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6861200 |
Negative working photosensitive lithographic printing plate
A negative working photosensitive lithographic printing plate is disclosed, which comprises a support having thereon at least one photosensitive layer containing a polymeric binder having repeating...
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6844139 |
Method for forming a lithographic printing plate
Methods for forming images are disclosed. The images are formed by imaging and developing an imageable element comprising a layer of an imageable composition over a substrate. The imageable...
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6197472 |
Recording material having a pigment-colored radiation-sensitive layer
The present invention relates to a recording material having a substrate and a negative-working, radiation-sensitive layer which contains a diazonium salt, metal-free colored pigments dispersed in...
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6150067 |
Heat-sensitive recording material
Disclosed is a heat-sensitive recording material comprising a support comprised of a substrate and a thermoplastic resin layer formed thereon, and a heat-sensitive recording layer disposed on the...
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6071674 |
Image forming material and image forming method
Disclosed is an image forming material comprising a metal support having an anodization layer on its surface, and provided on the anodization layer, a light sensitive layer containing a first...
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5900345 |
Surfactant in precoat for lithographic plates
Improved aluminum substrates suitable for use in the production of lithographic printing plates. A surfactant surface treatment for such aluminum substrates improves the quality of radiation...
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5846685 |
Radiation sensitive diazo sulfo-acrylic adducts and method for producing a printing plate
A radiation sensitive composition containing an adduct of a diazonium resin having pendant diazonium groups, with a sulfonated acrylic copolymer having pendant sulfonate groups. The sulfonated...
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5753403 |
Diazo based imaging element containing hydrolysed polyvinyl alcohol and metal-free phthalocyanine
The present invention provides an imaging element comprising on a hydrophilic base a light-sensitive layer containing polyvinyl alcohol hydrolyzed to at least an extent of 95% by weight, a cationic...
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5747217 |
Laser-induced mass transfer imaging materials and methods utilizing colorless sublimable compounds
The invention relates to a method of increasing the sensitivity of laser induced thermal imaging by using certain sublimable compounds. The invention is useful in the field of thermal transfer...
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5728503 |
Lithographic printing plates having specific grained and anodized aluminum substrate
The present invention relates to supports for lithographic printing plates and to a process for producing the same. In particular, the invention relates to aluminum plates having an...
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5691098 |
Laser-Induced mass transfer imaging materials utilizing diazo compounds
The invention relates to a method of increasing the sensitivity of laser induced thermal imaging by using certain diazo compounds. The diazo compounds contain functional groups adjacent the diazo...
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5637435 |
Negative type lithographic printing plate
A negative-type photosensitive lithographic printing plate having a photosensitive layer comprising upper and lower layers, each layer containing a photosensitive diazo resin, on a support having a...
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5486446 |
Multi-color heat-sensitive recording material utilizing multiple diazonium salt layers
A multi-color heat-sensitive recording material is disclosed which comprises a support having laminated thereon in the following order a first heat-sensitive color forming layer comprising mainly...
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5422229 |
Liquid foil employing aluminum platelets
A photosensitive layered sheet for producing transferrable decorative foil designs comprising a solvent resistant, hydrophobic plastic film having superimposed thereon the following sequential...
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5401603 |
Aqueous-processable imaging element tonable at room temperature before and after exposure to actinic radiation
A tonable, aqueous-processable, photosensitive element and process for forming a colored image from said element is described. The element comprises a support and a tonable, aqueous-processable...
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5290666 |
Method of forming a positive photoresist pattern utilizing contrast enhancement overlayer containing trifluoromethanesulfonic, methanesulfonic or trifluoromethaneacetic aromatic diazonium salt
The present invention relates to a method of forming a pattern using a photosensitive film having bleaching properties for use as a contrast enhancing layer. The photosensitive film comprises an...
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5272036 |
Pattern forming contrast enhanced material utilizing water soluble photosensitive diazo compound and pattern forming method
Disclosed is a pattern forming contrast enhanced material comprising (a) a water soluble photosensitive compound selected from the group consisting of a water soluble aliphatic photosensitive...
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5232814 |
Presensitized color-proofing sheet
Metallic appearing images may be produced with a color proofing sheet which comprises a temporary carrier layer, a metallic appearance pigment-filled layer, a color pigment filled layer, a...
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5225309 |
Light-sensitive litho printing plate with cured diazo primer layer, diazo resin/salt light-sensitive layer containing a coupler and silicone rubber overlayer
Disclosed is a light-sensitive litho printing plate comprising: a support, a light-sensitive layer and a silicone rubber layer provided thereon, wherein said light-sensitive layer contains a...
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5188924 |
Pattern forming method utilizing material with photoresist film underlayer and contrast enhancement overlayer containing photosensitive diazonium salt
A pattern forming method, comprising the steps of providing a resist film on a substrate; providing a photosensitive film containing a photosensitive diazonium salt on the resist film; and then...
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5183723 |
Colored image on a degradable sheet material and method of formation
This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of...
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5061591 |
Presensitized aluminum lithographic plate having thereon a positive or negative working light sensitive layer
The present invention relates to an aluminum support for a lithographic plate, whose surface is electrochemically roughened and has the following conditions: a) an arithmetic mean of the pit...
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4983491 |
Photosensitive diazo resin composition with polyurethane resin having carboxyl group in its main chain
A photosensitive composition is described, comprising a diazonium compound and a polyurethane resin having a carboxyl group in its main chain. The composition can be developed with an aqueous...
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4980273 |
Matted photographic imaging materials
The matting agent particles of matted photographic imaging materials contain a finely divided solid as well as a dye that is only present at the image-forming points after exposure and development...
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4980263 |
Light-sensitive diazo resin composition with polyurethane and compound having ureido, thioureido, urethane, or thiourethane unit
A light-sensitive composition comprises a diazo resin, a polymeric binder, and at least one compound having at least one structural unit selected from the group consisting of ureido bond,...
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4950577 |
Pre-press light-sensitive color proofing article incorporating antihalation layer
Presensitized sheets for color proofing comprising a removable carrier sheet bearing a photosensitive medium sensitive to radiation within the wavelength band 325 to 700 nm and comprising...
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4902602 |
Light-sensitive composition and presensitized plate with light-sensitive diazo resin, acidic binder and compound with pivaloyl group
Light-sensitive compositions comprise a light-sensitive diazo resin, a binder and a compound having a pivaloyl group. Lithographic printing plates prepared by using the light-sensitive compositions...
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4886731 |
Multilayer photopolymeric printing plates with photoreactive diazo compounds and photopolymerizable compositions
Photopolymeric printing plates wherein an electrochemically etched, anodized and silicated aluminum plate has a plurality of coatings applied thereon and wherein at least one of the coatings...
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4885225 |
Color proof with non-blocking thermal adhesive layer with particulate polymer beads
Particulate organic polymeric beads in the thermal adhesive layer of prepress color proofing elements prevents adhesive blocking without optical interference or reduction in adhesive performance.
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4833065 |
Process for producing support for presensitized lithographic printing plate using alkaline electrolyte
In a process for producing a support for a lithographic printing plate, at least one surface of an aluminum sheet is subjected to roughening treatment and subsequently to anodic oxidation treatment...
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4828957 |
Two-color heat-sensitive recording material with 2-hydroxy-3-naphthoanilide as both coupler and color developing agent
Disclosed is a two-color heat-sensitive recording material which comprises a base sheet and a recording layer of single-layer or multi-layer structure formed on the base sheet, the recording layer...
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4824725 |
Drafting material
Disclosed is a drafting material comprising a transparent base material with a hydrophilic coating which readily accepts ink, ensures rapid drying of the ink and can be marked in a wipe-resistant...
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4777109 |
RF plasma treated photosensitive lithographic printing plates
A metal base lithographic printing plate cleaned and treated by RF plasma to render the non-exposed area hydrophilic, then coated with either a negative working or positive working photosensitive...
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4746591 |
Process for producing presensitized lithographic printing plate with liquid honed aluminum support surface
A process for preparing a lithographic support, and the printing plate made therefrom, are described, wherein the process comprises the steps of (a) liquid-honing a surface of an aluminum sheet,...
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4737436 |
Water based method for making color proof images on single substrate with blend of pigment for each color in photoresist
A method of forming an image on a substrate is described which comprises blending a desired coloring pigment, adding the coloring pigment to a water soluble photoresist, coating the substrate with...
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4731317 |
Laser imagable lithographic printing plate with diazo resin
A coated lithographic printing plate comprises a grained, anodized aluminum substrate and coating thereon comprising a diazo resin in admixture with particulate energy absorbing material that will...
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4705739 |
Graphic arts imaging constructions using vapor-deposited colorant and metalloid layers with overlying photosensitive resist layer
A radiation-sensitive, imageable article comprises in sequence a substrate, a vapor-deposited colorant layer capable of providing a reflection optical density of at least 0.6 to a 10 nm band of the...
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4666817 |
Presensitized diazo color-proofing sheet with particular sized pigments
A light-sensitive color-proofing sheet is described for producing an image on various substrates. A light-sensitive continuous color layer is releasably attached to a carrier. Overlaying the color...
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4659643 |
Heat-sensitive recording diazo material with recording sensitizer
A heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer thereon, the heat-sensitive recording layer containing a diazonium salt, coupler compound,...
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4656114 |
Presensitized color-proofing diazo resin sheet with acrylic thermal adhesive layer
A light-sensitive color proofing sheet is described for producing an image on various substrates. A light-sensitive continuous color layer is releasably attached to a carrier. Overlying the color...
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4647475 |
Method for making multilayer light sensitive electron radiation cured coating
A method for making multilayer coating on a support, which comprises simultaneously applying multiple layers of at least two nonaqueous coating liquids on the support, at least one of the liquids...
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4634652 |
Overlay light-sensitive proofing film with transparent aluminum oxide and transparent magnesium fluoride layers therein
This invention relates to an improved overlay proofing film. More, particularly, the invention relates to an improved overlay proofing film comprising a substantially transparent polyester base...
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4618562 |
Aqueous developable lithographic printing plates containing an admixture of diazonium salts and polymers and composition therefor
An improved negative working photographic element is prepared by coating a suitable substrate with a photosensitive composition comprising an admixture of two light sensitive diazonium salts and a...
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4584256 |
Diazotype materials which can be developed by heat and contain an activator precursor having 2-carboxy carboxamide group releasing a strong base during heating
The invention relates to new diazotype materials of which the sensitive layer contains, as a base generator, a compound comprising a basic part and an acid part, the acid part being a...
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4581308 |
Process for preparation of a masking element for forming a multicolor printing plate
The present invention relates to a photosensitive masking element for plate making including a support made of a transparent film; a metal thin film layer formed on the support; and a...
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4579811 |
Process for developing exposed diazo negative-working reproduction layers using aqueous developer having salt of aromatic carboxylic acid with adjacent group substituent
Disclosed is a developer composition for exposed, light-sensitive, negative-working reproduction layers, which may contain an organic binder, comprising water and a salt of a substituted aromatic...
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4554236 |
Amino acid stabilizers for water soluble diazonium compound condensation products
This invention relates to light sensitive water soluble diazonium compound condensation products stabilized against degradation caused by heat and/or prolonged storage employing selected amino...
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4543315 |
Storage-stable photosensitive composition and article with adduct of diazo resin and amorphous sulfopolyester
A presensitized article having a radiation-sensitive layer comprising an adduct of an amorphous sulfopolyester and a diazonium resin is described which does not exhibit blocking on being stored in...
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4542085 |
Negative working diazo light-sensitive composition with oxonol dye and lithographic printing plate using the same
A negative working light-sensitive composition and a lithographic printing plate using the composition are described. The printing plate is comprised of a hydrophilic support and a thin layer of a...
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4511641 |
Metal film imaging structure
An image-forming laminate is formed by the combination of a thin, frangible light opaque material on top of a photosensitive layer which changes its surfactant properties when irradiated. The...
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