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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kazmaier; Peter M.
Address:
Mississauga, CA
No. of patents:
160
Patents:


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Patent Number Title Of Patent Date Issued
8293438 Erasable media with binder October 23, 2012
Exemplary embodiments provide compositions and methods for an erasable medium that can include a photochromic composite containing a photochromic polymer dispersed in a polymer binder, a similar type polymer of a backbone portion of the photochromic polymer.
8287963 Erasable medium with uncoated substrate October 16, 2012
Provided are compositions and methods for making an erasable medium that can include an aqueous photochromic emulsion including a photochromic polymer, a polymer binder, and water.
8257897 Toners with fluorescence agent and toner sets including the toners September 4, 2012
A toner set includes a plurality of toners, at least one toner but less than all toners of the toner set including binder, colorant and fluorescence agent and remaining additional toners including binder, colorant and free of fluorescence agent. At least a first toner grouping and a
8236466 Photochromic materials incorporated in polymer backbone August 7, 2012
Exemplary embodiments provide compositions and methods for making and using an erasable medium that can include a photochromic layer disposed over a substrate. The photochromic layer can include one or more photochromic molecule-polymer systems, wherein each of the one or more photoc
8236198 Fluorescent nanoscale particles August 7, 2012
A nanoscale pigment particle composition includes a fluorescent compound, such as a benzothioxanthene pigment, including at least one functional moiety, and a stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the
8236192 Ferromagnetic nanoparticles with high magnetocrystalline anisotropy for MICR ink applications August 7, 2012
An ink including stabilized magnetic single-crystal nanoparticles, wherein the value of the magnetic anisotropy of the magnetic nanoparticles is greater than or equal to 2.times.10.sup.4 J/m.sup.3. The magnetic nanoparticle may be a ferromagnetic nanoparticle, such as FePt. The ink i
8216765 Reimageable and reusable medium and method of producing and using the reimageable and reusable m July 10, 2012
The present disclosure provides a reusable and reimageable medium including a substrate coated with a photochromic polymer. The photochromic polymer has a glass transition temperature ranging from 30.degree. C. to 150.degree. C., such as from about 30.degree. C. to about 100.degree.
8137900 Electrophoretic display device March 20, 2012
An electrophoretic display device includes a multiplicity of individual reservoirs containing a display medium between conductive substrates, at least one of which is transparent, wherein the display medium includes one or more set of colored particles in a dielectric fluid, and wherein
8137879 Ferromagnetic nanoparticles with high magnetocrystalline anisotropy for MICR toner applications March 20, 2012
A toner including stabilized magnetic single-crystal nanoparticles, wherein the value of the magnetic anisotropy of the magnetic nanoparticles is greater than or equal to 2.times.10.sup.4 J/m.sup.3. The magnetic nanoparticle may be a ferromagnetic nanoparticle, such as FePt. The tone
8083264 Document with invisible encoded information and method of making the same December 27, 2011
A document includes a paper substrate having an average surface roughness of at least about 0.5 microns, wherein the paper substrate includes encoded information printed thereon, and wherein the encoded information is printed with an ink comprised of light absorbing material that absorbs
8062698 Synthesis of conductive metal markings for chipless RFID applications November 22, 2011
A process for printing conductive metal markings directly on a substrate under an ambient condition, including the steps of synthesizing or providing conductive the ink on a substrate to form conductive metallic nanoparticles into an ink; and printing the ink on a substrate to form c
8061791 Dual printer for regular and raised print November 22, 2011
Disclosed is an ink jet printing device including an ink jet print head and a print region surface toward which ink is jetted from the ink jet print head, wherein a height distance between the ink jet print head and the print region surface is adjustable. The ink jet printing device is
8017044 Bimodal metal nanoparticle ink and applications therefor September 13, 2011
A bimodal metal nanoparticle composition includes first metal nanoparticles having an average diameter of from about 50 nm to about 1000 nm, and second stabilized metal nanoparticles having an average diameter of from about 0.5 nm to about 20 nm, the second stabilized metal nanoparti
7976733 Air stable copper nanoparticle ink and applications therefor July 12, 2011
Low-cost copper nanoparticle inks that can be annealed onto paper substrate for RFID antenna applications, using substituted dithiocarbonates as stabilizers during copper nanoparticle ink production.
7935463 Reusable paper media with compatibility markings and printer with incompatible media sensor May 3, 2011
A reusable image forming medium, including a substrate; an imaging layer coated on or impregnated into the substrate, wherein an irradiation of the imaging layer produces an image; and a signature material coated on or impregnated into the substrate or the imaging layer, the signature
7925043 Tactile security feature for document and signature authentication April 12, 2011
A system and method create an authentication mark on a recording medium by depositing marking material on a medium in an image area to create a marking material image and to create a marking material authentication image. A predetermined amount of additional marking material is further
7924412 Apparatus and method for characterizing electrophoretic display mediums April 12, 2011
A method and an apparatus for measuring reflectivity, charge and/or particle mobility of electrophoretic display mediums and particles are described. The apparatus for evaluating characteristics of an electrophoretic display medium, comprising a cell for containing the electrophoreti
7919155 Document and method of making document including invisible information for security applications April 5, 2011
A document includes paper having an average surface roughness of at least about 0.5 microns and including one or more optical brighteners, and includes at least one image thereon wherein the at least one image includes clear binder and light absorbing material that absorbs light only
7918485 Security system using conductive and non-conductive regions April 5, 2011
Disclosed is an item, for example a document, including a substrate having thereon a multiplicity of separate printed markings, wherein the printed markings include both conductive printed markings and substantially non-conductive printed markings. The different conductive and substa
7897653 Fluorescent radiation curable inks March 1, 2011
Disclosed is a radiation curable ink containing a fluorescent material that upon exposure to activating energy fluoresces such that an image that was not visible prior to exposure to the activating energy becomes visible. Also disclosed are an ink jet system and a process printing the
7897307 Marking material with birefringent nanoparticles March 1, 2011
Disclosed is a birefringent marking material comprising a vehicle for the marking material and birefringent nanoparticles having an average particle size of less than about 700 nm. The birefringent marking material, such as an ink or a toner, can be used to provide a security marking
7875307 Method for forming an electronic paper display January 25, 2011
Methods form a multi-color electrophoretic display. The methods include providing microcapsules, wherein the microcapsules have an electrostatic charge, and wherein the microcapsules comprise, a shell that is transparent and a display medium within the shell, wherein the display medi
7867672 Reimageable paper protected against UV light January 11, 2011
An image forming medium includes a substrate; an imaging layer including an imaging material coated on said substrate, wherein the imaging material exhibits a reversible transition between a colorless state and a colored state; and a protective layer over the imaging layer, the prote
7862866 Method for forming an electronic paper display January 4, 2011
Methods form multi-color electrophoretic displays. The method includes providing a solution containing microcapsules, wherein the microcapsules comprise a shell that is transparent and a display medium within the shell, wherein the display medium comprised of either (a) at least two
7857900 Solid phase change fluorescent ink and ink sets December 28, 2010
An ink set includes a plurality of inks, at least one ink but less than all inks of the ink set including an ink vehicle, colorant and fluorescence agent and remaining additional inks including an ink vehicle, colorant and free of fluorescence agent. At least a first ink grouping and
7852366 System and method for printing reimageable transient documents December 14, 2010
A system and a method print one or more images to one or more reimageable documents, wherein the one or more representative of at least a portion of a digital file. The method includes a connecting a portable printer to a computing device. Moreover, the method includes emitting ultraviol
7811741 Reverse write erasable paper October 12, 2010
An image-forming medium and methods for forming and imaging the medium are provided. The disclosed medium can be strongly colored under room illumination (or deliberate UV) and can be selectively discolored at an appropriate light wavelength to form an image. In one embodiment, the i
7789935 Photochemical synthesis of metallic nanoparticles for ink applications September 7, 2010
A method of forming an ink, including photochemically producing stabilized metallic nanoparticles and formulating the nanoparticles into an ink.
7762473 Machine-readable code format July 27, 2010
Disclosed is a machine readable cord of a set of printed markings, wherein each printed marking of the set has a predetermined height on a substrate and represents a predetermined date value, wherein printed markings having a same predetermined height represent a same data value, and
7762188 Reimageable printing member July 27, 2010
A reimageable printing member such as for use in flexography, includes a layer having a multiplicity of holes, wherein the holes include therein a dimension change material and a printing material upon the dimension change material. Thus, the holes house vertically expandable units, the
7718325 Photochromic material, inkless reimageable printing paper, and methods May 18, 2010
An image forming medium includes a substrate and an imaging layer coated on or impregnated into said substrate, where the imaging layer includes as a photochromic material a spiropyran compound having a conjugated pathway, dispersed in a polymeric binder, wherein the photochromic mat
7710389 Multi-layer display device using dot field applicators May 4, 2010
A display device includes at least one cell containing a fluid having colored particles dispersed in the fluid and at least one dot field applicator associated with the cell. The dot field applicator may be a dot electrode.
7709164 Solvent-less process for producing transient documents May 4, 2010
An image forming method including (a) providing a reimageable medium comprised of a substrate and a photochromic material, wherein the medium is capable of exhibiting a color contrast and an absence of the color contrast; (b) exposing the medium to an imaging light corresponding to a
7708396 Photochromic phase change inks May 4, 2010
An ink set is made up of at least three differently colored phase change inks, for example cyan, magenta and yellow, wherein at least one of the colored phase change inks is a photochromic ink that contains a photochromic material. Upon exposure to activating radiation such as ultrav
7695602 Systems and methods for transporting particles April 13, 2010
Various particle transport systems and components for use in such systems are described. The systems utilize one or more traveling wave grids to selectively transport, distribute, separate, or mix different populations of particles. Numerous systems configured for use in two dimensional
7691325 Photonic crystal solvent vapor sensing device April 6, 2010
A method of manufacturing a vapor-sensing device, including placing an aqueous dispersion of colloidal spheres on a substrate, drying the aqueous dispersion of colloidal spheres to obtain a colloidal crystal, filling the voids among the colloidal crystal with a vapor-expandable matri
7675502 Color electrophoretic display device March 9, 2010
Set forth is an electrophoretic display device including a display region between substrates, at least one of which is transparent, the display region including a multiplicity of pixels, wherein one or more of the pixels have three or more subpixels, the three or more subpixels being
7674326 Fluorescent phase change inks March 9, 2010
Disclosed is a phase change ink containing a fluorescent colorant that upon exposure to activating energy fluoresces such that an image that was not visible prior to exposure to the activating energy becomes visible. Also disclosed are an ink jet system and a process for authenticating a
7666558 Inkless reimageable printing paper and method February 23, 2010
An image forming medium includes a substrate, and an imaging layer coated on or impregnated into the substrate, wherein the imaging layer includes a photochromic polymer, optionally dispersed in a polymeric binder or a phase change binder, the photochromic polymer including a polymer hav
7655366 Inkless reimageable printing paper and method February 2, 2010
An image forming medium includes a substrate and an imaging layer coated on or impregnated into a substrate, where the imaging layer is formed of an imaging composition that includes a solvent or a polymeric binder, and a photochromic material selected from substituted fulgides and s
7653982 Individually unique hybrid printed antennae for chipless RFID applications February 2, 2010
A method of printing chipless RFID tags with unique features, includes printing a RFID antenna pattern precursor using a first printing process, wherein the RFID antenna pattern precursor includes a plurality of disconnected wire segments; and printing a conductive ink using a second
7652656 Electrophoretic display and method of displaying images January 26, 2010
A method of displaying an image in an electrophoretic display device having at least one display layer including a multiplicity of individual reservoirs containing a display fluid between conductive substrates, wherein the display fluid comprises at least two sets of particles in a l
7645560 Inkless reimageable printing paper and method January 12, 2010
An image forming medium includes a substrate, and an imaging layer coated on or impregnated into the substrate, wherein the imaging layer includes an imaging composition including a photochromic or photochromic-thermochromic material and an infrared absorbent dissolved or dispersed i
7645558 Inkless reimageable printing paper and method January 12, 2010
An image forming medium includes a paper substrate and an imaging layer coated on or impregnated into a paper substrate, where the imaging layer is formed of an imaging composition that includes an alkoxy substituted diarylethene photochromic material dissolved or dispersed in a solvent
7641120 System for embedding machine-readable information with fluorescent materials January 5, 2010
Disclosed is a system for embedding and recovering machine readable information on a substrate, including an image forming device containing at least two fluorescent marking materials, wherein the image forming device receives data representative of the machine readable information,
7588878 Inkless printing paper and method September 15, 2009
An image forming medium includes a substrate and an imaging layer coated on or impregnated into the substrate, where the imaging layer includes a photoacid generator and an acid-base indicator. In the image forming medium, irradiation of the imaging layer causes the photoacid generator
7582398 Inkless reimageable printing paper and method September 1, 2009
An image forming medium includes a substrate and an imaging layer coated on or impregnated into the substrate, where the imaging layer includes a photobase generator and a coupling agent. In the image forming medium, irradiation of the imaging layer cause the photobase generator to g
7572569 Inkless printing paper and method August 11, 2009
An image forming medium includes a substrate and an imaging layer coated on or impregnated into the substrate, where the imaging layer includes a photobase generator and coupling agent. In the image forming medium, irradiation of the imaging layer causes the photobase generator to ge
7572560 Inkless reimageable printing paper and method August 11, 2009
An image forming medium includes a substrate, and an imaging layer coated on or impregnated into said substrate, wherein the imaging layer includes an imaging composition including a photochromic or photochromic-thermochromic material dissolved or dispersed in a solvent or polymeric
7569316 Inkless reimageable printing paper and method August 4, 2009
An image forming medium includes a substrate, and an imaging layer coated on or impregnated into said substrate, wherein the imaging layer includes an imaging composition including a photochromic or photochromic-thermochromic material dissolved or dispersed in a solvent or polymeric
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