ZA762173B - American optical corp photochromic gradient lenses - Google Patents
American optical corp photochromic gradient lensesInfo
- Publication number
- ZA762173B ZA762173B ZA762173A ZA762173A ZA762173B ZA 762173 B ZA762173 B ZA 762173B ZA 762173 A ZA762173 A ZA 762173A ZA 762173 A ZA762173 A ZA 762173A ZA 762173 B ZA762173 B ZA 762173B
- Authority
- ZA
- South Africa
- Prior art keywords
- american optical
- gradient lenses
- optical corp
- photochromic gradient
- photochromic
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 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
- C03C4/04—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
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/102—Photochromic filters
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Eyeglasses (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Surface Treatment Of Glass (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62468875A | 1975-10-22 | 1975-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA762173B true ZA762173B (en) | 1977-04-27 |
Family
ID=24502936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA762173A ZA762173B (en) | 1975-10-22 | 1976-04-12 | American optical corp photochromic gradient lenses |
Country Status (13)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160655A (en) * | 1977-12-19 | 1979-07-10 | Corning Glass Works | Process for making gradient photochromic glass articles |
| JPH041837U (enrdf_load_html_response) * | 1990-04-17 | 1992-01-09 | ||
| JP2003231413A (ja) * | 2002-07-22 | 2003-08-19 | Akiyoshi Sugimoto | 自動車 |
| FR2923917B1 (fr) * | 2007-11-16 | 2010-11-26 | Christian Dalloz Sunoptics | Nouveau substrat optique transparent,son procede d'obtention et son application comme oculaire |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2770922A (en) * | 1952-05-19 | 1956-11-20 | Pittsburgh Plate Glass Co | Radiation colorable chromium glass |
| US3419370A (en) * | 1965-11-22 | 1968-12-31 | Corning Glass Works | Method of producing a photochromic glass and resulting article |
-
1976
- 1976-04-12 ZA ZA762173A patent/ZA762173B/xx unknown
- 1976-04-20 IT IT49092/76A patent/IT1058165B/it active
- 1976-04-20 SE SE7604520A patent/SE425032B/xx not_active IP Right Cessation
- 1976-04-22 DE DE2617665A patent/DE2617665C2/de not_active Expired
- 1976-04-26 CA CA251,044A patent/CA1061618A/en not_active Expired
- 1976-04-27 BE BE166487A patent/BE841167A/xx not_active IP Right Cessation
- 1976-04-28 GB GB17372/76A patent/GB1548744A/en not_active Expired
- 1976-04-28 JP JP51047928A patent/JPS595538B2/ja not_active Expired
- 1976-05-03 MX MX164537A patent/MX143311A/es unknown
- 1976-05-04 FR FR7613214A patent/FR2328668A1/fr active Granted
- 1976-05-20 NL NLAANVRAGE7605399,A patent/NL182395C/xx not_active IP Right Cessation
- 1976-06-22 BR BR7604007A patent/BR7604007A/pt unknown
- 1976-08-10 ES ES450600A patent/ES450600A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE425032B (sv) | 1982-08-23 |
| FR2328668A1 (fr) | 1977-05-20 |
| JPS5251412A (en) | 1977-04-25 |
| DE2617665C2 (de) | 1987-01-22 |
| NL7605399A (nl) | 1977-04-26 |
| BR7604007A (pt) | 1977-06-28 |
| NL182395B (nl) | 1987-10-01 |
| IT1058165B (it) | 1982-04-10 |
| BE841167A (fr) | 1976-08-16 |
| ES450600A1 (es) | 1978-01-16 |
| FR2328668B1 (enrdf_load_html_response) | 1979-04-20 |
| GB1548744A (en) | 1979-07-18 |
| JPS595538B2 (ja) | 1984-02-06 |
| CA1061618A (en) | 1979-09-04 |
| SE7604520L (sv) | 1977-04-23 |
| DE2617665A1 (de) | 1977-04-28 |
| NL182395C (nl) | 1988-03-01 |
| MX143311A (es) | 1981-04-14 |
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