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6794427 |
Disclosed herein is a colorless or pale-colored liquid composition comprising a cationic substance, wherein the liquid composition contains in combination a cationic substance and a nonionic polymeric substance.
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6770687 |
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 is provided as a second security. Visibl...
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6518329 |
A non-erasable liquid ink for a marking instrument including a colorant and a solvent and having a water content of about 0-15% by weight and a viscosity of about 15 to 4,500 cps. Also disclosed is a marking instrument filled with an ink...
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6399674 |
Disclosed herein is a set of water-based pigment inks for ink-jet, comprising a black pigment ink and other pigment inks different in hue from the black pigment ink, which the pigment inks each comprise water, a water-soluble organic sol...
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6372818 |
Disclosed herein is a water-based ink for ink-jet, comprising a liquid composition containing a coloring material and a liquid medium, wherein the ink comprises a polymer exhibiting a heat-reversible type thickening property and a compou...
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6369128 |
An aqueous ink composition is provided having an aqueous solvent, a poly(oxyalkylene) substituted organic colorant dissolved in the solvent and a film forming, acrylic polymer or copolymer binder.
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6329446 |
An ink comprised of a vehicle, colorant, and resin emulsion, and wherein the resin emulsion contains water, surfactant, resin particles and solubilized resin obtained from the polymerization of a mixture of olefinic monomers, and wherein...
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6323258 |
An aqueous ink composition having insoluble dye dispersed uniformly throughout by means of a coupling/dispersive (dual function) agent. The coupling/dispersive agent is characterized by association with insoluble dye molecules as well as...
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6274646 |
An ink composition is provided which can realize printing with excellent fixation even on a coated paper having a smooth surface. Further, an ink composition is also provided which, when used in ink jet printing, causes neither clogging ...
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6267807 |
A method for grinding colorant agglomerates with a grinding medium comprising a Group IIIB and/or a lanthanide element and a Group IVB oxide. The grinding medium has a grain size of less than about 1.35 microns, and results in the produc...
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6160034 |
The present invention provides a low-bleed coloring composition incorporating a film-forming agent, an alkali-soluble resin, an aqueous carrier, and a colorant. The coloring composition can optionally include one or more of a humectant, ...
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6121365 |
Polymer fine particles are obtained by emulsion-polymerizing one or more monomers having a carboxylate group represented by the following formula and an unsaturated group that is radical polymerizable: --COO - X + ...
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6075070 |
A marking instrument includes a non-erasable ink including a colorant and a solvent having a water content of about 0-15% by weight and a viscosity of about 15 to 4,500 cps.
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6063836 |
Color images with high fixation comparable to that of silver salt photographic images are formed on printing papers, using aqueous ink compositions by ink jet recording. Color images thus formed have high saturation and high resolution. ...
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6060537 |
A water based ink composition which can be used effectively in various ink jet type printing arrangements and on a variety of predetermined substrate surfaces. Such ink composition being resistant to smearing and running when contacted b...
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6040358 |
Inks for ink jet printers contain an aqueous carrier medium; a colorant that is insoluble in the aqueous carrier, a polymer dispersant; and a linear polymer additive selected from the group consisting of an water soluble, elastomeric ABA...
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6034154 |
The present invention provides polymer fine particles for a jet ink, each polymer fine particle containing a colorant, wherein the polymer fine particles have an average particle diameter in the range of 5 to 700 nm, a maximum particle d...
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6025412 |
An ink for ink jet printing includes particles of an emulsifiable dye-polymer resin dispersed in a liquid vehicle, wherein the emulsifiable dye-polymer resin includes a dye chemically attached to the polymer resin. The polymer resin cont...
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6020400 |
Inks for ink jet printers containing an aqueous carrier medium; a pigment; a polymeric dispersant; and an emulsion polymer additive stabilized with a structured polymer are stable, have low viscosity, exhibit excellent print quality, pro...
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6008270 |
A liquid ink jet ink wherein said ink is non-gelling and comprises a carrier, a pigment and a solid block copolymer of ethylene oxide and propylene oxide having a structure (A) and (B) defined herein.
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6005023 |
An ink for ink jet printers contains an aqueous carrier medium; a colorant that is insoluble in the aqueous carrier; a branched polymer dispersant; and an emulsion polymer additive and is stable, has low viscosity, exhibits excellent pri...
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5990199 |
The invention relates to indicator ink compositions that contain a water-based dispersion of a phenol-formaldehyde resin, at least one colorant and an amine-terminated catalyst. These indicator ink compositions are fixed to a surface, su...
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5981625 |
The present invention provides a newspaper printing ink that has rub off resistance; is fast drying on the paper; does not mist or dry on the press; offers excellent printability, high color strength, good water balance, and sharp half t...
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5969005 |
The present invention provides an ink which provides an image with a sufficient image density free from bleeding and unevenness, dries rapidly on paper and can be jetted at a high reliability and a recording method using said ink. A nove...
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5969004 |
A method of making an emulsion ink is provided. The method includes mixing an ink precursor and processing the ink precursor in a homogenizer to form an emulsion ink. The ink precursor includes a pigment, water, a film forming polymer, a...
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5962552 |
Described are an ink composition comprising water, a colorant and acrylic silicone resin particles having alkoxysilyl groups; and an image recording method comprising discharging the droplet of an ink composition from a recording head to...
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5955515 |
Disclosed herein is a water-based ink for ink-jet, comprising a liquid composition containing a coloring material and a liquid medium, wherein the ink comprises a heat-reversible type thickening polymer.
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5939475 |
A novel pourable organophilic clay polyamide composition useful as a rheological additive for organic fluid system comprising a) from about 5 to 15 weight percent of an organophilicly modified smectite-type clay, b) from about 25 t...
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5936008 |
An ink for ink jet printing includes a liquid vehicle comprising water and toner particles with a colorant dispersed in or associated with the toner particles. The ink composition combines the print quality advantages of xerographic prin...
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5929135 |
This invention provides a ball-point pen suited to low-viscosity aqueous ink. This ball-point pen includes a ball-point pen refill in which an ink reservoir communicates with a tip for holding a tip ball via a joint, wherein the ink rese...
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5925693 |
Correction fluids are provided which include a cationic stain blocking agent, an opacifying pigment and water. Preferred opacifying pigments include an alumina treated titanium dioxide and a clay. The new correction fluids have improved ...
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5919838 |
Methods for preparing an ink concentrate are disclosed. To prepare the ink concentrate, a varnish that includes at least one dispersing polymer is added to the pigment particles, such as an aqueous slurry or an organic-solvent-treated aq...
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5912280 |
Water-fastness of inks containing pigment and a polymeric dispersant is improved by the addition of core-shell or tetrafluoroethylene emulsion polymers. The printed ink images exhibit improved resistance to smudge or smear when handled o...
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5900445 |
An erasable ink composition contains a water-insoluble polymeric dye obtained by copolymerizing ethylenically unsaturated monomers at least one of which possesses a dye moiety covalently bonded thereto. The ink is intended for use in any...
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5880214 |
An emulsion ink for stencil printing is disclosed which enlarges the selection region of a body to be printed on, improves the handling property and adds a building-up feeling and a brilliance to the printed letters and others by develop...
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5880176 |
A fluorescent marking composition containing particles of an organic material which has a glass transition temperature of at least 30° C. and an average particle size of at least 30 nm, and emitting fluorescence in a visible light range...
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5863966 |
Radiation-curing printing inks which comprise organopolysiloxanes of the general formula ##STR1## in which R 1 =an alkyl radical having 1 to 8 carbon atoms, R 2 =a group of the formula --CH 2 --CH 2 --C(O)O--R--(OC(O)--CHCH 2...
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5859092 |
A recording liquid containing an aqueous medium, a pigment and a polymer, wherein the polymer comprises at least one polymer containing a repeating unit A having at least one of a carboxyl group and an acid anhydride group and an allylet...
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5858595 |
Low optical density magnetic fluid which is a stable dispersion of fine magnetic particles. A method of forming the stable dispersion which includes providing an ion exchange resin, loading the ion exchange resin with an ion capable of f...
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5854308 |
Water-based pigmented ink formulations are disclosed including a water soluble or water dispersible silicone-containing polymer additive comprising a vinyl silicone polymer. The additive significantly reduces kogation, mudcracking, and b...
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5852073 |
An erasable ink composition contains a dispersion of solid particles of water-insoluble polymer-encapsulated colorant obtained from the emulsion polymerization of at least one emulsion-polymerizable monomer in the presence of solid color...
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5849814 |
An ink composition according to the present invention comprises a pigment, a pigment dispersion resin, an non-aqueous ambient temperature non-volatile liquid removal agent and an non-aqueous ambient temperature volatile organic solvent, ...
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5847026 |
A recording ink which includes at least water, a pigment as a colorant, polyvinyl pyrrolidone as a water-soluble polymer, and a compound having a polyoxyethylene chain. The compound having a polyoxyethylene chain may be replaced by a com...
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5837754 |
Ink for an ink-jet printer of the present invention includes polyester particles colored with a colorant which are dispersed in an aqueous medium.
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5814683 |
The substantial reduction of aerosol generation in ink-jet printing is achieved with the addition of a viscoelastic polymer to ink-jet ink compositions. The viscoelastic polymer component is employed at a concentration within the range o...
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5804633 |
Permanent aqueous marker inks are provided which include surfactant, a pigment, a film-forming polymer, and water. The surfactant may be a combination of a hydrocarbon, preferably an alkylphenol ethyoxylate and a fluorocarbon, or it may ...
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5783710 |
The present invention relates to benzothioxanthene dyes of the formula I, ##STR1## in which R 1 is SO 3 .crclbar . M ♁ or SO 2 NR 4 R 5 , R 2 and R 3 independently of one another are hydrogen, SO 3 .crclbar . M ♁ or SO 2 NR 4...
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5767172 |
Water base ink compositions for directly filling in a ball-point pen comprising a dyestuff in the range of 3% to 10% by weight; a humectant in the range of 10% to 40% by weight; thixotropic agent in the range of 0.6% to 1.0% by weight, b...
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5756561 |
An erasable ink composition contains a water-insoluble polymeric dye obtained by the graft polymerization of a preformed water-insoluble polymer with a dye monomer possessing at least one ethylenically unsaturated site. The ink is intend...
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5750594 |
Bleed between two adjacent inks on a printing medium may be reduced by selecting inks having the same ionic character, at least one ink containing an aqueous carrier medium and a pigment dispersion wherein the dispersant is a quaternized...
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