Hardened silver halide photographic elements
Light-sensitive silver halide photographic element comprising a support bearing at least a light-sensitive silver halide emulsion layer and at least a protective layer being further away from the support than every silver halide emulsion layer, said protective layer containing a gelatin having a vis...
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| creator | MARINELLI DOMENICO GIUSTO GIOVANNI MASSIRIO SERGIO |
| description | Light-sensitive silver halide photographic element comprising a support bearing at least a light-sensitive silver halide emulsion layer and at least a protective layer being further away from the support than every silver halide emulsion layer, said protective layer containing a gelatin having a viscosity lower than 20 milliPascal per seconds in 10 weight % aqueous solution at 40 DEG C., said gelatin being hardened with a carbamoyl pyridinium salt compound having the following formula: wherein R1 and R2, which may be the same or different, each represents an alkyl group, an aryl group or an aralkyl group, or R1 and R2, together, constitute the atoms required to form a heterocyclic ring with the nitrogen atom to which they are bonded, R3 represents hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a carbamoyl group, or a ureido group, and R4 represents an alkylene group or a single chemical bond between the pyridinium nucleus and the -SO3- group. |
| format | Patent |
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CINEMATOGRAPHY ; ELECTROGRAPHY ; HOLOGRAPHY ; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES ; PHOTOGRAPHY ; PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES ; PHYSICS</subject><creationdate>1996</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960625&DB=EPODOC&CC=US&NR=5529892A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960625&DB=EPODOC&CC=US&NR=5529892A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MARINELLI; DOMENICO</creatorcontrib><creatorcontrib>GIUSTO; 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DOMENICO</creator><creator>GIUSTO; GIOVANNI</creator><creator>MASSIRIO; SERGIO</creator><scope>EVB</scope></search><sort><creationdate>19960625</creationdate><title>Hardened silver halide photographic elements</title><author>MARINELLI; DOMENICO ; GIUSTO; GIOVANNI ; MASSIRIO; SERGIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US5529892A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1996</creationdate><topic>AUXILIARY PROCESSES IN PHOTOGRAPHY</topic><topic>CINEMATOGRAPHY</topic><topic>ELECTROGRAPHY</topic><topic>HOLOGRAPHY</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><toplevel>online_resources</toplevel><creatorcontrib>MARINELLI; DOMENICO</creatorcontrib><creatorcontrib>GIUSTO; GIOVANNI</creatorcontrib><creatorcontrib>MASSIRIO; SERGIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MARINELLI; DOMENICO</au><au>GIUSTO; GIOVANNI</au><au>MASSIRIO; SERGIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hardened silver halide photographic elements</title><date>1996-06-25</date><risdate>1996</risdate><abstract>Light-sensitive silver halide photographic element comprising a support bearing at least a light-sensitive silver halide emulsion layer and at least a protective layer being further away from the support than every silver halide emulsion layer, said protective layer containing a gelatin having a viscosity lower than 20 milliPascal per seconds in 10 weight % aqueous solution at 40 DEG C., said gelatin being hardened with a carbamoyl pyridinium salt compound having the following formula: wherein R1 and R2, which may be the same or different, each represents an alkyl group, an aryl group or an aralkyl group, or R1 and R2, together, constitute the atoms required to form a heterocyclic ring with the nitrogen atom to which they are bonded, R3 represents hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a carbamoyl group, or a ureido group, and R4 represents an alkylene group or a single chemical bond between the pyridinium nucleus and the -SO3- group.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS |
| title | Hardened silver halide photographic elements |
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