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7498123 |
Infrared dye compositions
Disclosed are novel aminium, diimonium, and polymethine borate dyes that have at least one absorption maximum in the infrared spectral region between about 700 and 2000 nm and that are useful as...
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7270932 |
Imaging composition and method
Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the...
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7223519 |
Imaging compositions and methods
Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the...
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7169542 |
Compositions, systems, and methods for imaging
A composition, method, and system for recording an image. The system includes a multiphase imaging material in which energy is absorbed by an antenna material. The absorbed energy causes the...
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7144676 |
Imaging compositions and methods
Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the...
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7141360 |
Compositions, systems, and methods for imaging
Imaging layers, image recording media, and methods of preparation of each, are provided. One exemplary embodiment of the imaging layer, among others, includes a matrix, a radiation absorbing...
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7083904 |
Compositions, systems, and methods for imaging
A composition, method, and system for recording an image. The system includes an imaging material in which radiation energy is absorbed by an antenna material. The antenna material may be chosen...
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7026103 |
Multicolor imaging using multiphoton photochemical processes
A multilayer imageable article with at least two layers including a multiphoton imageable composition. The composition includes a multiphoton-sensitive photoactive system and at least one of a dye...
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6815679 |
Reversible thermal recording material and method of recording image on reversible thermal recording material
A reversible thermal recording material permits recording having a clear contrast at a high sensitivity and erasing such images a number of times, at least 1,000 times, repetitively, and comprises...
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6607871 |
Image recording medium
An image recording medium comprising a light and heat change material capable of recording an image with laser beam is described, characterized in that therein are incorporated a heat generator...
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6398981 |
Photopolymerizable composition sensitive to light in a green to infrared region of the optical spectrum
The present invention is concerned with photopolymer materials sensitive to infrared, near infrared, red and green light radiation for initiating polymerization and to applications of such...
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6342329 |
Image-forming medium
An image-forming medium comprises a substrate and several types of photo-curing compositions with sensitivity peaks in different wavelength regions supported thereon. Each of the several types of...
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6262181 |
Preparation of partially cross-linked polymers and their use in pattern formation
This invention relates to a process for generating a organically soluble partially cross-linked acid labile polymer according to the present invention comprises the steps of providing a polymer...
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6251571 |
Non-photosensitive, thermally imageable element having improved room light stability
Novel thermally imageable monochrome product compositions, elements, and processes are disclosed herein. These compositions and elements characteristically have high contrast and fast imaging...
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6235095 |
Ink for inkjet printers
An improved ink suitable for ink jet printing comprising, a mixture of a colorant, an arylketoalkene stabilizing compound or a photoreactor, and a liquid vehicle, wherein the colorant is...
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6110638 |
Process and composition for generation of acid
A process for generation of acid uses a medium comprising a first acid-generating component capable of generating a first acid, and a secondary acid generator, this secondary acid generator being...
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6063551 |
Mutable dye composition and method of developing a color
One embodiment of the present invention is a method and composition comprising a novel pre-dye molecule that is colorless and stable to ordinary light. The pre-dye molecule is capable of forming a...
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6015621 |
Ultraviolet dosimeter film
An ultraviolet-sensitive dosimeter material comprises at least one diazonium compound featuring absorption in the ultraviolet wavelength range, and a binder. The diazonium compound is preferably...
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6004719 |
Imaging medium and process for producing an image
A process for producing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizing dye and a secondary acid generator,...
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6004486 |
Photochromic spiroxazines with asymmetric monocyclic substituent, compositions and articles containing them
The invention concerns photochromic compounds with the following Formula: ##STR1## in which: R 1 is a asymmetric aliphatic monocyclic group with the Formula, ##STR2## where l=1-12, and R 9 is H...
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5919608 |
Medium and process for generating acid using sensitizing dye and supersensitizer
The sensitivity to radiation of combinations of cationic electron acceptors (such as phosphonium, sulfonium, diazonium and iodonium salts) with sensitizing dyes, which sensitize these cationic...
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5908495 |
Ink for ink jet printers
An improved ink suitable for ink jet printing comprising, a mixture of a colorant, an arylketoalkene stabilizing compound or a photoreactor, and a liquid vehicle, wherein the colorant is...
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5905148 |
Photochromic spirooxazine polysiloxanes
Polysiloxane copolymers containing both photochromic and lightstabilizing groups with enhanced UV-fatigue resistance can be used as coatings for devices with variable optical density, including...
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5883232 |
Hydrophobic cationic dyes and thermal transfer ink ribbons using the same
Disclosed are diazahemicyanine hydrophobic cationic dyes represented by the formula (1): ##STR1## wherein R 1 , R 2 , R 3 and R 4 are lower alkyl groups having not more than 5 carbon atoms, R 5 ...
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5837429 |
Pre-dyes, pre-dye compositions, and methods of developing a color
One embodiment of the present invention is a method and composition comprising a novel pre-dye molecule that is colorless and stable to ordinary light. The pre-dye molecule is capable of forming a...
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5786132 |
Pre-dyes, mutable dye compositions, and methods of developing a color
One embodiment of the present invention is a method and composition comprising a novel pre-dye molecule that is colorless and stable to ordinary light. The pre-dye molecule is capable of forming a...
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5700850 |
Colorant compositions and colorant stabilizers
A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to...
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5667943 |
Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein
Certain squaric acid derivatives are useful for the thermochemical generation of acid. The squaric acid derivatives may be used in imaging media in conjunction with acid-sensitive materials which...
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5631118 |
Imaging medium
A process for producing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizing dye and a secondary acid generator,...
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5614340 |
Migration imaging, optionally with dyes or pigments to effect bleaching
A bleachable composition, including an acid photogenerator and a near-infrared radiation-absorbing dye or pigment, is utilized in a method of migration imaging to prevent unwanted absorptions. This...
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5612279 |
Optical recording sheet
In an optical recording sheet having a thermal recording layer containing a colorless or pale colored dye precursor and a color developer reactable with the dye precursor upon heating to develop a...
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5565306 |
Thermofixable photosensitive recording material and process for preparing thereof
The present invention provides a thermofixable photosensitive recording material comprising a substrate and a recording layer formed thereon in which a pyrazolone derivative represented by the...
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5565287 |
Migration imaging with dyes or pigments to effect bleaching
A bleachable composition, including an acid photogenerator and a near-infrared radiation-absorbing dye or pigment, is utilized in a method of migration imaging to prevent unwanted absorptions. This...
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5534388 |
Process for generation of acid and for imaging, and imaging medium for use therein
Acid can be generated by exposing a superacid precursor to actinic radiation effective to generate superacid from the superacid precursor and heating the superacid in admixture with a secondary...
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5476755 |
Image forming element and image forming method
An image forming element and an image forming method using the same are disclosed. The element comprises a support having thereon a image forming layer comprising a binder, an aromatic aldehyde, a...
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5462823 |
Magnetic recording materials provided with a photosensitive layer
Disclosed is a magnetic recording element comprising a support having coated on at least one major surface thereof a layer of a magnetic recording medium and a photosensitive layer which may be...
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5453345 |
Imaging medium
Acid can be generated by exposing a mixture of a superacid precursor and a dye to actinic radiation of a first wavelength which does not, in the absence of the dye, cause decomposition of the...
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5438192 |
Photodynamic protein-based photodetector and photodetector system for image detection and processing
A photodetection device uses configurations of photodynamic proteins which exhibit a change in electrical conductivity in response to a corresponding change in incident light intensity in the...
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5436115 |
Systems for the visualization of exposure to ultraviolet radiation
Photochemical systems for the direct visualization of exposure to ultraviolet radiation that effect visible color changes involving a process in which a photoacid is formed upon irradiation of a...
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5407783 |
Photoimageable compositions containing substituted 1, 2 dihalogenated ethanes for enhanced printout image
Photoimageable compositions, photoimageable resist compositions, and photoimageable resist elements that afford enhanced, storage stable printout images are disclosed which include a substituted...
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5401607 |
Processes and compositions for photogeneration of acid
An infra-red sensitive acid-generating medium comprises a binder, an iodonium salt; and a squarylium dye capable of absorbing infra-red radiation having a wavelength within the range of about 700...
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5389498 |
Photochemical generation of dyes
A photosensitive element for the production of near infrared absorbing images having a photosensitive medium comprising a trialkyl orthoester, a photochemical source of a strong acid and a compound...
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5338643 |
O-quinonediazide photosensitive composition containing s-triazine compound, novolak resin, vinyl-based polymer and a dye
Disclosed herein is a photosensitive composition comprising: (A) 5 to 60 wt % of an o-quinonediazide compound; (B) 0.05 to 10 wt % of an s-triazine compound (C) 0.01 to 10 wt % of a dye...
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5296275 |
Phototranschromic ink
A phototranschromic ink suitable for use in a printing machine, including a water soluble, inert, nonionic polymeric resin carrier base having film forming properties, a photo acid or photo base...
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5234798 |
Thermal reactive structures
Structures for items such as promotional materials, game pieces, lottery tickets, security documents and other articles, which feature one or more thermal reactive layers that are activated by heat...
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5232820 |
Process of directly imaging a thermosensitive polyacetylene salt dyes
This invention relates to novel thermochromic quaternized polyacetylene salt derivatives which are visually imageable by exposure to a light source generating energy in a wavelength of from about...
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5187049 |
Photosensitive thermally developed compositions
A photothermographic composition is disclosed comprising a sensitizing dye and the salt of an oxidizing acid and a leuco dye, wherein said acid consists of a Group V, VI, or VII element and oxygen.
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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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5166041 |
Near infrared ray-decolorizable recording material
The present invention relates to a near infrared ray-decolorizable recording material comprising a near infrared ray-absorbing cationic dye-borate anion complex having the formula (I): ##STR1##...
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5153106 |
Direct color imaging with laser in a writing mode
The invention relates to a process for direct and permanent photopositive scribing on a thermochromic coating composition consisting essentially of certain thermosensitive aryl diacetylenes which...
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