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5213938 |
Oxidation of toner compositions
A process for the preparation of toner compositions which comprises the oxidation and metal chelation of the surface thereof; and a process for the preparation of toners which comprises the...
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5212040 |
Carbonless paper for electrostatic imaging processes
Disclosed is a process which comprises incorporating into an electrostatic imaging apparatus a recording sheet comprising a support on one surface of which are situated microcapsules which comprise...
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5212044 |
Photoresist composition including polyphenol and sensitizer
A photoresist composition, and a process for using the same are; the composition comprises a polyphenolic resin and a sensitizer effective, when exposed to actinic radiation, to provide alkali...
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5210581 |
Image recording apparatus having image surface laminating capability
An image recording apparatus for recording an image on an image receiving member in cooperation with a photosensitive pressure-sensitive member. The apparatus includes an exposure unit for exposing...
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5208132 |
Photochromic materials
The photochromic material of the invention is such that a composition having an organic photochromic compound dissolved or dispersed in a hindered amine-type compound is microencapsulated. The...
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5204208 |
Processes for custom color encapsulated toner compositions
A process for obtaining custom color toner compositions which comprises admixing at least two encapsulated toners wherein each toner is comprised of a core comprised of a polymer binder, pigment,...
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5204205 |
Three layered toner for electrophotography
This invention relates to toner for the development of electrostatic latent images comprising a core particle comprising at least styrene-acrylic copolymers or polyester resins, an...
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5202722 |
Image-forming system
An image forming apparatus makes use of a color developing principle in which there is an absorption or reaction between a color developer and a dye, pigment or dye precursor. A photosensitive...
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5196288 |
Image forming method of exposing and heating light-sensitive material comprising light-sensitive layer provided on support
An image forming method of imagewise exposing and heating a light-sensitive material is disclosed. The light-sensitive material comprises a support and a light-sensitive layer provided thereon. The...
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5196287 |
Process for producing encapsulated photosensitive composition by altering the concentration of the internal phase during encapsulation
A process for producing photosensitive microcapsules having an extended dynamic range and the microcapsules produced thereby are disclosed; the process includes: (a) providing an emulsion of a...
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5192639 |
Light-sensitive material containing silver halide, reducing agent, polymerizable compound and chromium molybdenum or tungsten compound
A light-sensitive material comprises a support and a light-sensitive layer provided thereon. The light-sensitive layer contains silver halide, a reducing agent and an ethylenically unsaturated...
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5185226 |
Electrostatic method for multicolor imaging from a single toner bath comprising double-encapsulated toner particles
An electrostatic method is disclosed for providing multicolor imaging from a single toner bath. The toner bath is a blend of individual toners, each of which contains a color precursor different...
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5185229 |
Dry toner for high speed electrophotography
Dry toner for electrophotography in the form of colored particles, each particle being composed of a colored core portion having an average diameter of 5 to 20μ and comprising as main ingredients,...
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5180652 |
Light- and heat-sensitive composition, and recording material
A light- and heat-sensitive composition which contains a photo-hardenable composition and at least one dye, a light- and heat-sensitive recording material which contains a support having the...
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5180637 |
Double-walled microcapsules and a process for preparation of same
The invention relates to double-walled microcapsules each having a core of a hydrophobic substance, and a primary wall and a secondary wall formed therearound, the microcapsules being characterized...
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5180651 |
Method for the addition of powders to photographic systems
A process for improving the method by which a powder such as a dye is added to a gelatino silver halide element is described. This process involves encapsulating the powder within a gelatin...
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5178985 |
Image forming method combining heat and pressure to produce a color image
A method for image formation comprising the steps of exposing a light-receiving sheet coated with a layer of microcapsules containing photopolymerization agent and colorless dye selectively to...
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5179408 |
Microencapsulated media supply and utilization apparatus and method
Apparatus for utilizing microencapsulated media material includes a cartridge which contains a supply of the material, including a supply spool. The supply spool is wound as a two-layer sandwich...
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5178979 |
Image transferring medium
An image transfer type recording method for forming a visible image on a developer medium comprising a base sheet, a thermoplastic resin layer, and a developer material layer which is...
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5175071 |
Encapsulated toner composition
A toner composition comprised of a core comprised of a polymer resin or resins, color pigment, dye, or mixtures thereof, and thereover a coating comprised of an alkyl cellulose.
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5171655 |
Photohardenable light-sensitive composition
A photohardenable composition comprises a microgel carrying a group of the formula (I) or (II); or a microgel carrying a group of the formula (III) and at least one acidic group, such as --SO 3 H,...
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5168029 |
Multicolor recording material
A multicolor recording material is disclosed, which comprises a support having provided thereon at least two layers each containing a leuco dye which is capable of forming a color by oxidation and...
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5153091 |
Magnetic image character recognition toner and processes thereof
An ionographic process which comprises the generation of an image comprised of characters, and developing the image with a toner mixture comprised of an encapsulated toner and a toner free of...
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5153092 |
Processes for encapsulated toners
A process for the preparation of encapsulated toners which comprises blending core momomer or monomers, free radical initiator, pigment, and an oil soluble shell monomer; dispersing the resulting...
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5153093 |
Overcoated encapsulated toner compositions and processes thereof
An encapsulated toner composition comprised of a core comprised of polymer resins, color pigments, dyes, or mixtures thereof, encapsulated within an optional condensation polymer shell, and a...
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5147744 |
MICR processes with colored encapsulated compositions
A colored magnetic encapsulated toner composition comprised of a core comprised of a polymer binder, magnetic metal particles, whitener, color pigment, dye or mixtures thereof, and which core is...
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5141679 |
Oily droplet of hydrophobic material, microcapsule, and processes for preparing the same
Disclosed are oily droplets comprising an oily core containing a compound having an ethylenically unsaturated group and a film formed around the oily core which is composed of a reaction product of...
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5137797 |
Image recording material containing salicylic acid developer and image recording process employing the same
An image recording material comprises a support and an image recording layer provided thereon which contains a salicyclic acid derivative or its metal salt, which functions as a developer of a...
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5135832 |
Colored toner compositions
A colored magnetic encapsulated toner composition comprised of a core comprised of a polymer binder, a colorless or light colored magnetic material, a color pigment, dye or mixture thereof...
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5134052 |
Process for forming images using a low temperature exposure step
The present invention relates to a method for exposing a photosensitive imaging sheet using a low temperature exposure step. The method includes the steps of: providing an imaging sheet...
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5122432 |
Photosensitive microcapsule imaging system having improved gray scale
A photosensitive material includes a support having microcapsules and a color correction dye on its surface. The microcapsules include first, second and third sets of microcapsules, each set...
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5120475 |
Method for preparing microcapsules having improved pre-walls, and microcapsules and photosensitive materials produced thereby
A method for preparing microcapsules which comprises: dispersing a hydrophobic oily liquid containing a pre-wall former in a continuous aqueous phase, the aqueous phase containing a chain...
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5120632 |
Pigment passivation via polymer encapsulation
The range of differences in the triboelectric characteristics of various colored electrophotographic toners comprising pigments of different colors and having different triboelectric...
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5118590 |
Light-sensitive microcapsule containing polymerizable compound and pigment particles
A light-sensitive microcapsule contains silver halide, an ethylenically unsaturated polymerizable compound and pigment particles. Another light-sensitive microcapsule contains a photopolymerization...
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5114819 |
Magnetic encapsulated toner compositions
An encapsulated toner composition comprised of a core comprised of a polymer binder, a nonvolatile organic liquid, and magnetite; and wherein the core is encapsulated in a polyether-urea polymer...
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5114824 |
Processes for encapsulated toners
A process for the preparation of encapsulated toner which comprises (1) mixing a blend of a core monomer or monomers, free radical chemical initiator, pigment, and an oil soluble shell monomer to...
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5113212 |
Method for the formation of images and an apparatus for performing the same
A method and an apparatus for the formation of images are disclosed. The method utilizes a photosensitive sheet on which image-forming areas are successively allocated. The image-forming areas are...
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5112540 |
Method of making microcapsules having an improved pre-wall
A process for preparing microcapsules which comprises dispersing a hydrophobic oily liquid in a continuous aqueous phase, the hydrophobic oily liquid containing a pre-wall former and at least one...
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5108863 |
Processes for the preparation of encapsulated toner compositions
A process for the preparation of encapsulated toner compositions which comprises a core dispersion obtained by adding pigment to a monomer, and wherein the pigment is sterically stabilized with a...
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5104763 |
Encapsulated toner compositions
An encapsulated toner composition comprised of a core comprised of a polymer, pigment, dye or mixtures thereof, which core is encapsulated in a polymeric shell having incorporeated therein an...
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5100928 |
Compositions containing organic-soluble xanthene dye photoinitiators
Described herein are photopolymerizable compositions comprising at least one polymerizable ethylenically unsaturated compound, and an initiating combination of an organic soluble xanthene dye...
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5100755 |
Dye-benzyltriaryl borate photoinitiators and photohardenable composition containing these photoinitiators
The present invention is directed to a photoinitiator complex having the formula (I): ##STR1## wherein D+ is a cationic dye moiety; R 1 is a benzyl or substituted benzyl group; and R 2 , R 3 and...
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5100760 |
Light-sensitive material containing silver halide, reducing agent and polymerizable compound
A light-sensitive material comprising a support and a light-sensitive layer which contains silver halide, a reducing agent, a polymerizable compound and an azo-compound having the following...
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5100756 |
Image forming medium coated with microcapsules having photocurable composition
An image forming medium includes a base coated with a layer of at least three kinds of microcapsules encapsulating photocurable compositions for forming a color image thereon. The photocurable...
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5097286 |
Image recording method using photosensitive sheet having microcapsules thereon
In an image recording method of the present invention, a photosensitive sheet having a transparent substrate coated on one surface with microcapsules encapsulating a photosensitive material, that...
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5091280 |
Light- and heat-sensitive recording material
A light- and heat-sensitive recording material comprising a support having thereon at least one light- and heat-sensitive layer comprising, (1) microcapsules containing an electron donative...
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5089371 |
Heat development type diazo copying material containing a light insensitive intermediate layer provided between the support and the photosensitive layer
The present invention is directed toward a heat development copying material, comprising a support having provided thereon a photosensitive layer containing a diazo compound, a coupling component,...
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5089380 |
Methods of preparation of precipitated coupler dispersions with increased photographic activity
Base and auxiliary solvent solubilized precipitated dispersions of couplers and other photographic materials usually produce very small particle dispersions, and usually such dispersions are...
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5089370 |
Light-sensitive material comprising light-sensitive layer provided on support
A light-sensitive material comprises a light-sensitive layer containing silver halide, a reducing agent and an ethylenic unsaturated polymerizable compound provided on a paper support (the silver...
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H001019 |
Method for forming images on plain paper
A method for forming images on a non-reactive substrate such as plain paper is disclosed, comprising the steps of: image-wise exposing an imaging sheet, said imaging sheet comprising a support...
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