable of providing a unique signature in addition to other security features of POV inks. The inks contain...
7118618 Colored liquid composition for editing pen  
The colored liquid composition of the invention for a highlighter comprises a coloring element and water, the water content by weight lies in the range 10% to 30%. In addition, it comprises at...
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.
7083665 Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complex  
A highlightable ink including a colored pigment and an eradicable colorant; a kit including the highlightable ink and an eradicator solution; an ink complex including a colorless or substantially...
7060123 Fluorescent ink, and ink cartridge recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink  
A novel fluorescent ink is provided which contains at least a coloring material and an aqueous liquid medium for dissolving the coloring material, wherein the coloring material comprises C.I. Acid...
6946023 Smear-resistant ink compositions  
In general, a smear-resistant ink composition according to the present invention comprises: (1) water; (2) at least one glycol selected from the group consisting of diethylene glycol, ethylene...
6936096 Holt melt ink comprising a mixture of dyes  
The invention relates to an ink composition which is solid at room temperature and liquid at a higher temperature, comprising a non-aqueous carrier composition and two compatible dyes, one of which...
6913860 Image forming material, method and device for removing images, and image forming process and apparatus  
An image forming material for forming an image on an image recording material with an image binding force being established between the image and the image recording material, the image forming...
6906019 Pre-treatment liquid for use in preparation of an offset printing plate using direct inkjet CTP  
A method of making a printing plate in which the uncoated surface of a substrate is treated with a pre-treatment solution prior to the deposition of ink on the surface. The pre-treatment liquid...
6905539 Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex  
A shear-thinning eradicable ink including water, a dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and a solvent, wherein the ink has...
6905538 Invisible ink jet inks  
Water-based invisible red fluorescent inks provide machine-readable, inverse contrast invisible images and can be printed using conventional ink jet printers. The inks employ rare earth complexed...
6899752 Latent image printing ink composition, prints containing latent images recorded with the ink composition, and latent image data-based deciphering method and latent image data deciphering device  
A latent image ink composition including an organic fluorescent substance which responds to an excitation wavelength range of 600-850 nm and emits fluorescence in a wavelength range of 651-900 nm,...
6896723 Compressed fluid formulation containing hole transporting material  
An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a hole transporting material which is...
6890377 Thermochromic rylene dyes  
Rylene dyes of the general formula I where R is hydrogen; unsubstituted or substituted C 1 -C 30 -alkyl, aryl or hetaryl; R′ is unsubstituted or substituted C 2 -C 30 -alkyl or C 5 -C 8...
6881250 Tailored ink for piston driven electrostatic liquid drop modulator  
The present invention relates to an ink composition including water, a solvent, a solvent-soluble dye, and a surfactant, where the ink exhibits a stable liquid microemulsion phase at a first...
6863720 Thermosensitive color-changing dry offset ink and a printed material using the same  
The problem is to provide a thermosensitive color-changing dry offset ink, having no problem in an ink transferability and an excellent printing characteristics. As a thermosensitive color-changing...
6846350 Red luminous ink composition  
Disclosed is a red luminous ink composition comprising a europium complex represented by the formula: wherein R 1 is a hydrogen atom or a substituent selected from the group consisting of an...
6843937 Composition for an organic EL element and method of manufacturing the organic EL element  
A composition for an organic EL element which can form a high precision pattern in a simple manner and in a short time and a method of manufacturing the organic EL element are disclosed. By using...
6828359 Resin based fluorescent marking stain  
A resin based fluorescent marking stain is formulated from a resin present in a concentration of about 10 percent to about 20 percent of the marking stain, an active solvent for and compatible with...
6827769 Photosensitive optically variable ink heterogeneous compositions for ink jet printing  
Ink compositions described are suitable for ink jet printing (ink jet inks) and are highly effective for simultaneously imparting visible and fluorescent images. In the preferred forms, both a...
6802992 Non-green anti-stokes luminescent substance  
Non-green anti-Stokes luminescent material, comprising the elements Ln, erbium (Er) and ytterbium (Yb), Ln representing at least one element which is selected from the group consisting of yttrium...
6800124 Ethylene oxide sterilization process indicator inks  
Water-based chemical indicator inks for ethylene oxide sterilization processes and methods for its use. The chemical indicator ink contains at least one pH indicator dye selected from the group...
6793723 Homogeneous photosensitive optically variable ink compositions for ink jet printing  
Ink compositions described are suitable for ink jet printing (ink jet inks) and are highly effective for simultaneously imparting visible and fluorescent images. In the preferred forms, both a...
6770687 Water-based dual security ink  
A water-based security printing ink is provided with two means of security. The use of a variable light absorbing and/or transmitting pigment or dye is a first security and a water repelling agent...
6749773 Phosphorescent ink for use in an ink-jet printer  
A phosphorescent ink composition suitable for use with an ink-jet printer and method of producing said composition are provided. The composition includes a mixture of an effective amount of a...
6706782 Erasable ink and water-base ballpoint pen using same  
The invention provides an aqueous ink composition which can be erased relatively easily even after writing with a great tool force. The invention relates to (1) an erasable aqueous ink composition...
6706314 Method of labelling an object  
The present invention in one aspect is directed to a method for labeling the durable surface of an object for its identification, which object has a durable surface or a durable surface tag affixed...
Matches 1 - 50 out of 217 1 2 3 4 5 >