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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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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.
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...