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7529385 |
Marking articles using a covert digitally watermarked image
A marking system that includes forming at least one marking in or on an article, wherein the image formed is not visible to the unaided human observer, and further contains at least one digital...
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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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7220535 |
Marking and authenticating articles
Disclosed herein are methods and apparatus for providing markings upon objects, including the read side of an optical information media, where the markings do not substantially interfere with...
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7158164 |
Thermal development method and apparatus
In a thermal development method for generating a image from a latent image recorded on an image formation layer of a photosensitive photothermographic recording material, by means of heating the...
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7144694 |
Photothermographic imaging material and method for forming image
A photothermographic imaging material including a support; an image forming layer containing an organic silver salt, a photosensitive silver halide, a binder and a silver ion reducing agent, 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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7126620 |
Thermal development method and apparatus
In a thermal development method for generating an image from a latent image recorded on an image formation layer of a photosensitive photothermographic recording material, by means of heating the...
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7123281 |
Thermal development method and apparatus
In a thermal development method for generating a image from a latent image recorded on an image formation layer of a photosensitive photothermographic recording material, by means of heating the...
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7018790 |
Photothermographic imaging material and method for forming image
A photothermographic imaging material including a support; an image forming layer containing an organic silver salt, a photosensitive silver halide, a binder and a silver ion reducing agent, the...
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6885391 |
Thermal development apparatus
There is described a thermal development apparatus, which makes it possible to prevent generation of density variations caused by changes of the processing temperature during the thermal developing...
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6461802 |
Adhesive layer for polyester film
The coating quality of an adhesive layer applied in direct contact on a polyester film is improved by using an alkyl (poly)glycoside as surfactant. A polyester film carrying such layer is suitable...
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6416922 |
Azomethine dye precursor, image-forming material, and image-forming method
The present invention related to an azomethine dye precursor represented by the following general formula (1) and the image-forming material and image-forming method using the azomethine dye...
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6411320 |
Segmented heated drum processor
A thermographic imaging system in which exposed thermographic imaging media is moved along a path, apparatus comprising: a movable member of thermally conductive material located along said path,...
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6387584 |
Photoimaging material
A photoimaging material which comprises a support and a photoimaging layer formed on the support. The photoimaging layer comprises microcapsules and a reducing agent present outside the...
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6329121 |
Image recording medium, image recording method and heat coloring polymer compound
An image recording medium is disclosed which comprising: an acid generating agent capable of generating an acid by the action of heat or an acid, which is represented by the following formula (1);...
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6180315 |
Compositions for making structured color images and application thereof
Novel compositions for making structured color images and application thereof Compositions for making structured color images comprising (a) a soluble pigment precursor which can be transformed...
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6143480 |
Leuco dye and image recording medium containing the same
Disclosed is a leuco dye in which a hydrogen atom capable of transferring by isomerization in a dye represented by formula (1) or a tautomer thereof is substituted by a substituent group P which...
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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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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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5985381 |
Methods for increasing a camouflaging effect and articles so produced
Methods and articles so produced for increasing the camouflaging effect of any camouflaging pattern, the invention relates to the coating of at least portions of a camouflaging pattern disposed on...
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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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5876898 |
Heat sensitive recording material and recording method using the same
A heat sensitive recording material is provided which can be simply prevented from falsification and is excellent in contrast between fixed portion and image portion, and a recording method using...
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5789135 |
Light-and heat-sensitive recording material and recording method by use thereof
A light- and heat-sensitive recording material is disclosed, comprising a support provided thereon a light- and heat-sensitive layer containing a photo-color-forming element comprising a...
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5741630 |
Process for fixing an image, and medium for use therein
A process for producing and fixing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizer and a secondary acid...
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5698363 |
Image forming method
An image forming method is disclosed. In the method, an image-forming element comprising a support provided thereon a first layer containing substantially of one or two components selected from...
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5672466 |
Method for forming an image and silver halide photographic light-sensitive material
There is disclosed a silver halide photosensitive material and a method for forming an image, by the use of a color-developing agent of the type of carbonylhydrazone. The color-developing agent has...
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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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5582956 |
Process for fixing an image, and medium for use therein
A process for producing and fixing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizer and a secondary acid...
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5578424 |
Process for generation of unbuffered super-acid and for imaging
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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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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5510224 |
Photosensitive microcapsule for photoimaging and thermal development recording media
A photosensitive microcapsule which contains a polymerizable monomer and a polymerization initiator has increased sensitivity due to the displacement of soluble water in the monomer photosensitive...
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5508146 |
Imaging element overcoat for reductive laser-imaging
This invention relates to an imaging element for reductive laser-imaging comprising a support having thereon an imaging layer comprising: a) a reducible Co(III) ammine complex, b) a source of...
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5506093 |
Imaging element for reductive laser-imaging
This invention relates to an imaging element for reductive laser-imaging comprising a support having thereon an imaging layer comprising: a) a reducible Co(III) ammine complex, b) a source of...
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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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5441850 |
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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5424164 |
Image forming method
A recording material which comprises a support having provided thereon capsules containing a photosensitive diazonium salt, and a polymerizable coupler. The recording material can give a...
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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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5395737 |
Heat- and photo-sensitive imaging element and method for making images therewith
An imaging element is disclosed comprising on a support a dye precursor and a color developer arranged in the same layer or in separate layers characterized in that a specific type of monomers...
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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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5376495 |
Light-sensitive heat-sensitive recording material
A light-sensitive heat-sensitive recording material is disclosed, which contains microcapsules resulting from a solution containing at least one component capable of undergoing color development or...
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5364739 |
Nonsilver x-ray recording process
An X-Ray sensitive composition including one or several photopolymerizable monomer or photocrosslinkable polymer systems and thermochromic substances which can be used in a dry X-Ray reproduction...
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5334489 |
Process for generation of squaric 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 squaric acid...
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5328811 |
Method of printing an image on a substrate particularly useful for producing printed circuit boards
A method of printing an image on a substrate by applying to the substrate a film which is chemically activated by heat, and scanning the film by a beam of radiation according to the image to be...
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5312713 |
Information recording medium and information recording method
An information recording medium comprises a recording layer including a mixture of organic polysilane and oxo metallic phthalocyanine pigment. Information is recorded by adding heat or light to the...
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5304452 |
Heat sensitive diazo type recording material utilizing microencapsulated diazo compound and a coupling component
A recording material comprising a support coated with a photosensitive layer comprising a photosensitive diazo compound enclosed in microcapsules and a coupling component. The microcapsules are...
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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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5286612 |
Process for generation of free superacid and for imaging, and imaging medium for use therein
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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5278031 |
Process for thermochemical generation of squaric 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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