CA2340412A1 - Lead-free glasses - Google Patents

Lead-free glasses Download PDF

Info

Publication number
CA2340412A1
CA2340412A1 CA002340412A CA2340412A CA2340412A1 CA 2340412 A1 CA2340412 A1 CA 2340412A1 CA 002340412 A CA002340412 A CA 002340412A CA 2340412 A CA2340412 A CA 2340412A CA 2340412 A1 CA2340412 A1 CA 2340412A1
Authority
CA
Canada
Prior art keywords
glass
li2o
na2o
accordance
al2o3
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002340412A
Other languages
English (en)
French (fr)
Inventor
Jeffrey T. Kohli
George B. Hares
James E. Webb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2340412A1 publication Critical patent/CA2340412A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0028—Compositions for glass with special properties for crystal glass, e.g. lead-free crystal glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Glass Compositions (AREA)
CA002340412A 1998-08-14 1999-07-16 Lead-free glasses Abandoned CA2340412A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9655898P 1998-08-14 1998-08-14
US60/096,558 1998-08-14
PCT/US1999/016106 WO2000009456A1 (en) 1998-08-14 1999-07-16 Lead-free glasses

Publications (1)

Publication Number Publication Date
CA2340412A1 true CA2340412A1 (en) 2000-02-24

Family

ID=22257932

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002340412A Abandoned CA2340412A1 (en) 1998-08-14 1999-07-16 Lead-free glasses

Country Status (6)

Country Link
US (1) US6184166B1 (enExample)
EP (1) EP1137606A4 (enExample)
JP (1) JP2002522346A (enExample)
CN (1) CN1312778A (enExample)
CA (1) CA2340412A1 (enExample)
WO (1) WO2000009456A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4474724B2 (ja) * 1999-05-24 2010-06-09 株式会社デンソー 無鉛釉薬及びスパークプラグ
DE19958522B4 (de) * 1999-12-04 2004-04-08 Schott Glas Zinkhaltige optische Gläser
DE10245987B3 (de) * 2002-10-02 2004-05-06 Schott Glas Optische Stufenfasern aus Mehrkomponentengläsern
BR0300042A (pt) * 2003-01-14 2004-10-13 Cbmm Sa Composições de vidro para a produção de peças de vidro isentas de chumbo
AT414310B (de) 2004-03-19 2007-01-15 Swarovski & Co Blei- und bariumfreies kristallglas
DE602006021235D1 (de) 2006-05-19 2011-05-19 Toyo Sasaki Glass Co Ltd Kristallglasgegenstand
ITFI20070291A1 (it) 2007-12-28 2009-06-29 Rcr Cristalleria Italiana S P "vetro sonoro superiore senza piombo ad alta trasparenza ed alta brillantezza adatto per fusioni elettriche a coperta fredda con elettrodi in ossido di stagno"
US7989373B2 (en) * 2009-06-30 2011-08-02 Corning Incorporated Hermetic sealing material
GB201108052D0 (en) * 2011-05-13 2011-06-29 Nazeing Glass Works Ltd Non-toxic crystal glass
CN104891811A (zh) * 2015-05-29 2015-09-09 成都光明光电股份有限公司 晶质玻璃

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913345A (en) 1954-12-20 1959-11-17 Pittsburgh Plate Glass Co Ophthalmic glass
US3148073A (en) 1961-05-08 1964-09-08 Pittsburgh Plate Glass Co Ophthalmic glasses for use in welders' goggles
DE1596844B1 (de) 1966-11-25 1970-10-29 Jenaer Glaswerk Schott & Gen Verfahren zur Herstellung eines Absorptionssteilkantenfilters fuer den Wellenlaengenbereich von 380 bis 475 nm bei einem Reintransmissionsgrad von 0.80
DE2621741C3 (de) 1976-05-15 1979-06-28 Jenaer Glaswerk Schott & Gen., 6500 Mainz Cadmiumhaltige Gläser für Filter mit Absorptionsteilkanten im Wellenlängenbereich &lgr
US4297141A (en) 1978-09-05 1981-10-27 Sumita Optical Glass Manufacturing Co., Ltd. Optical glass for optical paths
JPS5722139A (en) * 1980-07-10 1982-02-05 Nippon Sheet Glass Co Ltd Glass composition for preparation of optical element
JPS60122747A (ja) * 1983-12-01 1985-07-01 Ohara Inc 光学ガラス
US4970178A (en) * 1986-11-03 1990-11-13 Ciba-Geigy Corporation Lead-free glass frit compositions
JPH01239036A (ja) * 1988-03-16 1989-09-25 F G K:Kk 高強度ガラス
ATE92901T1 (de) * 1992-02-19 1993-08-15 Baccarat Cristalleries Bleifreie kristallglaszusammensetzung.
US5270269A (en) 1992-06-08 1993-12-14 Corning Incorporated Lead-free fine crystal glassware
JP2906104B2 (ja) * 1992-10-20 1999-06-14 東洋ガラス 株式会社 鉛を含まないクリスタルなガラス組成物
FR2713622B1 (fr) * 1993-12-10 1996-03-01 Corning Vitro Corp Verres ne contenant pas de plomb et présentant les caractéristiques du cristal.
IT1268814B1 (it) * 1994-12-13 1997-03-06 Calp Spa Miscela vetrificabile per vetri di qualita'
JP2881573B2 (ja) * 1996-06-07 1999-04-12 東洋ガラス株式会社 鉛を含まないクリスタルなガラス組成物の製造方法
TW402579B (en) * 1996-06-07 2000-08-21 Toyo Glass K K Production method for lead- free crystal glass composition

Also Published As

Publication number Publication date
WO2000009456A1 (en) 2000-02-24
CN1312778A (zh) 2001-09-12
EP1137606A4 (en) 2004-03-24
US6184166B1 (en) 2001-02-06
EP1137606A1 (en) 2001-10-04
JP2002522346A (ja) 2002-07-23

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued