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| Number | Title | Issue Date |
| 6242168 | Silver halide color photographic light-sensitive elements having improved image quality The present invention relates to a light-sensitive silver halide color multilayer photographic material which comprises a support base having coated thereon at least three red-sensitive emulsion layers having different sensitivity, at least three green-se... | 06/05/2001 |
| 5681693 | Post processing stabilization of photothermographic emulsions The addition of 3-substituted-5-mercapto-1H-tetrazoles to silver halide photothermographic emulsions improves the post-processing stability of the emulsion.... | 10/28/1997 |
| 5670294 | Aqueous alkaline solution for developing offset printing plates The present invention relates to an aqueous alkaline developing solution comprising an alkaline mixture of an alkali metal silicate and/or an alkali metal metasilicate, wherein the M2 O/SiO2 molar ratio of said alkaline mixture is in... | 09/23/1997 |
| 5663040 | Silver halide photographic elements containing 2-equivalent 5-pyrazolone magenta couplers Silver halide photographic element comprising a support and at least one silver halide emulsion layer having therein a 2-equivalent 5-pyrazolone magenta coupler represented by the formula: ##STR1## wherein a represents an integer from 0 to 3, b repre... | 09/02/1997 |
| 5658718 | Silver halide color photographic elements Multilayer silver halide color photographic element comprising a support having thereon at least a blue sensitive silver halide emulsion layer containing a yellow dye-forming coupler, at least a green-sensitive silver halide emulsion layer containing a ma... | 08/19/1997 |
| 5658717 | Silver halide color photographic elements Multilayer silver halide color photographic element comprising a support having thereon at least a blue sensitive silver halide emulsion layer containing a yellow dye-forming coupler, at least a green-sensitive silver halide emulsion layer containing a ma... | 08/19/1997 |
| 5600396 | Photothermographic thermal processor filtration system A thermal developing unit for the thermal development of photothermographic media which comprises a means for thermally developing photothermographic media by placing said media in contact with a heated element within a case, a first and second opening fo... | 02/04/1997 |
| 5015556 | Flexographic printing plate process Negative-acting flexographic printing plates display enhanced performance when backside irradiated with ionizing radiation instead of longer wavelength ultraviolet radiation. A better defined floor and more readily controlled floor is produced on the fina... | 05/14/1991 |
| 4868006 | Polymeric film with reduced surface friction Semicrystalline polymers can have predetermined amounts of their surfaces rendered amorphous or quasi-amorphous by irradiation. Further treatment of these polymer surfaces which have been so modified, such as crystallization, can produce surfaces with red... | 09/19/1989 |
| 4863801 | Surface treatment of pet film Antistatic protection can be provided to a substrate by providing two coatings or layers to the substrate. The first layer is a blend of two different polymers or copolymers that crosslink within the coating and the second layer is a subbing layer. This c... | 09/05/1989 |
| 4861697 | Recording medium for optical data storage An optical data storage element in which information can be recorded and read directly afterwards by means of laser light comprising, as a recording medium a dye dissolved or dispersed in a binder in which at least 25% by weight of the binder comprises a ... | 08/29/1989 |
| 4857503 | Thermal dye transfer materials The use of eutectic combinations of a dye and a second compound (which may also be a dye) in a binder has been found to provide benefits to thermal dye transfer materials.... | 08/15/1989 |
| 4857450 | Silver halide photographic materials High contrast negative acting silver halide emulsions suitable for laser scanning applications comprising a Group VIII metal compound and one or more spectrally sensitizing dyes of the formula ##STR1## The emulsions have good long term stability and ... | 08/15/1989 |
| 4853310 | Triiolide salts of cyanine dyes suitable for sensitization of photoconductive systems Cyanine dyes, particularly indocyanine dyes, having at least 7 carbon atoms in the polymethine chain which may possess a fused cyclopentene or cyclohexene ring in the form of a tri-iodide salt exhibit a substantial reduction in the propensity to associate... | 08/01/1989 |
| 4853316 | Subbed supports for imaging materials Subbing layers on carrier elements for use with photopolymerizable, photosolubilizable, and photodepolymerizable compositions are advantageously comprised of polyureas and polybiuret polymer.... | 08/01/1989 |
| 4853365 | Thermal dye transfer-dye receptor construction This invention relates to a dye receptor element for thermal dye transfer which comprises a support having thereon a resinous binder consisting of chlorinated polyvinyl chloride or chlorinated polyvinyl chloride with other resinous blends. Dyes which are ... | 08/01/1989 |
| 4849326 | White light handeable direct-positive silver halide photographic elements UV-sensitive direct positive silver halide photographic elements for duplicating processes which can be safely handled under white light, said elements comprising a support base, a hydrophilic colloidal silver halide emulsion layer comprising fogged silve... | 07/18/1989 |
| 4849327 | Silver halide light-sensitive material comprising benzo-bis-thiazole quaternary salts as antifogging agents Benzo-bis-thiazole quaternary salts having attached to at least one quaternary nitrogen atom thereof an alkenyl group carrying a double bond in the ଲ-position and their use as antifogging agents in silver halide light-sensitive materials.... | 07/18/1989 |
| 4847238 | Thermal dye transfer dye donor construction This invention relates to dye donor and dye receiving elements utilized in thermal dye transfer, and in particular to the use of chlorinated polyvinyl chloride, polyvinyl chloride or mixtures thereof as a polymeric material in a dye donor construction.... | 07/11/1989 |
| 4847191 | Silver halide photographic materials having rhodium cyanide dopants Photographic elements adapted for high intensity exposures of short dwell time, e.g. laser scanning which comprise a chemically working silver halide emulsion in which the silver halide grains were formed in the presence of one or more complex compounds o... | 07/11/1989 |
| 4839224 | Thermal transfer recording material containing chlorinated paraffin wax A novel donor construction is used for thermal mass transfer imaging applications. The donor constructions are coated from pigment dispersions which are flushed in solutions containing a chlorinated wax. Because of near refractive index matching to the co... | 06/13/1989 |
| 4835557 | Apparatus for the daylight transfer of a video image onto a photosensitive film Automatic apparatus for the transfer in daylight of a video image onto a discrete or continuous sheet of photosensitive film contained in a loading unit. The apparatus comprises a base unit containing televisual display means and a handling and exposure u... | 05/30/1989 |
| 4835096 | Sensitizers for photothermographic media Photothermographic elements of the dry silver type may be sensitized to the infrared with sensitizing dyes of the formula: ##STR1## in which: R1 represents a lower alkyl group of from 1 to 5 carbon atoms and X- represents an ani... | 05/30/1989 |
| 4833061 | Photosensitive phospholipid vesicles Photosensitive compositions having surfactant vesicles therein are described. A method is also shown in which the photosensitive vesicle containing an enclosed substance is exposed to light to control the release of the substance.... | 05/23/1989 |
| 4828962 | High contrast scanner photographic elements employing ruthenium and iridium dopants Photographic elements comprising a negative working silver halide emulsion containing high intensity reciprocity failure reducing amounts of dopant comprising both ruthenium and iridium ions.... | 05/09/1989 |
| 4829046 | Positive-acting thermographic materials A positive-acting thermographic material which is black or dark colored in the unexposed condition turns white or light colored when exposed to elevated temperatures. The material comprises a binder, a dark colored complex of ferric iron with a ligand cho... | 05/09/1989 |
| 4824699 | Process for improved adhesion to semicrystalline polymer film The present invention relates to a process for adhering coatings directly to semicrystalline polymer films. The surface of the film is first rendered quasi-amorphous. The quasi-amorphous surface is then either (a) washed with a solvent for amorphous polye... | 04/25/1989 |
| 4824770 | Continuous tone color imaging using laser or light emitting diode sources A process for producing a continuous tone color image comprising providing a light sensitive photographic element comprising a substrate bearing three imaging media coated thereon, said imaging media comprising: (1) an imaging medium capable of forming a yello... | 04/25/1989 |
| 4822728 | Silver halide color photographic elements A color image, wherein granularity is reduced under conditions allowing any sharpness loss to be kept under control, is obtained by image-wise exposing and developing in an alkaline water solution containing a color developer a silver halide color photogr... | 04/18/1989 |
| 4822724 | Process for the formation of stable color photographic images In a reversal process for the formation of color photographic images which consists of a black and white development (first development) to obtain a first negative image, followed by exposure and/or uniform fogging of the residual silver halide and a furt... | 04/18/1989 |
| 4822643 | Thermal transfer imaging system A thermal imaging transfer process and donor sheet are described. The donor sheet comprises a layer of particulate colorant/binder on a substrate. Essentially individual particles are transferred during imaging to provide a high resolution image.... | 04/18/1989 |
| 4822451 | Process for the surface modification of semicrystalline polymers Semicrystalline polymers can have predetermined amounts of their surfaces rendered quasi-amorphous by irradiation. Polymer surfaces which are so modified can display enhanced ability to accept bonding to other materials.... | 04/18/1989 |
| 4820846 | Triarylmethane compounds, their preparation and use as photoconductive systems Compounds which are useful as sensitizers of photoconductors, having the general formula: ##STR1## in which: like symbols represent identical substituents, at least 4 of R1 to R9 represent hydrogen atoms and the remaining R... | 04/11/1989 |
| 4818663 | Photographic materials and color proofing system A radiation-sensitive element suitable for the preparation of half-tone color proofs comprising a substrate bearing at least four separate positive acting imaging media coated thereon, said imaging media including: (1) an imaging medium capable of forming... | 04/04/1989 |
| 4816378 | Imaging system An imaging process which comprises the steps of: (i) providing a first radiation sensitive element comprising a transparent base having coated thereon at least three imaging media each capable of forming a color image upon imagewise exposure and processing, ea... | 03/28/1989 |
| 4814827 | Photographic color proofing apparatus A radiation-sensitive element for half tone color proofing adapted to be exposed by scanning with four independently modulated sources of radiation emitting at different wavelengths within the range 550 to 900 nm, the element comprising a substrate bearin... | 03/21/1989 |
| 4814263 | Direct-positive silver halide emulsion A direct-positive silver halide emulsion comprising fine grain reduction and gold surface fogged silver halide grains containing an electron-trapping effective amount of at least one Group VIII metal dopant, at least 75% by weight of all silver halide gra... | 03/21/1989 |
| 4812390 | Process and element for obtaining a photographic image A photographic image is formed with silver halide emulsions by using optically unsensitized light sensitive (coarse) silver halide grains. Optically (or spectrally) sensitized fine grains (or crystals or particles),--especially light insensitive or Lippma... | 03/14/1989 |
| 4808565 | Thermal imaging material Thermographic materials are colorless when unexposed, but provide an intense dark image when thermally addressed. The materials comprise white ferric organophosphate, ferric organophosphinate, or ferric organophosphonate in a clear binder with a colorless... | 02/28/1989 |
| 4809313 | X-ray film feeding magazine usable in film handling automatic apparatus X-ray film feeding magazine usable in a film handling automatic apparatus, comprising a tray (3) in which is defined a housing (26) to receive an x-ray film packet (F). The film housing is delimited by a front gauge (17) and at least a side gauge (28) whi... | 02/28/1989 |
