Articles with photochromic polyurethane coatings
Described are photochromic polyurethane coatings that meet commercially acceptable ""cosmetic"" standards for optical coatings. Also described are articles having such coatings. The coatings exhibit a Fischer microhardness of from 50 to 150 Newtons per mm and improved photochromi...
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| creator | HUNT, ROBIN CONKLIN, JEANINE A GRUCHACZ, NANCYANNE BOWLES, ROBERT J. III SWARUP, SHANTI |
| description | Described are photochromic polyurethane coatings that meet commercially acceptable ""cosmetic"" standards for optical coatings. Also described are articles having such coatings. The coatings exhibit a Fischer microhardness of from 50 to 150 Newtons per mm and improved photochromic properties, i.e., the formation of darker activated colors and faster rates of photochromic activation and fade when irradiated with ultraviolet light. |
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III ; SWARUP, SHANTI</creatorcontrib><description>Described are photochromic polyurethane coatings that meet commercially acceptable ""cosmetic"" standards for optical coatings. Also described are articles having such coatings. The coatings exhibit a Fischer microhardness of from 50 to 150 Newtons per mm and improved photochromic properties, i.e., the formation of darker activated colors and faster rates of photochromic activation and fade when irradiated with ultraviolet light.</description><edition>7</edition><language>eng</language><subject>ADHESIVES ; AUXILIARY PROCESSES IN PHOTOGRAPHY ; CHEMISTRY ; CINEMATOGRAPHY ; COMPOSITIONS BASED THEREON ; CONTACT LENSES ; DYES ; ELECTROGRAPHY ; HOLOGRAPHY ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES ; PHOTOGRAPHY ; PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES ; PHYSICS ; POLISHES ; SPECTACLES ; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES ; THEIR PREPARATION OR CHEMICAL WORKING-UP</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=20020101&DB=EPODOC&CC=TW&NR=470702B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020101&DB=EPODOC&CC=TW&NR=470702B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUNT, ROBIN</creatorcontrib><creatorcontrib>CONKLIN, JEANINE A</creatorcontrib><creatorcontrib>GRUCHACZ, NANCYANNE</creatorcontrib><creatorcontrib>BOWLES, ROBERT J. 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III</creatorcontrib><creatorcontrib>SWARUP, SHANTI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HUNT, ROBIN</au><au>CONKLIN, JEANINE A</au><au>GRUCHACZ, NANCYANNE</au><au>BOWLES, ROBERT J. III</au><au>SWARUP, SHANTI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Articles with photochromic polyurethane coatings</title><date>2002-01-01</date><risdate>2002</risdate><abstract>Described are photochromic polyurethane coatings that meet commercially acceptable ""cosmetic"" standards for optical coatings. Also described are articles having such coatings. 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| subjects | ADHESIVES AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON CONTACT LENSES DYES ELECTROGRAPHY HOLOGRAPHY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS POLISHES SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Articles with photochromic polyurethane coatings |
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