FR2184805A1 - - Google Patents
Info
- Publication number
- FR2184805A1 FR2184805A1 FR7317342A FR7317342A FR2184805A1 FR 2184805 A1 FR2184805 A1 FR 2184805A1 FR 7317342 A FR7317342 A FR 7317342A FR 7317342 A FR7317342 A FR 7317342A FR 2184805 A1 FR2184805 A1 FR 2184805A1
- Authority
- FR
- France
- 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
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
- C03C4/04—Compositions for glass with special properties for photosensitive glass
- C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722223629 DE2223629C3 (de) | 1972-05-15 | Phototropes Glas, geeignet als Nahteilmaterial zur Verschmelzung mit phototropen Fernteilgläsern auf der Basis eines optischen Glases des Systems SiO tief 2 -B tief 2 0 tief 3 -Al tief 2 0 tief 3 -La tief 2 0 tief 3 -PbO-(ZnO) |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2184805A1 true FR2184805A1 (fr) | 1973-12-28 |
FR2184805B1 FR2184805B1 (fr) | 1978-07-07 |
Family
ID=5844917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7317342A Expired FR2184805B1 (fr) | 1972-05-15 | 1973-05-14 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS549605B2 (fr) |
AT (1) | AT338451B (fr) |
CA (1) | CA1023187A (fr) |
FR (1) | FR2184805B1 (fr) |
GB (1) | GB1419644A (fr) |
IT (1) | IT985902B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2346296A1 (fr) * | 1976-03-31 | 1977-10-28 | Corning Glass Works | Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales |
EP0577067A2 (fr) * | 1992-06-30 | 1994-01-05 | TDK Corporation | Verre, composition diélectrique, substrat à circuits multicouches et condensateur céramique multicouche |
EP2415723A3 (fr) * | 2010-08-05 | 2012-05-30 | Schott North America, Inc. | Système de verre aluminoborosilicate à terres rares |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3117000C2 (de) * | 1981-04-29 | 1986-05-28 | Schott Glaswerke, 6500 Mainz | Phototropes Glas mit einem Brechungsindex ≥ 1,59, einer Abbezahl ≥ 40 und einer Dichte ≦ 3,2 g/cm↑3↑ |
DE3917614C1 (fr) * | 1989-05-31 | 1990-06-07 | Schott Glaswerke, 6500 Mainz, De | |
US20230286855A1 (en) * | 2019-11-14 | 2023-09-14 | Nippon Electric Glass Co., Ltd. | Glass article |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2008809A1 (fr) * | 1968-05-17 | 1970-01-23 | Nippon Sheet Glass Co Ltd | |
FR2104862A1 (en) * | 1970-08-19 | 1972-04-21 | Corning Glass Works | Heat-darkenable photochromic glass - with lanthanum borate glass-phase contg silver halides and copper oxide |
-
1973
- 1973-03-05 AT AT191173A patent/AT338451B/de not_active IP Right Cessation
- 1973-04-04 JP JP3793373A patent/JPS549605B2/ja not_active Expired
- 1973-05-14 IT IT6836973A patent/IT985902B/it active
- 1973-05-14 FR FR7317342A patent/FR2184805B1/fr not_active Expired
- 1973-05-15 CA CA171,363A patent/CA1023187A/fr not_active Expired
- 1973-05-15 GB GB2305973A patent/GB1419644A/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2008809A1 (fr) * | 1968-05-17 | 1970-01-23 | Nippon Sheet Glass Co Ltd | |
FR2104862A1 (en) * | 1970-08-19 | 1972-04-21 | Corning Glass Works | Heat-darkenable photochromic glass - with lanthanum borate glass-phase contg silver halides and copper oxide |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2346296A1 (fr) * | 1976-03-31 | 1977-10-28 | Corning Glass Works | Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales |
EP0577067A2 (fr) * | 1992-06-30 | 1994-01-05 | TDK Corporation | Verre, composition diélectrique, substrat à circuits multicouches et condensateur céramique multicouche |
EP0577067A3 (fr) * | 1992-06-30 | 1995-06-28 | Tdk Corp | Verre, composition diélectrique, substrat à circuits multicouches et condensateur céramique multicouche. |
EP2415723A3 (fr) * | 2010-08-05 | 2012-05-30 | Schott North America, Inc. | Système de verre aluminoborosilicate à terres rares |
US8361917B2 (en) | 2010-08-05 | 2013-01-29 | Schott Corporation | Rare earth aluminoborosilicate glass composition |
Also Published As
Publication number | Publication date |
---|---|
IT985902B (it) | 1974-12-30 |
GB1419644A (en) | 1975-12-31 |
DE2223629B2 (de) | 1975-12-04 |
JPS549605B2 (fr) | 1979-04-26 |
AT338451B (de) | 1977-08-25 |
JPS4926314A (fr) | 1974-03-08 |
FR2184805B1 (fr) | 1978-07-07 |
CA1023187A (fr) | 1977-12-27 |
ATA191173A (de) | 1976-12-15 |
DE2223629A1 (de) | 1973-12-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |