Abstract: An integrated highlighting marker includes a multi-component marker ink comprising a base colorant and a tinting colorant. The marking system also includes a highlighting component configured to transform the base colorant from a first colored state to a second colored state based on the tinting colorant. The highlighting component may be configured to transform the primary base colorant from a colored state to a transparent state to reveal the tinting colorant.

Abstract: A toner cartridge for an image forming device includes a body for holding toner and a flight. The flight contains magnetic particles and is configured to guide movement of a magnetic field sensor. The magnetic particles generate a magnetic field that the sensor reads. Other systems and methods are disclosed.

Abstract: A particle can be discretely ejected from a orifice.

Abstract: Hydrotetrazine compounds having antioxidant properties and uses thereof are described herein. These compounds may be dihydrotetrazines, tetrahydrotetrazines, or hexahydrotetrazines that can be utilized as antioxidants for use in thermoplastics, thermosets and elastomers; free radical inhibitors to stabilize reactive chemicals, such as monomers against free radical polymerizations; and as anticorrosion agents in coatings to protect against metal oxidation. The hydrogenated tetrazines can donate hydrogen atom equivalents to terminate radical chain reactions. These compounds can change colors to signal when oxidation has occurred, and can be further recycled by reduction reactions.

Abstract: Disclosed herein is an ink composition for marking on a release-treated surface, comprising a binder resin based on an acryl or methacryl resin with a glycidyl group introduced as a functional group thereinto, a dye, and an organic solvent, wherein the binder resin has a glass transition temperature of 40° C. or higher.

Abstract: Nanoparticles for use in the treatment of a well have a magnetic core of iron, nickel or cobalt or an alloy thereof; a carbon shell encapsulating the magnetic core; at least one organic functional group on the surface of the carbon shell through covalent bonding; and a coating of amorphous carbon nitride encapsulating the functionalized carbon shell. The nanoparticles may be used to identify fluids produced from the reservoir, identify the zone within the reservoir from which recovered fluid is produced, in water flooding to determine water breakthrough in the production well and to identify those injection wells from which breakthrough water originates.

Abstract: A multi-component synthetic closure and/or a rod-shaped intermediate product which incorporate printed indicia comprising ink that is invisible under normal lighting and/or temperature conditions and a continuous, in-line manufacturing process therefor are described. In the preferred embodiment of the present disclosure, the core member of the synthetic closure and/or the rod-shaped intermediate product can be formed by a continuous extrusion process which enables the core to be manufactured as an elongated, continuous length of material. As the continuous elongated length of extruded material forming the central core is advanced from the extruder towards an outer skin forming station, the central core passes through a printing station for forming any desired indicia among which can be a registration mark that can be invisible under normal lighting and/or temperature conditions on the outer surface of the central core prior to the application of the outer skin layer.

Abstract: An ink jet ink composition includes a disperse dye, and a sodium naphthalene sulfonate formalin condensate, in which a ratio of a concentration of sodium ions with respect to a content of the sodium naphthalene sulfonate formalin condensate (Na(ppm)/NSF (% by mass)) is 75 to 550.

Abstract: To provide an aqueous ink for inkjet which has superior printability to typical printing media, particularly media having high glossiness, such as coated paper, art paper, and vinyl chloride sheets, and which is capable of forming a high quality image by printing. An aqueous ink for inkjet, comprising a pigment, a pigment dispersing resin, an organic solvent, and water, wherein: the organic solvent contains (A) a water-soluble organic solvent having a boiling point of 100° C. or higher and 180° C. or lower, and (B) an organic solvent having a boiling point of 200° C. or higher and 280° C. or lower, and having a surface tension of 20 mN/m or more and 30 mN/m or less.

Abstract: An object of the present invention is to provide: a plasma treatment detection indicator comprising a color-changing layer that exhibits improved heat resistance so that the layer does not change color even when overheated at up to about 170° C. as a result of a plasma-generating gas not being supplied or being insufficient due to a defect in a plasma treatment device; and an ink composition for detecting plasma treatment, the composition being for forming the color-changing layer. The ink composition for detecting plasma treatment includes a colorant and a binder resin containing a phenol resin, and the plasma treatment detection indicator uses the ink composition.

Abstract: Provided herein is the design and synthesis of novel molecular rotor fluorophores useful for detection of amyloid or amyloid like proteins. The fluorophores are designed to exhibit enhanced fluorescence emission upon associating with amyloid or amyloid like proteins as compared to unbound compound. Also disclosed herein are the methods for treating of diseases associated with an amyloid or amyloid like proteins.

Abstract: A sealing liquid for sealing mail pieces contains water and a penetration agent. The sealing liquid is applied by letter-closing devices and franking machines containing such a sealing liquid. Once sealed, the opening of the letter produces a pronounced pattern so that it is clear that the letter has been opened. Therefore any attempts to reseal the once opened enveloped are easily detected.

Abstract: A process for preparing a phase change ink including (a) subjecting a white colorant to acoustic mixing at an acceleration of from about 30 to about 110 g; (b) optionally, adding a dispersant and subjecting the white colorant and dispersant to further acoustic mixing at an acceleration of from about 30 to about 110 g; (c) separately melt mixing an optional antioxidant, an optional synergist, and a phase change ink carrier comprising (i) a branched triamide and (ii) a polyethylene wax, a Fischer Tropsch wax, or a mixture or combination thereof, to form a melt mixture; (d) adding the melt mixture of (c) to the acoustically mixed white colorant of (a) or (b) with stirring; (e) optionally, adding a fluorescent dye with stirring; and (d) optionally, filtering the phase change ink.

Abstract: An indicator for the detection of hydrogen peroxide. It undergoes a color change according to the concentration of hydrogen peroxide and this color change can be visually recognized with higher certainty. An ink composition for hydrogen peroxide detection is provided which comprises 1) at least one of styrene-acrylic resins and styrene-maleic acid resins and 2) a methine dye. A color change layer formed from the ink composition for hydrogen peroxide detection produces an effect that a color change according to, e.g., the concentration of hydrogen peroxide can be visually recognized.

Abstract: A composite color toner image can be enhanced in a printed receiver material by having a separate fluorescing magenta toner image applied over it to provide a “pinkish” fluorescing effect. This separate fluorescing magenta toner image is obtained using visible fluorescing dry magenta toner particles, each of which has a polymeric binder phase and a visible fluorescing colorant that emits at one or more peak wavelengths of from 510 nm and to and including 590 nm. The covering power of the fused visible fluorescing magenta toner particles in the enhanced composite color toner image is at least 350 cm2/g to and including 1100 cm2/g, and the covering power of each of the non-fluorescing cyan, non-fluorescing yellow, non-fluorescing magenta, and non-fluorescing black toner particles in the enhanced composite color toner image is at least 1500 cm2/g to and including 2300 cm2/g.

Abstract: The disclosed invention relates to the use of molybdenum (VI) peroxo complex containing an amino acid, such as MoO(O2)2(GLY)(H2O), in marking applications, as well as to ink formulations comprising such complexes.

Abstract: An erasable inkjet ink composition includes an ink vehicle including a solvent, and a colorant added to the ink vehicle. The colorant is chosen from an iron-based ionic complex, an iron-based ionic complex in combination with a dye, a non-ascorbic acid based complex, and a dye-blend mono-based colorant.

Abstract: Disclosed is a solvent-borne or UV-curable fugitive ink composition for application to a substrate that is to be provided with indicia. The ink composition comprises at least one halochromic compound and at least one filler compound and is capable of preventing indicia formed with a heat sensitive erasable ink on an area of the substrate carrying the fugitive ink composition and thereafter subjected to a thermal treatment from becoming invisible to an unaided eye.

Abstract: A phase change ink composition including an amorphous compound; a crystalline compound; an optional synergist; an optional dispersant; and a white colorant having a volume average particle size of from about 25 nanometers to less than 200 nanometers.

Abstract: The present invention relates to a reversibly thermochromic aqueous ink composition comprising: water; a water-soluble organic solvent; a reversibly thermochromic microcapsule pigment which contains a reversibly thermochromic composition comprising: (A) an electron donating coloring organic compound, (B) an electron accepting compound, and (C) a reaction medium which determines temperature at which color reactions between the components (A) and (B) occur; a comb type polymer dispersant having carboxyl groups on its side chains, an organic nitrogen sulfur compound, and a water-soluble resin, a writing instrument using the ink composition, and a writing instrument set comprising the writing instrument and a frictional body.

Abstract: There is disclosed an indicator composition, the application thereof to substrates, and related products. The indicator composition comprises an organic solvent soluble polymer and a redox sensitive material which displays different visible properties in the oxidized and reduced forms. The organic solvent soluble polymer can be at least partially sulfonated polystyrene. The indicator composition can be dissolved in organic solvents such as acetone, ethanol and ethyl acetate to form inks which can be used in a variety of printing processes. The indicator composition can be used to detect oxidizing agents, oxygen, water, reducing agents, UV light, temperature and the passage of time.

Abstract: An enhanced washability ink composition has enhanced rinsability and/or washability from fabric, walls, or skin. The composition may comprise about 70 wt % to about 95 wt % water; about 5 wt % to about 35 wt % one or more sugars (e.g., dextrins); about 1 wt % to about 40 wt % one or more optional dye blockers; about 0.1 wt % to about 15 wt % one or more dyes; and one or more optional additives. The rinsable ink composition is usable in a variety of instruments, including markers or pens. A method for making the rinsable ink composition comprises dissolving one or more sugars (e.g., dextrins) in water to form a sugar solution; subsequently adding one or more dyes to the sugar solution to form a sugar-dye solution; and subsequently adding one or more optional dye blockers to the sugar-dye solution.

Abstract: There is provided novel curable ink compositions comprising coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least the coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink, a gellant. The inks may also include optional colorants and one or more optional additives. These curable gel UV ink compositions can be used for ink jet printing in a variety of applications.

Abstract: The present disclosure relates to a color-changing composition and to a substrate having the color-changing compositions disposed thereon. The color-changing composition includes a leuco dye, a color-developer and a desensitizer. The color-changing composition changes from a colorless or largely colorless composition to color upon being wetted with an aqueous liquid. The color-changing composition remains colorless or largely colorless prior to exposure to high relative humidity conditions.

Abstract: Ink is manufactured by mixing unoxidized metallic particles to a binder. The ink is printed on an object (502) and hardened for forming a conductor. The process is performed in an inert atmosphere or in vacuum for maintaining the electrical conductivity of the conductor (500).

Abstract: There is provided novel curable ink compositions comprising surfactant-coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least a coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink, and optionally a gellant. The inks may also include optional colorants and one or more optional additives. These curable UV ink compositions can be used for ink jet printing in a variety of applications.

Abstract: The present disclosure relates to a color-changing composition and to a substrate having the color-changing compositions disposed thereon. The color-changing composition includes a leuco dye, a color-developer and a desensitizer. The color-changing composition changes from a colorless or largely colorless composition to color upon being wetted with an aqueous liquid. The color-changing composition remains colorless or largely colorless prior to exposure to high relative humidity conditions.

Abstract: An ink formulation having a marking component and a reduced indium tin oxide (r-ITO) is disclosed. The r-ITO in powder form exhibits a lightness (L*), according to the 1976 CIE (L*, a*, b*) space, of not more than 50.

Abstract: Liquid activated ink formulations comprising a liquid activated dye, a hydrochromic ionic compound, an opacifier, and a solvent.

Abstract: An erasable inkjet ink composition includes an ink vehicle including a solvent, and a colorant added to the ink vehicle. The colorant is chosen from an iron-based ionic complex, an iron-based ionic complex in combination with a dye, a non-ascorbic acid based complex, and a dye-blend mono-based colorant.

Abstract: Organic additives are used to improve the lifetimes of organic electronic devices, such as electroluminescent devices fabricated from polymer luminescent ink. These additives include moisture getters, thermally-activated organic/inorganic hybrids, radical scavengers, antioxidants, UV stabilizers, and photoretarders. For water and oxygen scavengers, activation at elevated temperatures or through another activation method is preferred. This allows for the handling of the device materials containing the scavenger under a lower temperature condition in air where higher levels of ambiently-supplied water or oxygen may also be present. The invention also improves operational lifetimes as getters, scavengers and similar acting additives serve to reduce detrimental reactive species that transport into the device, are generated during operation, or become reactive during operation due to the presence of excited states or external stimulation by electrical, optical or other means.

Abstract: Developing compositions are provided herein for use in producing a visibly detectable image of a latent physiological biometric. The developing compositions include a carrier solvent that includes at least one C3-C4 hydrofluorocarbon olefin or at least one hydrochlorofluorocarbon olefin.

Abstract: According to one embodiment, decolorizable color developing particle includes 41 to 50% by mass of a color material relative to the total amount, while the rest being a binder. The color material contains an amount mL of a color developing compound and an amount mD (mD<mL) of a developer. Island portions rich in the color material are distributed within sea portion rich in the binder.

Abstract: The disclosure is generally related to highlighting ink formulations and writing instruments containing the same. The disclosure provides a highlighting ink formulation that includes a solvent system, a colorant dispersed or dissolved in the solvent system, and an anti-smear agent dispersed or dissolved in the solvent system, wherein the anti-smear agent includes a monovalent cation and/or a divalent cation.

Abstract: A composition of matter includes a cationic dye and a solvent, wherein the composition does not have particles that are greater than 25 microns in diameter. The disclosure also describes a method for producing a composition of matter. An ink jet cartridge includes the composition of matter. A device includes a substrate having an image printed thereon with the composition of matter. A method includes using an inkjet printer to print a graphic on a first major surface of a substrate; moistening a user's skin surface; contacting the first major surface of the substrate to the user's moistened skin surface; and removing the substrate from the user's skin surface, thereby leaving a mirror image of the printed graphic on the user's skin surface. Moreover, an art kit includes a first substrate having a graphic printed thereon and a second substrate having a mirror image of the graphic printed thereon.

Abstract: To provide a reversible thermal discoloration aqueous ink composition which is capable of suppressing the lightening and deepening of handwriting at the time when a writing implement containing the reversible thermal discoloration aqueous ink composition in the barrel, and particularly, which does not lighten the color of handwriting with time in an erecting state or does not lighten the color of handwriting by the application of vibration at transportation or at the time when it is carried on in an erecting state, as well as a writing implement using the same and a writing implement set.

Abstract: A method and composition for transforming a latent physiological biometric into a visible physiological biometric are provided, the method comprising: providing a latent biometric disposed on a surface of an article, wherein said biometric comprises at least one eccrine-derived compound; contacting said latent biometric with a developing solution, wherein said developing solution comprises at least one imaging reagent selected from ninhydrin and 1,8-diazafluoren-9-one and a carrier solvent comprising at least one C3-C4 hydrofluorocarbon; and reacting said imaging reagent with said eccrine-derived compound to produce a visible physiological biometric.

Abstract: A decolorizable inkjet ink includes a first particle that contains a color-forming compound, a color-developing agent, and a polar group-containing crystalline binder; and a second particle that contains a decoloring agent and a polar group-containing crystalline binder.

Abstract: According to one embodiment, a liquid ink includes a leuco dye, a developer, and a solvent. The developer is selected from wherein X1 is selected from H and CH3, X2 is selected from H and OH, X5 is selected from C(CH3)2 and CO, and X4 is selected from phenyl group and alkyl group.

Abstract: Methods are disclosed that include directing electromagnetic radiation and/or heat to a structure, the structure including a substrate, a first layer, and a marking composition between the substrate and the first layer. At least a portion of the electromagnetic radiation and/or heat is transmitted through the first layer and the structure is marked.

Abstract: According to one embodiment, an erasable inkjet ink includes a leuco dye, a non-water-soluble developer, and a solvent containing an alcohol and water. The amount of the water is 7 to 25% by mass of the solvent.

Abstract: A security marker material comprising emissive particles selected from at least two groups with different size distributions and the size distributions satisfy the formula: [(x?z)2/(Sx2+Sz2)]1/2>1 wherein x and z are the volume-weighted mean equivalent-spherical diameters of the two particle distributions and Sx and Sz are the standard deviations of the same two distributions.

Abstract: A composition susceptible to changing color upon the application of energy, wherein the composition comprises a color former and a tinting colorant, wherein the tinting colorant has a complementary color to that of the composition comprising the color former without tinting colorant. Preferably, the composition 5 also comprises an energy absorbing additive. The invention also provides a method of improving contrast when a composition susceptible to changing color is imaged.

Abstract: The present invention is a method which erase information printed on a recording medium if necessary and thus reuse the recording medium, and includes 1) decolorable ink compositions which are not erased during the use but erased by a dye readily decolorable by a decolorant, 2) a decolorant composition including a thermal initiator or photoinitiator, and 3) a method for coating the decolorant and applying heat or irradiating UV to erase the dye. According to the present invention, it is possible to prepare various writing inks, and particularly, when applied to recording medium with a magnetic stripe as well as the general purpose papers, it is possible to reduce the production cost significantly, obtain a large import substitution effect of the magnetic ink all of which are imported, and largely reduce the environmental pollution.

Abstract: The present invention relates to a fluorescent inkjet composition. The inkjet composition includes a fluorescent dispersion including a fluorescent colorant; wherein the inkjet composition emits light at a first intensity I1 in the range of 450 nm to 700 nm upon excitation by incident light having a wavelength in the range of 250 to 400 nm. In addition, the inkjet composition is capable of emitting light at a second intensity I2 upon exposure to a temperature of 60 ° C. for 8 weeks, wherein I2=(0.50 to 1.0)*I1.

Abstract: The present invention relates to a waterproof multiple rare-earth co-activated long-afterglow luminescent material having its general chemical composition depicted by a formula aMO.bAl2O3.cSiO2.dGa2O3:xEu.yB.zN, wherein a, b, c, d, x, y, and z are coefficients with the ranges of 0.5?a?2, 0.5?b?3, 0.001?c?1, 0.0001?d?1, 0.0001?x?1, 0.0001?y?1, 0.0001?z?1, M is Ca or Sr, N is Dy or Nd, wherein Sr (or Ca), Al, Si, Ga are main substrate matrix elements and Eu, B, Dy (or Nd) elements are activators. The waterproof multiple rare-earth co-activated long-afterglow luminescent material according to the present invention not only has advantage of a longer afterglow time, but also has water resistance greatly superior to rare-earth activated aluminate long-afterglow luminescent material in the prior art, and still keeps higher long-afterglow property after dipping into water for 60 hours, especially shows its superiority when working or used under the environment of dipping into water or dampness.

Abstract: A method of printing on a hygienic article includes applying droplets of an ink composition with an ink jet printer to a surface of a hygienic article to form a desired image. The ink composition includes an organic solvent, a water-soluble binder resin including hydroxypropylcellulose, and a water-soluble dye. The image acts as a wetness indicator by dissolving in an aqueous fluid.

Abstract: There is provided novel curable ink compositions comprising polymer-coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least the coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink, a gellant. The inks may also include optional colorants and one or more optional additives. These curable gel UV ink compositions can be used for ink jet printing in a variety of applications.

Abstract: A laser-markable composition comprises a marking component and an organic compound, wherein the organic compound absorbs laser radiation at 780 to 2000 nm and thereby causes the marking component to change color, and wherein the organic compound has an absorptivity ratio, A r, of at least 1.25, wherein the absorptivity ratio is defined as formula (I): wherein: Ap780-2000 nm is an absorbance peak in the wavelength region of 780 to 2000 nm; and Aave600-700 nm is the average absorbance in the wavelength region of 400 to 700 nm.

Abstract: There is provided novel curable ink compositions comprising inorganic oxide-coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least the inorganic oxide-coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink. In particular the ink may include a gellant. The inks may also include optional colorants and one or more optional additives. These curable UV ink compositions can be used for ink jet printing in a variety of applications.