ES2059200T3 - Composiciones de cristal sin plomo. - Google Patents
Composiciones de cristal sin plomo.Info
- Publication number
- ES2059200T3 ES2059200T3 ES92440024T ES92440024T ES2059200T3 ES 2059200 T3 ES2059200 T3 ES 2059200T3 ES 92440024 T ES92440024 T ES 92440024T ES 92440024 T ES92440024 T ES 92440024T ES 2059200 T3 ES2059200 T3 ES 2059200T3
- Authority
- ES
- Spain
- Prior art keywords
- oxide
- sro
- cao
- lead
- zno
- 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.)
- Expired - Lifetime
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)
- Liquid Crystal Substances (AREA)
Abstract
COMPOSICION DE VIDRIO QUE POSEE LAS PROPIEDADES CARACTERISTICAS DEL CRISTAL, A SABER UNA DENSIDAD DE AL MENOS 2,90, UN INDICE DE REFRACCION DE AL MENOS 1.545, ASI COMO UNA SONORIDAD CARACTERISTICA Y UNA CLARIDAD ELEVADA, PERO QUE NO CONTIENE NINGUN ELEMENTO TOXICO Y PARTICULARMENTE NI PLOMO NI BARIO, CARACTERIZADO EN QUE CONTIENE EN PORCENTAJE, EN PESO: 53,0 A 58,0 DE SILICE DE POTASIO K2O 4,5 A 7,5 DE OXIDO DE SODIO NA2= 0,0 A 9,0 DE OXIDO DE CALCIO CAO 0,0 A 12,0 DE OXIDO DE ESTRONCIO SRO 16,0 A 21,0 DE OXIDO DE ZINC ZNO 0,5 A 1,5 DE OXIDO DE ANTIMONIO SB2O3 0,0 A 1,5 DE OXIDO DE ALUMINIO AL2O3 0,0 A 2,5 DE OXIDO DE ESTAÑO SNO2 0,0 A 1,2 DE OXIDO DE BORO B2O3 0,0 A 3,0 DE OXIDO DE LANTANO LA2O3 0,0 A 2,0 DE OXIDO DE TITANIO TIO2 0,0 A 0,3 DE OXIDO DE LITIO LI2O ESTANDO LA SUMA DE LOS OXIDOS DE CALCIO, DE ESTRONCIO Y DE ZINC COMPRENDIDA ENTRE 26,5 Y 31%, CON COMO CONDICIONES SUPLEMENTARIAS: DE IR HASTA 9 NDIDO ENTRE 0 Y EL COMPLEMENTO A 31, DISMINUIDO DE SRO + ZNO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92440024A EP0553586B1 (fr) | 1992-02-19 | 1992-02-19 | Compositions de cristal sans plomb |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2059200T3 true ES2059200T3 (es) | 1994-11-01 |
Family
ID=8211756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92440024T Expired - Lifetime ES2059200T3 (es) | 1992-02-19 | 1992-02-19 | Composiciones de cristal sin plomo. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0553586B1 (es) |
AT (1) | ATE92901T1 (es) |
AU (1) | AU3635293A (es) |
DE (1) | DE69200011T2 (es) |
DK (1) | DK0553586T3 (es) |
ES (1) | ES2059200T3 (es) |
WO (1) | WO1993016964A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ279603B6 (cs) * | 1993-11-03 | 1995-05-17 | Vysoká Škola Chemicko-Technologická | Křišťálové bezolovnaté sklo s indexem lomu vyšším než 1,52 |
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' |
EP1137606A4 (en) * | 1998-08-14 | 2004-03-24 | Corning Inc | LEAD FREE GLASSES |
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 |
SK285523B6 (sk) * | 2004-10-19 | 2007-03-01 | Rona, A. S. | Krištáľové sklo bez olova, bária, nióbu a ich zlúčenín a spôsob prípravy |
WO2007135752A1 (ja) * | 2006-05-19 | 2007-11-29 | Toyo-Sasaki Glass Co., Ltd. | クリスタルガラス物品 |
CZ2011176A3 (cs) * | 2011-03-30 | 2012-04-11 | Vysoká škola chemicko-technologická v Praze | Krištálové bezolovnaté a bezbarnaté sklo, s obsahem oxidu lanthanu a niobu |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1050965B (es) * | 1956-09-10 | 1959-02-19 | ||
AT346006B (de) * | 1977-01-12 | 1978-10-25 | Corning Glass Works | Verfahren zur herstellung von fuer optische zwecke geeigneten glaskoerpern |
-
1992
- 1992-02-19 DK DK92440024.5T patent/DK0553586T3/da active
- 1992-02-19 ES ES92440024T patent/ES2059200T3/es not_active Expired - Lifetime
- 1992-02-19 EP EP92440024A patent/EP0553586B1/fr not_active Expired - Lifetime
- 1992-02-19 DE DE92440024T patent/DE69200011T2/de not_active Expired - Fee Related
- 1992-02-19 AT AT92440024T patent/ATE92901T1/de not_active IP Right Cessation
-
1993
- 1993-02-11 WO PCT/FR1993/000146 patent/WO1993016964A1/fr active Search and Examination
- 1993-02-11 AU AU36352/93A patent/AU3635293A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0553586B1 (fr) | 1993-08-11 |
DE69200011D1 (de) | 1993-10-14 |
AU3635293A (en) | 1993-09-13 |
ATE92901T1 (de) | 1993-08-15 |
DE69200011T2 (de) | 1994-03-03 |
DK0553586T3 (da) | 1994-04-18 |
WO1993016964A1 (fr) | 1993-09-02 |
EP0553586A1 (fr) | 1993-08-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PT1074522E (pt) | Vidro de cristal livre de chumbo e de bario | |
KR830005062A (ko) | X-선 고흡수 납제거 유리 조성물 | |
JP2795326B2 (ja) | 光学ガラス | |
KR960703818A (ko) | 유리 섬유 조성물 (Glass-Fiber Composition) | |
KR900000306A (ko) | 무연(lead-free) 유리 프릿 조성물 | |
PT797550E (pt) | Mistura vitrificavel para vidros de qualidade | |
JPS62100449A (ja) | 光学ガラス | |
GB2083016A (en) | Acidproof hydrolysis-resistant optical/and ophthalmic glass of low density | |
ES2153599T3 (es) | Vidrios de alta indice que absorben radiacion uv. | |
HK1016961A1 (en) | Aluminosilicate glass for flat display devices | |
DE59900086D1 (de) | Borosilicatglas hoher chemischer Beständigkeit und dessen Verwendung | |
JPS56169150A (en) | Optical glass | |
JPS594390B2 (ja) | 光学ガラス | |
KR950700220A (ko) | 글레이징 제조용 유리 조성물(Glass compositions for manufacturing glazing) | |
MX9600069A (es) | Lentes oftalmicos incoloros. | |
US2523265A (en) | Ophthalmic glass | |
ES2059200T3 (es) | Composiciones de cristal sin plomo. | |
TW349081B (en) | Copper(II) oxide-containing aluminophosphate glasses | |
GB8333560D0 (en) | Glass for photo-mask | |
GR3017684T3 (en) | Lead-free zinc silicate crystal glass and its use. | |
US2523264A (en) | Ophthalmic glass | |
MY124577A (en) | Lead-free optical barium flint glass | |
US2517459A (en) | Optical glass | |
MY122044A (en) | Lead-free optical light and double-light flint glasses | |
JPS6114095B2 (es) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 553586 Country of ref document: ES |