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7374609 |
Optically variable pigments having an asymmetrical layer structure
The present invention relates to pigments whose particles have a length of from 2 μm to 5 mm, a width of from 2 μm to 2 mm and a thickness of from 50 nm to 1.5 μm and a ratio of length to...
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7371456 |
Nanoparticle based inks and methods of making the same
The present invention provides nanoparticle based recording mediums, inks and ink compositions, methods of making nanoparticle based recording mediums and inks, nanoparticles and methods for making...
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7367666 |
Ink jet recording method and ink jet recording apparatus
An inkjet recording method which prints out by ejecting onto a recording medium an ink set for inkjet use, wherein the ink set includes at least: a first liquid containing at least a coloring...
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7364614 |
Capillary-action, glitter markers and ink compositions for same
The disclosure is generally related to writing instruments capable of making markings containing large diameter glitter pigment particles, and glitter ink compositions for the same. In one...
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7344590 |
Silver pigments
The present invention relates to silver pigments based on transparent, low-refractive-index, platelet-shaped substrates which have a high-refractive-index coating consisting of TiO 2 having a...
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7304095 |
Photocurable ink-jet ink, ink-jet image forming method and ink-jet recording apparatus using the same
A photocurable ink for ink-jet printing, including: a photopolymerizable compound; a pigment; and a dispersing agent, wherein the photopolymerizable compound is a radical polymerizable compound; an...
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7303614 |
Ink composition and inkjet recording method
An ink composition comprising a dispersion medium and a charged particle, wherein the charged particle comprises a colorant, a compound having pKb of 16 or less in water and containing a...
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7297202 |
Dispersible colorant, method of producing same, aqueous ink using same, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image
A dispersible colorant is provided which comprises a colorant and a chargeable resin pseudo fine particle of a size smaller than the size of the colorant being fixed or fused to the colorant,...
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7291216 |
Platelet-shaped pigments
The present invention relates to platelet-shaped pigments comprising (a) a layer obtained by calcination of a layer comprising SiO z wherein 0.03≦z≦2.0 and a metal, to a process for the...
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7291209 |
Ink for silk-screen printing and corresponding printing technique
The present invention relates to inks for silk-screen printing technique, as well as the corresponding printing technique, designed to bestow upon the reproduction obtained by means of the use of...
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7276113 |
Self-emulsifying pigments
This invention relates to a surface-modified pigment having at least two surface-active agents chemically immobilized onto the surface of the pigment. The first surface-active agent has an HLB of...
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7273898 |
Ink jet recording ink
It is an object of the present invention to provide an ink jet recording ink with excellent storage stability, with which no mold or other microbes will be generated over an extended period. The...
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7255433 |
Multiple pass aqueous MICR inkjet ink printing
The invention relates to a multiple pass printing process for generating MICR-readable indicia using a MICR ink-jet ink composition with a magnetic pigment loading less than that needed to generate...
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7238424 |
All-dielectric optically variable pigments
The light transmitted and reflected by all-dielectric optically variable pigments varies according to viewing angle. The color travel of an all-dielectric optically variable pigment depends on...
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7220303 |
Pigmented inks having different particle sizes and/or morphologies and distinct chemical dispersions
An inkjet ink that provides improved print quality on diverse types of print media. The inkjet ink includes a first pigment dispersion and a second pigment dispersion in which the pigments are...
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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...
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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...
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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...
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7189284 |
Ink with bragg reflectors
A colored ink composition comprises a carrier and one or more reflectors entrained in the carrier. Each reflector comprises a core and a first dielectric mirror formed over at least a portion of...
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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...
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7132014 |
Oil-based pigmented ink composition
An oil-based pigmented ink composition containing a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by...
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7132013 |
Oil-based pigmented ink composition
An oil-based pigmented ink composition containing a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by...
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7118620 |
Inkjet inks with particulate additive
To reduce show through, particularly for color pigments, a particulate negative metal oxide. Specifically in an anionic ink, tin oxide of primary particle size in the range of about 10 to 30 nm, is...
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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...
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7018711 |
Micro-capsules comprising a capsule core containing water-soluble substances
Microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which is a condensate of formaldehyde resins and/or alkyl ethers thereof, a process for their...
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7008744 |
Oil based ink composition for inkjet printer
An oil based ink composition for inkjet printer comprising colored resin particles obtained by dispersion polymerization of a monofunctional polymerizable monomer (A) and a macromonomer (M)...
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6989054 |
Ink jet white ink and titanium dioxide slurry therefor
A titanium dioxide slurry for ink jet ink, which comprises water and surface-treated titanium dioxide particles dispersed in the water, the surface treatment being a treatment with an inorganic...
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6939400 |
Ink, production method of the same materials for producing the same and printed matter with the same
An ink comprises 100 parts by weight of an aluminum flake containing aluminum flakes of 0.5 μm or less, more preferably 0.3 μm or less, in thickness and 20 μm 2 to 2,000 μm 2 in flake area in...
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6921433 |
Aqueous dispersion of water-insoluble-colorant-containing particle and preparation process thereof, water-insoluble-colorant-containing particle and preparation process thereof, and ink
An embodiment of the invention relates to an aqueous dispersion containing pigment-containing particles. The dispersion is an aqueous dispersion comprising particles containing a water-insoluble...
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6918955 |
Ink-jet recording liquid and process for producing the same
An ink-jet recording liquid using a dye and a pigment, which is excellent in dispersibility and has good printing performance and storage stability, and a process for producing the same are...
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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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6878197 |
Ink jet ink set
A color set for forming an ink jet image comprising:
at least two color inks, each ink comprising a carrier and a pigment; wherein the Relative Gloss Variability (RGV) (Equation A) among...
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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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6855194 |
Ink composition containing micro-encapsulated UV absorber and process for preparing the same
An ink composition containing a micro-encapsulated UV absorber. The ink composition includes a micro-encapsulated UV absorber, a dispersant, an emulsifer, at least one colorant, and a medium. The...
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6852156 |
Self-dispersing pigment and process of making and use of same
A process is provided in which a pigment is oxidated with ozone in an aqueous environment in which the mixture of ozone, water and pigment is subjected to a dispersive mixing operation; and/or the...
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6849111 |
Black ink for ink-jet recording having dispersed particles with specific volume mean diameter, ink set and ink-jet recording method using the same
The present invention provides an ink-jet recording black ink containing at least water, a water-soluble organic solvent and a self-dispersible carbon black, and an ink-jet recording ink set and an...
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6830709 |
Method of measuring liquid composition, liquid composition, ink set, method for forming colored portion on recording medium, and ink-jet recording apparatus
The invention relates to a liquid composition measurement method. One embodiment of the method comprises the steps of: i) subjecting a liquid composition containing fine particles and a solvent to...
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6821334 |
Process for producing sulfonated solid particles
A process produces a sulfonated solid particle by burning sulfur to yield gaseous sulfur dioxide, subjecting the gaseous sulfur dioxide to catalytic oxidation to yield gaseous sulfur trioxide, and...
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6811598 |
Ink composition and process for producing the same
An ink composition having an array of encapsulating particles contained within a liquid medium. The encapsulating particles encapsulate one or more pigment particles. The ink composition is...
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6783581 |
Ink-jet ink comprising a glycol compound with grafts
An ink-jet ink comprising a glycol compound with grafts, an aqueous solution, a pigment as a colorant, a surfactant, and a humectant is disclosed. The ink-jet ink has low surface tension and high...
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6773496 |
Phase change ink composition
An ink suitable for application to a heat resistant substrate and firing to fuse the ink to the substrate, the ink being in a form for ink jet printing and including a carrier material; a pigment;...
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6767396 |
Process for the preparation of aqueous magnetic ink character recognition ink-jet ink compositions
A process for preparing an aqueous ink-jet ink composition for MICR applications is provided comprising preparing a metal oxide pre-dispersion combined with an aqueous ink-jet ink composition,...
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6758888 |
Emulsion ink for stencil printing
A water-in-oil (W/O) emulsion ink for stencil printing is provided which is prevented from pigment aggregation and thus excellent in ink fixability, high in printing density and less declining in...
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6746527 |
Aqueous magnetic ink character recognition ink-jet ink composition containing a combination of special surfactants
An aqueous ink-jet ink composition for MICR applications is provided comprising a metal oxide pre-dispersion combined with an aqueous ink-jet ink composition, wherein the metal oxide pre-dispersion...
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6736887 |
Water-based ink with polyoxyalkylene oxide derivatives
A water-based ink comprising an aqueous dispersion of fine polymer particles containing a colorant, and a polyalkylene oxide derivative. The water-based ink is less likely to cause nozzle clogging,...
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6712891 |
Ink jet composition
An ink jet ink composition including water, humectant and a metallized, phthalocyanine colorant, the metallized, phthalocyanine colorant having the formula: MPc(SO 3 X) a (SO 2 NRR′) b wherein:...
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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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6706099 |
Fragrant ink with microcapsule compounds to provide fragrance
A composition of a fragrant ink, at least comprising a microcapsule compound, a colorant, a media, a dispersing agent, and an emulsifier, and a preparation method thereof are disclosed. The...
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6699313 |
Composite reflective flake based pigments
A flake-based pigment is provided having improved specular reflectance characteristics in the visible wavelength range. The flake-based pigment has a plurality of composite reflective flakes each...
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6673420 |
Inorganic sheet carrying symbols for making pigments
Inorganic sheets ( 10 ) of at least two surperposed layers are provided with one or more symbols ( 20 ) which have a size of between 1 and 10 μm. The inorganic sheet is made up into pigment flakes...
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