Lead and arsenic free, solarization resistant glass
An electric arc discharge lamp having an arc discharge light source which emits both visible light radiation and UV radiation enclosed within an anti-solarization borosilicate glass envelope which is lead and arsenic free and having a transmission of greater than 90% at a wave length of 425 nm and a...
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| creator | BIDDULPH, R. BRUCE MAYLOR, RICHARD C |
| description | An electric arc discharge lamp having an arc discharge light source which emits both visible light radiation and UV radiation enclosed within an anti-solarization borosilicate glass envelope which is lead and arsenic free and having a transmission of greater than 90% at a wave length of 425 nm and a transmission of not more than 40% of said UV radiation at 320 nm; 8% of said UV radiation at 300 nm; and 0.5% of said UV radiation at 290 nm; said borosilicate glass comprising, in weight percent: from about 3.89% Na2O; about 1.5% K2O; about 0.15% Li2O; about 17% B2O3; about 1.4% Al2O3; about 0.6% CaO; about 0.35% MgO; about 0.15% CeO2; from about 0.075% to about 0.30% SnO2; and the balance SiO2. Also, a glass having the above composition. |
| format | Patent |
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BRUCE ; MAYLOR, RICHARD C</creatorcontrib><description>An electric arc discharge lamp having an arc discharge light source which emits both visible light radiation and UV radiation enclosed within an anti-solarization borosilicate glass envelope which is lead and arsenic free and having a transmission of greater than 90% at a wave length of 425 nm and a transmission of not more than 40% of said UV radiation at 320 nm; 8% of said UV radiation at 300 nm; and 0.5% of said UV radiation at 290 nm; said borosilicate glass comprising, in weight percent: from about 3.89% Na2O; about 1.5% K2O; about 0.15% Li2O; about 17% B2O3; about 1.4% Al2O3; about 0.6% CaO; about 0.35% MgO; about 0.15% CeO2; from about 0.075% to about 0.30% SnO2; and the balance SiO2. Also, a glass having the above composition.</description><edition>6</edition><language>eng ; fre ; ger</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS ; CHEMISTRY ; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ; ELECTRICITY ; GLASS ; JOINING GLASS TO GLASS OR OTHER MATERIALS ; METALLURGY ; MINERAL OR SLAG WOOL ; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS ; SURFACE TREATMENT OF GLASS</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=19961002&DB=EPODOC&CC=EP&NR=0735007A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19961002&DB=EPODOC&CC=EP&NR=0735007A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BIDDULPH, R. BRUCE</creatorcontrib><creatorcontrib>MAYLOR, RICHARD C</creatorcontrib><title>Lead and arsenic free, solarization resistant glass</title><description>An electric arc discharge lamp having an arc discharge light source which emits both visible light radiation and UV radiation enclosed within an anti-solarization borosilicate glass envelope which is lead and arsenic free and having a transmission of greater than 90% at a wave length of 425 nm and a transmission of not more than 40% of said UV radiation at 320 nm; 8% of said UV radiation at 300 nm; and 0.5% of said UV radiation at 290 nm; said borosilicate glass comprising, in weight percent: from about 3.89% Na2O; about 1.5% K2O; about 0.15% Li2O; about 17% B2O3; about 1.4% Al2O3; about 0.6% CaO; about 0.35% MgO; about 0.15% CeO2; from about 0.075% to about 0.30% SnO2; and the balance SiO2. Also, a glass having the above composition.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</subject><subject>CHEMISTRY</subject><subject>ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS</subject><subject>ELECTRICITY</subject><subject>GLASS</subject><subject>JOINING GLASS TO GLASS OR OTHER MATERIALS</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</subject><subject>SURFACE TREATMENT OF GLASS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD2SU1MUUjMA-Ki4tS8zGSFtKLUVB2F4vycxKLMqsSSzPw8haLU4sziksS8EoX0nMTiYh4G1rTEnOJUXijNzaDg5hri7KGbWpAfn1pckJicmpdaEu8aYGBubGpgYO5oaEyEEgCL8yvg</recordid><startdate>19961002</startdate><enddate>19961002</enddate><creator>BIDDULPH, R. BRUCE</creator><creator>MAYLOR, RICHARD C</creator><scope>EVB</scope></search><sort><creationdate>19961002</creationdate><title>Lead and arsenic free, solarization resistant glass</title><author>BIDDULPH, R. BRUCE ; MAYLOR, RICHARD C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0735007A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1996</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</topic><topic>CHEMISTRY</topic><topic>ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS</topic><topic>ELECTRICITY</topic><topic>GLASS</topic><topic>JOINING GLASS TO GLASS OR OTHER MATERIALS</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</topic><topic>SURFACE TREATMENT OF GLASS</topic><toplevel>online_resources</toplevel><creatorcontrib>BIDDULPH, R. BRUCE</creatorcontrib><creatorcontrib>MAYLOR, RICHARD C</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BIDDULPH, R. BRUCE</au><au>MAYLOR, RICHARD C</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Lead and arsenic free, solarization resistant glass</title><date>1996-10-02</date><risdate>1996</risdate><abstract>An electric arc discharge lamp having an arc discharge light source which emits both visible light radiation and UV radiation enclosed within an anti-solarization borosilicate glass envelope which is lead and arsenic free and having a transmission of greater than 90% at a wave length of 425 nm and a transmission of not more than 40% of said UV radiation at 320 nm; 8% of said UV radiation at 300 nm; and 0.5% of said UV radiation at 290 nm; said borosilicate glass comprising, in weight percent: from about 3.89% Na2O; about 1.5% K2O; about 0.15% Li2O; about 17% B2O3; about 1.4% Al2O3; about 0.6% CaO; about 0.35% MgO; about 0.15% CeO2; from about 0.075% to about 0.30% SnO2; and the balance SiO2. Also, a glass having the above composition.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
| title | Lead and arsenic free, solarization resistant glass |
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