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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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