WÄRMEEMPFINDLICHES BILDAUFZEICHNUNGSMEDIUM UND VERFAHREN
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 undergo a color change when contacted by the acid generated from the squaric acid derivatives. Preferabl...
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| creator | WATERMAN, KENNETH, C., ARLINGTON, MA 02174, US GRASSHOFF, JURGEN, M., HUDSON, MA 01749, US LEE, JOHN, M., STILL RIVER, MA 01467, US PUTTICK, ANTHONY, J., ARLINGTON, MA 02174, US BOGGS, ROGER, A., WAYLAND, MA 01778, US MARSHALL, JOHN, L., SOMERVILLE, MA 02144, US TELFER, STEPHEN, J., ARLINGTON, MA 02174, US WALLER, DAVID, P., LEXINGTON, MA 02174, US MISCHKE, MARK, A., ARLINGTON, MA 02174, US |
| description | 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 undergo a color change when contacted by the acid generated from the squaric acid derivatives. Preferably, the acid-sensitive materials undergo an irreversible color change, so that the image can be fixed by neutralizing all the acid generated with excess base, thereby preventing further color change in the image during long term storage. |
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The squaric acid derivatives may be used in imaging media in conjunction with acid-sensitive materials which undergo a color change when contacted by the acid generated from the squaric acid derivatives. Preferably, the acid-sensitive materials undergo an irreversible color change, so that the image can be fixed by neutralizing all the acid generated with excess base, thereby preventing further color change in the image during long term storage.</description><edition>6</edition><language>ger</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; AUXILIARY PROCESSES IN PHOTOGRAPHY ; CHEMISTRY ; CINEMATOGRAPHY ; COLOUR PRINTING ; ELECTROGRAPHY ; HOLOGRAPHY ; LINING MACHINES ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES ; PHOTOGRAPHY ; PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES ; PHYSICS ; PRINTING ; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES ; STAMPS ; TRANSPORTING ; TYPEWRITERS</subject><creationdate>1997</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=19970626&DB=EPODOC&CC=DE&NR=69307718T2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970626&DB=EPODOC&CC=DE&NR=69307718T2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WATERMAN, KENNETH, C., ARLINGTON, MA 02174, US</creatorcontrib><creatorcontrib>GRASSHOFF, JURGEN, M., HUDSON, MA 01749, US</creatorcontrib><creatorcontrib>LEE, JOHN, M., STILL RIVER, MA 01467, US</creatorcontrib><creatorcontrib>PUTTICK, ANTHONY, J., ARLINGTON, MA 02174, US</creatorcontrib><creatorcontrib>BOGGS, ROGER, A., WAYLAND, MA 01778, US</creatorcontrib><creatorcontrib>MARSHALL, JOHN, L., SOMERVILLE, MA 02144, US</creatorcontrib><creatorcontrib>TELFER, STEPHEN, J., ARLINGTON, MA 02174, US</creatorcontrib><creatorcontrib>WALLER, DAVID, P., LEXINGTON, MA 02174, US</creatorcontrib><creatorcontrib>MISCHKE, MARK, A., ARLINGTON, MA 02174, US</creatorcontrib><title>WÄRMEEMPFINDLICHES BILDAUFZEICHNUNGSMEDIUM UND VERFAHREN</title><description>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 undergo a color change when contacted by the acid generated from the squaric acid derivatives. 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The squaric acid derivatives may be used in imaging media in conjunction with acid-sensitive materials which undergo a color change when contacted by the acid generated from the squaric acid derivatives. Preferably, the acid-sensitive materials undergo an irreversible color change, so that the image can be fixed by neutralizing all the acid generated with excess base, thereby preventing further color change in the image during long term storage.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY COLOUR PRINTING ELECTROGRAPHY HOLOGRAPHY LINING MACHINES METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS |
| title | WÄRMEEMPFINDLICHES BILDAUFZEICHNUNGSMEDIUM UND VERFAHREN |
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