Developing agents for (photo) thermographic systems
A thermographic element comprising in a non-aqueous binder medium a silver salt oxidizing agent in reactive association with a compound comprising a plurality of redox color releasing moieties such that oxidation of each redox color releasing moiety causes release from said compound of a thermally d...
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| creator | STIBBARD JOHN H. A NAIRNE ROBERT J. D MOONEY JUSTINE A MOTT ANDREW W GRIEVE DUNCAN MCL. A LYNCH DOREEN C BOTTOMLEY WILLIAM E SIMPSON SHARON M MADER ROGER A VOGEL KIM M EIAN GILBERT L KENNEY RAYMOND J BAYS DAVID C POON STEPHEN S. C ISHIDA TAKUZO |
| description | A thermographic element comprising in a non-aqueous binder medium a silver salt oxidizing agent in reactive association with a compound comprising a plurality of redox color releasing moieties such that oxidation of each redox color releasing moiety causes release from said compound of a thermally diffusible dye. The compounds many of which are new incorporate two or more developer moieties into a single molecule to minimize the diffusibility of the compound. Following oxidation, either directly by the silver salt or by means of a cross-oxidizing agent, each oxidized developer moiety releases a thermally diffusible dye. The compounds are of sufficient size and molecular weight to slow or prevent diffusion in imaging systems and yet possess several active developer moieties per molecule which is advantageous over known ballasted dye releasers which comprise bulky molecules with only a single developer moiety. |
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C ; ISHIDA; TAKUZO</creator><creatorcontrib>STIBBARD; JOHN H. A ; NAIRNE; ROBERT J. D ; MOONEY; JUSTINE A ; MOTT; ANDREW W ; GRIEVE; DUNCAN MCL. A ; LYNCH; DOREEN C ; BOTTOMLEY; WILLIAM E ; SIMPSON; SHARON M ; MADER; ROGER A ; VOGEL; KIM M ; EIAN; GILBERT L ; KENNEY; RAYMOND J ; BAYS; DAVID C ; POON; STEPHEN S. C ; ISHIDA; TAKUZO</creatorcontrib><description>A thermographic element comprising in a non-aqueous binder medium a silver salt oxidizing agent in reactive association with a compound comprising a plurality of redox color releasing moieties such that oxidation of each redox color releasing moiety causes release from said compound of a thermally diffusible dye. The compounds many of which are new incorporate two or more developer moieties into a single molecule to minimize the diffusibility of the compound. Following oxidation, either directly by the silver salt or by means of a cross-oxidizing agent, each oxidized developer moiety releases a thermally diffusible dye. 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C</creatorcontrib><creatorcontrib>ISHIDA; TAKUZO</creatorcontrib><title>Developing agents for (photo) thermographic systems</title><description>A thermographic element comprising in a non-aqueous binder medium a silver salt oxidizing agent in reactive association with a compound comprising a plurality of redox color releasing moieties such that oxidation of each redox color releasing moiety causes release from said compound of a thermally diffusible dye. The compounds many of which are new incorporate two or more developer moieties into a single molecule to minimize the diffusibility of the compound. Following oxidation, either directly by the silver salt or by means of a cross-oxidizing agent, each oxidized developer moiety releases a thermally diffusible dye. The compounds are of sufficient size and molecular weight to slow or prevent diffusion in imaging systems and yet possess several active developer moieties per molecule which is advantageous over known ballasted dye releasers which comprise bulky molecules with only a single developer moiety.</description><subject>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM</subject><subject>ADHESIVES</subject><subject>AUXILIARY PROCESSES IN PHOTOGRAPHY</subject><subject>CHEMISTRY</subject><subject>CINEMATOGRAPHY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>DYES</subject><subject>ELECTROGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>LAKES</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>MORDANTS</subject><subject>NATURAL RESINS</subject><subject>ORGANIC CHEMISTRY</subject><subject>ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PAINTS</subject><subject>PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES</subject><subject>PHOTOGRAPHY</subject><subject>PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB2SS1LzckvyMxLV0hMT80rKVZIyy9S0CjIyC_J11QoyUgtys1PL0osyMhMViiuLC5JzS3mYWBNS8wpTuWF0twM8m6uIc4euqkF-fGpxQWJyal5qSXxocGmZmbGBiZGjsaEVQAAYXwr7g</recordid><startdate>19970902</startdate><enddate>19970902</enddate><creator>STIBBARD; JOHN H. 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C ; ISHIDA; TAKUZO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US5663042A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1997</creationdate><topic>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM</topic><topic>ADHESIVES</topic><topic>AUXILIARY PROCESSES IN PHOTOGRAPHY</topic><topic>CHEMISTRY</topic><topic>CINEMATOGRAPHY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>DYES</topic><topic>ELECTROGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>LAKES</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>MORDANTS</topic><topic>NATURAL RESINS</topic><topic>ORGANIC CHEMISTRY</topic><topic>ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PAINTS</topic><topic>PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES</topic><topic>PHOTOGRAPHY</topic><topic>PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES</topic><topic>PHYSICS</topic><topic>POLISHES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>STIBBARD; JOHN H. 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A</au><au>LYNCH; DOREEN C</au><au>BOTTOMLEY; WILLIAM E</au><au>SIMPSON; SHARON M</au><au>MADER; ROGER A</au><au>VOGEL; KIM M</au><au>EIAN; GILBERT L</au><au>KENNEY; RAYMOND J</au><au>BAYS; DAVID C</au><au>POON; STEPHEN S. C</au><au>ISHIDA; TAKUZO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Developing agents for (photo) thermographic systems</title><date>1997-09-02</date><risdate>1997</risdate><abstract>A thermographic element comprising in a non-aqueous binder medium a silver salt oxidizing agent in reactive association with a compound comprising a plurality of redox color releasing moieties such that oxidation of each redox color releasing moiety causes release from said compound of a thermally diffusible dye. The compounds many of which are new incorporate two or more developer moieties into a single molecule to minimize the diffusibility of the compound. Following oxidation, either directly by the silver salt or by means of a cross-oxidizing agent, each oxidized developer moiety releases a thermally diffusible dye. The compounds are of sufficient size and molecular weight to slow or prevent diffusion in imaging systems and yet possess several active developer moieties per molecule which is advantageous over known ballasted dye releasers which comprise bulky molecules with only a single developer moiety.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON DYES ELECTROGRAPHY HOLOGRAPHY LAKES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Developing agents for (photo) thermographic systems |
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