PHOTOGRAPHIC ELEMENT HAVING WATERPROOF PROTECTIVE OVERCOAT
PROBLEM TO BE SOLVED: To dispose a waterproof protective overcoat on an image formed element. SOLUTION: The photographic element has a base, at least one silver halide emulsion layer lapped on one face of the base and a waterproof protective overcoat including a processing solution permeable overcoa...
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| creator | KESTNER MELVIN MICHAEL BELLO JAMES L WANG YONGCAI O'CONNOR KEVIN M |
| description | PROBLEM TO BE SOLVED: To dispose a waterproof protective overcoat on an image formed element. SOLUTION: The photographic element has a base, at least one silver halide emulsion layer lapped on one face of the base and a waterproof protective overcoat including a processing solution permeable overcoat with at least 0.54 g/m2 coating weight of a coating composition on the silver halide emulsion layer. The coating composition contains (i) water-dispersible latex particles containing an epoxy material having at least 1.5 epoxy group per one molecule on average and a polymer having an acid value of 30-250 and carrying acid groups neutralized with a base to 50-95% neutralization degree and having 0.01-0.5 μm average particle diameter and >20 deg.C Tg (glass transition temperature), (ii) a water-soluble hydrophilic polymer and (iii) an associated thickener modified to hydrophobic property. |
| format | Patent |
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The coating composition contains (i) water-dispersible latex particles containing an epoxy material having at least 1.5 epoxy group per one molecule on average and a polymer having an acid value of 30-250 and carrying acid groups neutralized with a base to 50-95% neutralization degree and having 0.01-0.5 μm average particle diameter and >20 deg.C Tg (glass transition temperature), (ii) a water-soluble hydrophilic polymer and (iii) an associated thickener modified to hydrophobic property.</description><edition>7</edition><language>eng</language><subject>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</subject><creationdate>2002</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=20020626&DB=EPODOC&CC=JP&NR=2002182336A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020626&DB=EPODOC&CC=JP&NR=2002182336A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KESTNER MELVIN MICHAEL</creatorcontrib><creatorcontrib>BELLO JAMES L</creatorcontrib><creatorcontrib>WANG YONGCAI</creatorcontrib><creatorcontrib>O'CONNOR KEVIN M</creatorcontrib><title>PHOTOGRAPHIC ELEMENT HAVING WATERPROOF PROTECTIVE OVERCOAT</title><description>PROBLEM TO BE SOLVED: To dispose a waterproof protective overcoat on an image formed element. 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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 | PHOTOGRAPHIC ELEMENT HAVING WATERPROOF PROTECTIVE OVERCOAT |
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