BE853351A - Procede de fabrication d'une lentille ophtalmique photochromique a gradient - Google Patents

Procede de fabrication d'une lentille ophtalmique photochromique a gradient

Info

Publication number
BE853351A
BE853351A BE176507A BE176507A BE853351A BE 853351 A BE853351 A BE 853351A BE 176507 A BE176507 A BE 176507A BE 176507 A BE176507 A BE 176507A BE 853351 A BE853351 A BE 853351A
Authority
BE
Belgium
Prior art keywords
manufacturing
ophthalmic lens
photochromic ophthalmic
gradient photochromic
gradient
Prior art date
Application number
BE176507A
Other languages
English (en)
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Publication of BE853351A publication Critical patent/BE853351A/fr

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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/007—Other surface treatment of glass not in the form of fibres or filaments by thermal treatment
    • 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

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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Eyeglasses (AREA)
BE176507A 1976-04-08 1977-04-07 Procede de fabrication d'une lentille ophtalmique photochromique a gradient BE853351A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/674,897 US4213772A (en) 1976-04-08 1976-04-08 Process for producing a gradient photochromic ophthalmic lens

Publications (1)

Publication Number Publication Date
BE853351A true BE853351A (fr) 1977-10-07

Family

ID=24708334

Family Applications (1)

Application Number Title Priority Date Filing Date
BE176507A BE853351A (fr) 1976-04-08 1977-04-07 Procede de fabrication d'une lentille ophtalmique photochromique a gradient

Country Status (2)

Country Link
US (1) US4213772A (fr)
BE (1) BE853351A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411806A1 (fr) * 1977-12-19 1979-07-13 Corning Glass Works Articles en verre photochromique a gradient et procede pour leur realisation
EP0303123A3 (en) * 1987-08-03 1990-05-30 Corning Glass Works Heat treatment of flat photochromic sheet glass

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956004A (en) * 1989-05-10 1990-09-11 Fmc Corporation Herbicidal triazinediones
US4985065A (en) * 1989-05-10 1991-01-15 Fmc Corporation Tetrazolinone herbicides
US9663393B2 (en) 2015-09-01 2017-05-30 Owens-Brockway Glass Container Inc. Process and apparatus for coloring glass containers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA739404A (en) * 1966-07-26 G. O'leary Thomas Phototropic glass article
US2825634A (en) * 1953-05-18 1958-03-04 Pittsburgh Plate Glass Co Glass articles, compositions and methods of producing same
US2984943A (en) * 1956-02-29 1961-05-23 Libbey Owens Ford Glass Co Method of heating and bending glass sheets
NL289576A (fr) * 1962-02-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411806A1 (fr) * 1977-12-19 1979-07-13 Corning Glass Works Articles en verre photochromique a gradient et procede pour leur realisation
EP0303123A3 (en) * 1987-08-03 1990-05-30 Corning Glass Works Heat treatment of flat photochromic sheet glass

Also Published As

Publication number Publication date
US4213772A (en) 1980-07-22

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CORNING GLASS WORKS

Effective date: 19860430