ZA762173B - American optical corp photochromic gradient lenses - Google Patents

American optical corp photochromic gradient lenses

Info

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
Application number
ZA762173A
Inventor
D Krohn
E Deeg
Original Assignee
D Krohn
E Deeg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by D Krohn, E Deeg filed Critical D Krohn
Publication of ZA762173B publication Critical patent/ZA762173B/en

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
    • 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

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (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)
ZA762173A 1975-10-22 1976-04-12 American optical corp photochromic gradient lenses ZA762173B (en)

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)

Country Link
JP (1) JPS595538B2 (en)
BE (1) BE841167A (en)
BR (1) BR7604007A (en)
CA (1) CA1061618A (en)
DE (1) DE2617665A1 (en)
ES (1) ES450600A1 (en)
FR (1) FR2328668A1 (en)
GB (1) GB1548744A (en)
IT (1) IT1058165B (en)
MX (1) MX143311A (en)
NL (1) NL182395C (en)
SE (1) SE425032B (en)
ZA (1) ZA762173B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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 (en) * 1990-04-17 1992-01-09
JP2003231413A (en) * 2002-07-22 2003-08-19 Akiyoshi Sugimoto Car
FR2923917B1 (en) * 2007-11-16 2010-11-26 Christian Dalloz Sunoptics NOVEL TRANSPARENT OPTICAL SUBSTRATE, ITS OBTAINING METHOD AND ITS APPLICATION AS EYE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2617665A1 (en) 1977-04-28
CA1061618A (en) 1979-09-04
DE2617665C2 (en) 1987-01-22
FR2328668A1 (en) 1977-05-20
IT1058165B (en) 1982-04-10
FR2328668B1 (en) 1979-04-20
JPS595538B2 (en) 1984-02-06
NL182395B (en) 1987-10-01
GB1548744A (en) 1979-07-18
JPS5251412A (en) 1977-04-25
BE841167A (en) 1976-08-16
SE425032B (en) 1982-08-23
NL182395C (en) 1988-03-01
MX143311A (en) 1981-04-14
BR7604007A (en) 1977-06-28
SE7604520L (en) 1977-04-23
NL7605399A (en) 1977-04-26
ES450600A1 (en) 1978-01-16

Similar Documents

Publication Publication Date Title
GB1557880A (en) Glass for eye glass lens
HK16379A (en) Optical fibre assemblies
JPS5263350A (en) Optical fiber
JPS5226238A (en) Chemically reinforced glass lens for spectacles
JPS5215510A (en) Optical glass
AU508486B2 (en) Preparation of photochromic gradient lenses
GB1538683A (en) Optical glass
JPS5255639A (en) Telephoto lens
JPS52133227A (en) Auxiliary lens for spectacles
JPS529012A (en) Glass for lens of eyeglass
JPS51123653A (en) Optical observer
JPS53109514A (en) Glass for spectacle lens
JPS52103412A (en) Optical glass
GB1540471A (en) Photochromic glasses
JPS5263920A (en) Optical glass
JPS5263211A (en) Optical glass
JPS5284211A (en) Optical glass
ZA762173B (en) American optical corp photochromic gradient lenses
AU505127B2 (en) Photochromic gradient lens
JPS522448A (en) Lens for spectacles
JPS5372027A (en) Hazeeproof glass for spectacle
AU1581876A (en) Optical fibre
JPS51128190A (en) Ophthalmic optical device
JPS5224544A (en) Goggles lens
JPS51142010A (en) Glass for lens of eye glass