BE823467Q - Perfectionnements aux verres photosensibles - Google Patents
Perfectionnements aux verres photosensiblesInfo
- Publication number
- BE823467Q BE823467Q BE151603A BE151603A BE823467Q BE 823467 Q BE823467 Q BE 823467Q BE 151603 A BE151603 A BE 151603A BE 151603 A BE151603 A BE 151603A BE 823467 Q BE823467 Q BE 823467Q
- Authority
- BE
- Belgium
- Prior art keywords
- lenses
- photosensitive
- photosensitive lenses
- Prior art date
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
-
- 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S501/00—Compositions: ceramic
- Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
- Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70
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)
- Glass Compositions (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3265371 | 1971-07-12 | ||
GB816872*[A GB1367903A (en) | 1971-07-12 | 1972-02-22 | Photochromic glasses |
GB1510172 | 1972-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE823467Q true BE823467Q (fr) | 1975-04-16 |
Family
ID=27255158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE151603A BE823467Q (fr) | 1971-07-12 | 1974-12-17 | Perfectionnements aux verres photosensibles |
Country Status (9)
Country | Link |
---|---|
US (1) | US3876436A (fr) |
JP (1) | JPS5210131B1 (fr) |
BE (1) | BE823467Q (fr) |
CA (1) | CA981704A (fr) |
DD (1) | DD100696A5 (fr) |
FR (1) | FR2145624B1 (fr) |
GB (1) | GB1367903A (fr) |
MY (1) | MY7500122A (fr) |
NL (1) | NL152525B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108674A (en) * | 1974-02-01 | 1978-08-22 | Jenaer Glaswerk Schott & Gen. | Phototropic optical glass |
US3957498A (en) * | 1975-07-16 | 1976-05-18 | Corning Glass Works | Boron-free silver halide photochromic glasses |
GB1540471A (en) | 1976-01-30 | 1979-02-14 | Pilkington Brothers Ltd | Photochromic glasses |
US4092174A (en) * | 1976-01-30 | 1978-05-30 | Pilkington Brothers Limited | Photochromic glasses |
US4076542A (en) * | 1976-06-04 | 1978-02-28 | American Optical Corporation | Process for producing photochromic silicate glass film containing silver halide particles |
US4092139A (en) * | 1977-03-16 | 1978-05-30 | Corning Glass Works | Process for making colored photosensitive glass |
BR8004828A (pt) | 1979-08-09 | 1981-02-10 | Pilkington Brothers Ltd | Processo para produzir um vidro fotocromico e vidro fotocromico obtido |
JPS608985B2 (ja) * | 1979-08-10 | 1985-03-07 | 富士写真フイルム株式会社 | 結晶化ガラスおよびその製造方法 |
US4304584A (en) * | 1980-04-28 | 1981-12-08 | Corning Glass Works | Method for making polarizing glasses by extrusion |
US4282022A (en) * | 1980-04-28 | 1981-08-04 | Corning Glass Works | Method for making polarizing glasses through extrusion |
DE3204625C2 (de) * | 1982-02-10 | 1986-07-10 | Schott Glaswerke, 6500 Mainz | Alumosilico-Phosphat-Brillenglas mit einer Abbezahl über 46, mit einem Brechungsindex über 1,56 und einer sehr niedrigen Dichte |
JP2518749B2 (ja) * | 1991-07-11 | 1996-07-31 | 五鈴精工硝子株式会社 | 着色ガラス |
US9346703B2 (en) | 2010-11-30 | 2016-05-24 | Corning Incorporated | Ion exchangable glass with deep compressive layer and high damage threshold |
US8765262B2 (en) | 2011-11-16 | 2014-07-01 | Corning Incorporated | Ion exchangeable glass with high crack initiation threshold |
US20150144828A1 (en) * | 2012-05-28 | 2015-05-28 | Nichias Corporation | Si-Mg-BASED INORGANIC FIBERS AND COMPOSITION CONTAINING THE SAME |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2532386A (en) * | 1949-09-27 | 1950-12-05 | Corning Glass Works | Colored phosphate glass |
US3208860A (en) * | 1962-07-31 | 1965-09-28 | Corning Glass Works | Phototropic material and article made therefrom |
US3374381A (en) * | 1965-05-03 | 1968-03-19 | Owens Illinois Inc | Multi-color photoluminescent glass systems |
US3419370A (en) * | 1965-11-22 | 1968-12-31 | Corning Glass Works | Method of producing a photochromic glass and resulting article |
US3615761A (en) * | 1968-01-31 | 1971-10-26 | Ppg Industries Inc | Phototropic articles containing thallous halide |
US3656923A (en) * | 1968-05-27 | 1972-04-18 | Corning Glass Works | Method for strengthening photochromic glass articles |
US3703388A (en) * | 1970-08-19 | 1972-11-21 | Corning Glass Works | High refractive index photochromic glasses |
-
1972
- 1972-02-22 GB GB816872*[A patent/GB1367903A/en not_active Expired
- 1972-07-05 CA CA146,404A patent/CA981704A/en not_active Expired
- 1972-07-11 DD DD164445A patent/DD100696A5/xx unknown
- 1972-07-12 US US271091A patent/US3876436A/en not_active Expired - Lifetime
- 1972-07-12 FR FR7225232A patent/FR2145624B1/fr not_active Expired
- 1972-07-12 JP JP47069208A patent/JPS5210131B1/ja active Pending
- 1972-07-12 NL NL727209642A patent/NL152525B/xx not_active IP Right Cessation
-
1974
- 1974-12-17 BE BE151603A patent/BE823467Q/fr not_active IP Right Cessation
-
1975
- 1975-12-31 MY MY1975122A patent/MY7500122A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7209642A (fr) | 1973-01-16 |
GB1367903A (en) | 1974-09-25 |
NL152525B (nl) | 1977-03-15 |
MY7500122A (en) | 1975-12-31 |
FR2145624B1 (fr) | 1976-01-16 |
DE2234283B2 (de) | 1976-12-09 |
US3876436A (en) | 1975-04-08 |
CA981704A (en) | 1976-01-13 |
DD100696A5 (fr) | 1973-10-05 |
JPS5210131B1 (fr) | 1977-03-22 |
DE2234283A1 (de) | 1973-02-08 |
FR2145624A1 (fr) | 1973-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: PILKINGTON BROTHERS LTD Effective date: 19851231 |