CA2239861A1 - Alkali silicate glass - Google Patents
Alkali silicate glassInfo
- Publication number
- CA2239861A1 CA2239861A1 CA002239861A CA2239861A CA2239861A1 CA 2239861 A1 CA2239861 A1 CA 2239861A1 CA 002239861 A CA002239861 A CA 002239861A CA 2239861 A CA2239861 A CA 2239861A CA 2239861 A1 CA2239861 A1 CA 2239861A1
- Authority
- CA
- Canada
- Prior art keywords
- alkali silicate
- component
- following components
- silicate glass
- contain
- 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.)
- Granted
Links
- 229910052910 alkali metal silicate Inorganic materials 0.000 title abstract 3
- 239000005368 silicate glass Substances 0.000 title abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
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
- C03C4/00—Compositions for glass with special properties
- C03C4/0007—Compositions for glass with special properties for biologically-compatible glass
- C03C4/0021—Compositions for glass with special properties for biologically-compatible glass for dental use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/70—Preparations for dentistry comprising inorganic additives
- A61K6/71—Fillers
- A61K6/74—Fillers comprising phosphorus-containing compounds
- A61K6/75—Apatite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
- A61K6/807—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising magnesium oxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
- A61K6/816—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising titanium oxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
- A61K6/818—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising zirconium oxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
- A61K6/822—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising rare earth metal oxides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
- A61K6/833—Glass-ceramic composites
-
- 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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/16—Halogen containing crystalline phase
-
- 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
-
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- 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
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- 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
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- 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
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
- C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
- C03C3/115—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron
- C03C3/118—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron containing aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Dispersion Chemistry (AREA)
- Molecular Biology (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Glass Compositions (AREA)
- Dental Preparations (AREA)
- Dental Prosthetics (AREA)
Abstract
Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the production of all-ceramic dental restorations such as crowns or bridges. The alkali silicate glasses each contain the following components:
Component Wt. %
SiO2 55.0 to 71.0 Al2O3 5.0 to 16.0 B2O3 0.2 to 10.0 K2O 4.5 to 10.0 Na2O 3.0 to 14.0 A preferred form of these glasses contain at least one of the following components:
Component Wt.%
CaO 0 to 3.0 F 0 to 3.0 P2O5 0 to 0.6 Li2O 0 to 4.0 BaO 0 to 5.0 ZnO 0 to 4.0 TiO2+Zro2 0.2 to 5.0 CeO2 0 to 2.0
Component Wt. %
SiO2 55.0 to 71.0 Al2O3 5.0 to 16.0 B2O3 0.2 to 10.0 K2O 4.5 to 10.0 Na2O 3.0 to 14.0 A preferred form of these glasses contain at least one of the following components:
Component Wt.%
CaO 0 to 3.0 F 0 to 3.0 P2O5 0 to 0.6 Li2O 0 to 4.0 BaO 0 to 5.0 ZnO 0 to 4.0 TiO2+Zro2 0.2 to 5.0 CeO2 0 to 2.0
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19725552A DE19725552A1 (en) | 1997-06-12 | 1997-06-12 | Alkali silicate glass |
DE19725552.3 | 1997-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2239861A1 true CA2239861A1 (en) | 1998-12-12 |
CA2239861C CA2239861C (en) | 2002-11-12 |
Family
ID=7832716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002239861A Expired - Fee Related CA2239861C (en) | 1997-06-12 | 1998-06-08 | Alkali silicate glass |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0885606B1 (en) |
JP (1) | JP2983961B2 (en) |
AT (1) | ATE245964T1 (en) |
CA (1) | CA2239861C (en) |
DE (2) | DE19725552A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6554615B1 (en) * | 1999-07-02 | 2003-04-29 | Pentron Laboratory Technologies, Llc | Porcelain compositions for low expansion all-porcelain cores and alloys |
US8394515B2 (en) | 2009-02-24 | 2013-03-12 | Ohara Inc. | Glass substrate for information recording medium and method for producing the same |
EP3162353A4 (en) * | 2014-06-30 | 2018-02-07 | GC Corporation | Fluoroaluminosilicate glass powder |
US10766807B2 (en) | 2015-02-28 | 2020-09-08 | Schott Glass Technologies (Suzhou) Co. Ltd. | Machinable and chemically toughenable fluorine glass-ceramic |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6420288B2 (en) | 1997-11-10 | 2002-07-16 | Ivoclar Ag | Process for the preparation of shaped translucent lithium disilicate glass ceramic products |
DE19750794A1 (en) * | 1997-11-10 | 1999-06-17 | Ivoclar Ag | Process for the preparation of shaped translucent lithium disilicate glass-ceramic products |
US6187701B1 (en) * | 1998-05-29 | 2001-02-13 | Tokuyama Corporation | Dental porcelain |
DE19939771B4 (en) | 1999-08-21 | 2004-04-15 | Schott Glas | Process for refining glass melts |
AU2473601A (en) * | 2000-01-05 | 2001-07-16 | Schott Glass Technologies, Inc. | Glass substrates for magnetic media and magnetic media based on such glass substrates |
DE10031431B4 (en) * | 2000-06-28 | 2008-03-13 | Ivoclar Vivadent Ag | Deep-sintering potassium-zinc-silicate glass and its use |
DE10031430A1 (en) * | 2000-06-28 | 2002-01-17 | Ivoclar Vivadent Ag | Deep-sintered apatite glass-ceramic |
JP2002087896A (en) * | 2000-09-12 | 2002-03-27 | Mitsubishi Heavy Ind Ltd | Self-repairing high heat resistant and oxidation resistant coating film, and laminated body |
DE10133963B4 (en) * | 2001-07-17 | 2006-12-28 | Schott Ag | Boroalkali silicate glass and its uses |
EP1396237A1 (en) * | 2002-09-05 | 2004-03-10 | Elephant Dental B.V. | Strengthened ceramic restoration |
DE10340597B4 (en) * | 2003-09-01 | 2007-11-08 | Ivoclar Vivadent Ag | Translucent and radio-opaque glass ceramics, process for their preparation and their use |
JP2007516932A (en) * | 2003-12-30 | 2007-06-28 | コーニング インコーポレイテッド | High strain point glass |
DE102004010138B4 (en) * | 2004-02-27 | 2006-04-06 | Heraeus Kulzer Gmbh | Reinforced, pressable ceramic compositions for dental purposes |
DE102004013455B3 (en) * | 2004-03-18 | 2005-09-08 | Ivoclar Vivadent Ag | Apatite glass-ceramic useful for making dental materials comprises a glass phase and a phosphate- and fluorine-free silicate-based oxyapatite phase |
DE102005026269A1 (en) * | 2005-06-08 | 2006-12-14 | Ivoclar Vivadent Ag | Dental glass-ceramics |
ATE508728T1 (en) | 2006-09-29 | 2011-05-15 | Ivoclar Vivadent Ag | GLASS FOR DENTAL APPLICATIONS |
DE102009008951B4 (en) | 2009-02-13 | 2011-01-20 | Schott Ag | X-ray opaque barium-free glass and its use |
DE102009008954B4 (en) | 2009-02-13 | 2010-12-23 | Schott Ag | X-ray opaque barium-free glass and its use |
DE102009008953B4 (en) | 2009-02-13 | 2010-12-30 | Schott Ag | X-ray opaque barium-free glass and its use |
DE102010007796B3 (en) * | 2010-02-12 | 2011-04-14 | Schott Ag | X-ray opaque barium-free glass and its use |
DK2377830T3 (en) | 2010-04-16 | 2016-07-18 | Ivoclar Vivadent Ag | Lithium silicate glass ceramics and glass with transition metal. |
DE102010035545A1 (en) | 2010-08-24 | 2012-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Veneering ceramics for dental restorations made of yttrium-stabilized zirconium dioxide and methods for their application |
DE102011084501B3 (en) * | 2011-10-14 | 2013-03-21 | Schott Ag | X-ray opaque barium-free glass and its use |
CN104108872B (en) * | 2013-04-18 | 2019-09-17 | 成都光明光电股份有限公司 | Environmental protection optical glass, gas preform, optical element and optical instrument |
US11136260B2 (en) | 2016-07-29 | 2021-10-05 | Schott Ag | Radiopaque glass and use thereof |
US10301212B2 (en) | 2016-07-29 | 2019-05-28 | Schott Ag | Radiopaque glass and uses thereof |
WO2018102172A1 (en) * | 2016-11-30 | 2018-06-07 | Corning Incorporated | Fusion-formable automotive glass compositions, articles, and laminates |
JP7129782B2 (en) * | 2018-01-26 | 2022-09-02 | 株式会社松風 | Low-melting-point glass composition with excellent water resistance |
DE102018010246B4 (en) | 2018-02-01 | 2024-05-16 | Schott Ag | X-ray opaque glass and its use |
DE102018102301B4 (en) | 2018-02-01 | 2019-08-14 | Schott Ag | X-ray opaque glass and its use |
EP3696150A1 (en) | 2019-02-14 | 2020-08-19 | Ivoclar Vivadent AG | Fluorescent glass ceramics and glasses containing europium |
EP3696149A1 (en) | 2019-02-14 | 2020-08-19 | Ivoclar Vivadent AG | Fluorescent glass ceramics and glasses containing cerium and tin |
CN110592578A (en) * | 2019-09-05 | 2019-12-20 | 华庚新材料科技(嘉兴)有限公司 | Composite material |
CN110699685A (en) * | 2019-09-05 | 2020-01-17 | 华庚新材料科技(嘉兴)有限公司 | Method for producing composite material |
CN114853337B (en) * | 2022-06-22 | 2023-08-25 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element, and optical instrument |
EP4527809A1 (en) | 2023-09-20 | 2025-03-26 | Ivoclar Vivadent AG | Fluorescent glass with high content of cerium and tin |
EP4527808A1 (en) | 2023-09-20 | 2025-03-26 | Ivoclar Vivadent AG | Fluorescent glasses and glass ceramics with high content of cerium and tin |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4249946A (en) * | 1979-11-02 | 1981-02-10 | Corning Glass Works | Detergent-durable glasses |
EP0240643A1 (en) * | 1986-04-11 | 1987-10-14 | Tyszblat Sadoun, Michèle | Method for producing dental prosthesis |
JPH01212248A (en) * | 1988-02-20 | 1989-08-25 | Nippon Electric Glass Co Ltd | Glaze composition for artificial tooth |
US5232878A (en) * | 1989-06-30 | 1993-08-03 | Hoya Corporation | Process for producing inorganic biomaterial |
DE4428839C2 (en) * | 1994-08-01 | 1997-01-23 | Ivoclar Ag | Alkali-zinc-silicate glass-ceramics and glasses and process for producing the glass-ceramics |
EP0827941B1 (en) * | 1996-09-05 | 1999-11-03 | Ivoclar Ag | Sinterable lithium disilicate glass-ceramics |
-
1997
- 1997-06-12 DE DE19725552A patent/DE19725552A1/en not_active Ceased
-
1998
- 1998-05-28 EP EP98250188A patent/EP0885606B1/en not_active Expired - Lifetime
- 1998-05-28 AT AT98250188T patent/ATE245964T1/en not_active IP Right Cessation
- 1998-05-28 DE DE59809132T patent/DE59809132D1/en not_active Expired - Lifetime
- 1998-06-08 CA CA002239861A patent/CA2239861C/en not_active Expired - Fee Related
- 1998-06-12 JP JP10165739A patent/JP2983961B2/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6554615B1 (en) * | 1999-07-02 | 2003-04-29 | Pentron Laboratory Technologies, Llc | Porcelain compositions for low expansion all-porcelain cores and alloys |
US8394515B2 (en) | 2009-02-24 | 2013-03-12 | Ohara Inc. | Glass substrate for information recording medium and method for producing the same |
EP3162353A4 (en) * | 2014-06-30 | 2018-02-07 | GC Corporation | Fluoroaluminosilicate glass powder |
US9937107B2 (en) | 2014-06-30 | 2018-04-10 | Gc Corporation | Fluoroaluminosilicate glass powder |
US10766807B2 (en) | 2015-02-28 | 2020-09-08 | Schott Glass Technologies (Suzhou) Co. Ltd. | Machinable and chemically toughenable fluorine glass-ceramic |
Also Published As
Publication number | Publication date |
---|---|
ATE245964T1 (en) | 2003-08-15 |
DE59809132D1 (en) | 2003-09-04 |
JPH1121145A (en) | 1999-01-26 |
EP0885606B1 (en) | 2003-07-30 |
JP2983961B2 (en) | 1999-11-29 |
DE19725552A1 (en) | 1998-12-24 |
EP0885606A2 (en) | 1998-12-23 |
CA2239861C (en) | 2002-11-12 |
EP0885606A3 (en) | 1999-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |