Sign up


Match Document Document Title
5852074 Aqueous ink for inkjet printing  
An aqueous inkjet printing ink with excellent water resistance, wherein scorching onto a printer head scarcely occurs, the amount of a hydrophobic dye contained in an aqueous dispersion of a vinyl...
5849815 Ink, ink jet recording method using the same and recording equipment containing the ink  
An ink including a dye; a liquid medium for dissolving the dye; and a polymer, wherein the surface tension and the viscosity of the ink respectively are 26×10-5 N/cm to 40×10-5 N/cm and 0.7×10-3 Pa...
5849814 Ink composition  
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...
5847024 Anti-counterfeiting non-yellowing watermark ink  
A stable, pigmentless, simulated watermark ink is composed of a drying oil modified polyester, an aluminum alkoxide gelling agent and an ultraviolet light absorber.
5847026 Recording ink containing pigment particles and polyvinyl pyrrolidone  
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...
5837753 Stable oil-in-water ink emulsions based upon water-reducible solvent dyes for ink-jet printers and felt-tip and roller-ball pens  
A highly fluid water-based ink composition that comprises a stable oil-in-water emulsion of a water-reducible solvent dye and solvent, preferably citrus solvent, solution homogeneously dispersed as...
5837754 Ink for ink jet printer  
Ink for an ink-jet printer of the present invention includes polyester particles colored with a colorant which are dispersed in an aqueous medium.
5830942 Phase change ink formulation using a urethane and urethane/urea isocyanate-derived resins  
Resins and waxes made by reacting selected nucleophiles, including alcohols and/or amines, with an isocyanate are disclosed. The order of addition of the isocyanate and the different nucleophiles...
5827918 Phase change ink formulation using urea and urethane isocyanate-derived resins  
Resins and waxes made by reacting selected nucleophiles, including alcohols and/or amines, with an isocyanate are disclosed. The order of addition of the isocyanate and the different nucleophiles...
5824721 Water soluble triazole derivative embossing inhibitor and the use thereof  
This invention provides an aromatic or cycloaliphatic triazole-based chemical embossing inhibitor which is completely soluble in water and compatible with water-based printing inks for use in...
5821283 Ink composition and method for preparing  
An ink composition and a method for preparing the ink composition are disclosed. The ink composition provides stability, bleed resistance and lightfastness without requiring the use of a cosolvent....
5814683 Polymeric additives for the elimination of ink jet aerosol generation  
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...
5786410 Polyurethane dye based inks  
An ink composition comprised of (a) water, and a dye containing sulfonated component of the following formula ##STR1## wherein R is m(H) and O(SO3 --Y+), wherein H is hydrogen, Y is an alkali...
5780528 Isocyanate-derived colored resins for use in phase change ink jet inks  
Isocyanate-derived colored resins made by reacting an alcohol and/or amine, an isocyanate and a nucleophilic molecule containing a chromogen are disclosed. The isocyanate-derived colored resins are...
5767172 Water base ink composition directly fed to a pen body of a ball-point pen  
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...
5763525 Erasable marking composition  
A marking composition erasable from both porous and non-porous marking substrates using substantially non-abrasive mechanical erasers. The marking composition preferably has a viscosity of less...
5760124 Ink compositions  
An aqueous ink jet ink composition comprising pigment, water, and an (An -Bm) block copolymer wherein n represents the degree of polymerization of A and m represents the degree of polymerization of...
5756561 Erasable ink composition containing a graft-polymerized dye  
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...
5750592 Ink composition for ink jet recording  
An ink composition for intermediate transfer ink jet recording, comprising water, a pigment, a colloidal dispersion resin, a volatile alkali component and a water-soluble organic solvent. The ink...
5750594 Ink set and process for alleviating bleed in printed elements  
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...
5749949 Anti-abrasion ink additives and printing inks containing such additives  
An improved anti-abrasion/slip ink additive is disclosed comprising a mixture of sintered polytetrafluoroethylene and pharmaceutical grade petrolatum. As an alternative, additional material, such...
5750593 Stabilized electrocoagulation printing ink  
A stabilized electrocoagulation printing ink comprises a liquid colloidal dispersion containing an electrolytically coagulable colloid, a dispersing medium, a soluble electrolyte, a coloring agent...
5747555 Water-based publication gravure ink  
A method of making a water-based publication gravure ink is provided wherein a polyamide resin or a mixture of the polyamide resin and a second resin is ground to produced a ground resin, and then...
5744519 Ink composition for marking nonpourous supports  
The invention relates to an ink composition for the marking of objects, specifically nonporous in particular glass bottles having to pass into a bottling chain or line. This ink comprises at least...
5726221 Correction fluids  
Water-based correction fluids for covering typing, writing or drawing errors contain a particulate opacifier, a water-soluble or water-dispersible binder, water and a di- or tri-quaternary ammonium...
5723514 Heatset intaglio printing ink  
The invention relates to a heatset intaglio printing ink especially suited for the intaglio printing of security documents such as currency, postage stamps, stock certificates, bank notes and the...
5719204 Pigmented inks with polymeric dispersants  
The invention relates to polymeric dispersants used in formulating aqueous ink compositions, as well as inks containing those dispersants. The dispersants are graft copolymers comprising a...
5716217 Water base ink compositions for neon boards  
A water base ink composition for writing on neon boards which comprises: (a) water in amounts of not less than 30% by weight; (b) hollow resin particles dispersed in the water, in amounts of...
5716436 Ink jet inks containing polyester ionomers  
An ink jet ink comprising a carrier, a pigment and a water dispersible polyester ionomer having an absolute molecular weight from 750 to 8000 and a glass transition temperature from 10° to 80° C.
5714526 Method of preparing resin/pigment compositions for printing inks  
A method of preparing a pigment dispersion useful in the preparation of printing inks is provided. Said method comprises dispersing a pigment in an aqueous medium further comprised of a dispersing...
5712328 Aqueous ball point ink composition  
An aqueous ball point ink composition comprising a key aqueous ball point ink composition comprising coloring materials consisting of (pigment and pigment dispersant) and/or precolored emulsion...
5703145 Hot melt type ink composition for ink jet  
There is disclosed a hot melt type ink for an ink jet which has a small rate of a volume change accompanied with a phase change from a melt status to a solid matter and does not cause an offset and...
5700851 Ink-jet ink composition containing a colored polyurethane dispersion  
A non-erasable ink-jet composition that is the admixture of (1) an aqueous colored polyurethane dispersion that is the reaction product of (a) a colored urethane prepolymer that is the catalyzed...
5700313 Ink for ink jet printing  
A printing process includes printing a liquid ink onto a substrate surface. The ink includes a vehicle and a colorant dissolved in the ink. When the ink solidifies on the substrate the colorant,...
5698614 Fluorescent ink composition for use in marking pens  
A fluorescent ink composition which comprises:(a) an organic solvent which comprises propylene glycol monomethyl ether as a solvent: (b) a solution type fluorescent pigment dissolved in the organic...
5696182 Ink, ink-jet recording process making use of the ink, and apparatus using the ink  
An ink comprising water, a water-soluble organic solvent, a coloring material and a water-soluble oligomer, wherein said water-soluble oligomer is a polymer comprising at least one of monomers...
5693693 Bar code printing and scanning using wax based invisible fluorescent inks  
Wax based invisible inks have been discovered that emit light at various wavelengths in the visible region when they are excited by UV light. This allows lower layer clear text information to be...
5686508 Ink and ink jet recording method and apparatus using the same  
An object of the present invention is to provide an ink, and ink jet recording method and apparatus using the ink which has excellent dispersion stability, discharge stability and recovery...
5684063 Ink process  
A process for the preparation of inks comprised of i) flushing pigment into a sulfonated polyester resin, and which resin possesses a degree of sulfonation of from between about 2.5 and about 20...
5684069 Composition for invisible ink responsive to infrared light  
An invisible ink has been discovered that utilizes a substituted phthalocyanine dye in combination with selected waxes and resins. The resulting ink is one that has use in thermal printing and is...
5681381 Fluorescent red and magenta waterfast ink jet inks  
Aqueous fluorescent inks are disclosed that fulfill United Sites Postal Service requirements for franking and/or automation compatibility, while being able to be used in an ink jet printer. The...
5679724 Submicron particles for ink jet inks  
An ink for ink jet printing includes an emulsifiable polymer resin and a pigment, and may be made by: (a) combining (1) an emulsion of an emulsifiable polymer resin in an anionic medium with (2) a...
5677363 Water based erasable ink compositions  
A water base erasable ink composition which comprises: (a) water as a solvent in amounts of 50-90% by weight; (b) a coloring agent dispersed or dissolved in water in amounts of 1-30% by weight; (c)...
5663217 Ink composition  
An ink jet ink especially for printing on to plain paper comprises a suspension in (a) non aqueous solvent of (b) a disperse phase comprising: (i)) a water-insoluble dyestuff which is insoluble in...
5658968 Flexible packaging printing ink  
An improved flexible packaging ink comprising a polyamide resin prepared by condensing a dibasic acid mixture with a diamine mixture, a pigment, nitrocellulose and a solvent, wherein the...
5656679 Rosin ester-amide support resins for acrylic latexes  
This invention relates to improved water-soluble acrylic latex compositions. In particular, this invention relates to acrylic latex compositions produced by reacting monomers with water-soluble...
5652286 Wet surface marking jet ink  
Disclosed are a jet ink composition and a method for printing on wet glass, PET, and aluminum surfaces under humid conditions messages having good penetration, adhesion and abrasion resistance,...
5648414 Screen printing ink containing polycarbonate binder  
High-temperature-resistant, flexible screen printing inks containing as binder a thermoplastic aromatic polycarbonate with a molecular weight Mw (weight average) of at least 10,000 which contains...
5647896 Color-developing agents and color-developing sheets  
Provided are a color-developing agent comprising a multivalent metal salt of a salicylic acid derivative and a sulfonated phenol and/or a metal salt thereof and having excellent initial and...
5648405 Aqueous ink jet inks  
Aqueous ink jet ink compositions comprising an aqueous carrier medium, a colorant, such as a dye or a pigment, and a polyampholyte containing at least one carboxylic acid group and at least one...