DE3772876D1 - Leicht gefaerbte glaeser mit einer veraenderlichen durchlaessigkeit. - Google Patents

Leicht gefaerbte glaeser mit einer veraenderlichen durchlaessigkeit.

Info

Publication number
DE3772876D1
DE3772876D1 DE8787306008T DE3772876T DE3772876D1 DE 3772876 D1 DE3772876 D1 DE 3772876D1 DE 8787306008 T DE8787306008 T DE 8787306008T DE 3772876 T DE3772876 T DE 3772876T DE 3772876 D1 DE3772876 D1 DE 3772876D1
Authority
DE
Germany
Prior art keywords
light
variable transparency
colored glasses
glasses
colored
Prior art date
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.)
Expired - Lifetime
Application number
DE8787306008T
Other languages
English (en)
Inventor
Michel Prassas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Glass Works
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
Priority claimed from FR8610165A external-priority patent/FR2601354B1/fr
Application filed by Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of DE3772876D1 publication Critical patent/DE3772876D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

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)
DE8787306008T 1986-07-11 1987-07-08 Leicht gefaerbte glaeser mit einer veraenderlichen durchlaessigkeit. Expired - Lifetime DE3772876D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8610165A FR2601354B1 (fr) 1986-07-11 1986-07-11 Verres legerement teintes a transmission variable.
US07/031,267 US4757034A (en) 1986-07-11 1987-03-30 Lightly tinted glasses of variable transmission

Publications (1)

Publication Number Publication Date
DE3772876D1 true DE3772876D1 (de) 1991-10-17

Family

ID=26225388

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787306008T Expired - Lifetime DE3772876D1 (de) 1986-07-11 1987-07-08 Leicht gefaerbte glaeser mit einer veraenderlichen durchlaessigkeit.

Country Status (3)

Country Link
EP (1) EP0252723B1 (de)
JP (1) JP2521099B2 (de)
DE (1) DE3772876D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2653239B1 (fr) * 1989-10-12 1992-10-30 Corning France Verres photochromiques a indice de refraction eleve et a eclaircissement rapide.
US5244845A (en) * 1992-10-02 1993-09-14 Corning Incorporated Multipurpose photochromic brown glasses
US5482902A (en) * 1994-12-21 1996-01-09 Corning Incorporated Brown-photochromic glasses
BR9808615A (pt) * 1997-02-03 2000-05-16 Corinig Inc Lentes fotocromáticas aperfeiçoadas
FR2759077B1 (fr) * 1997-02-03 1999-04-23 Corning Sa Verres photochromiques ameliores
JP5835642B2 (ja) * 2010-06-15 2015-12-24 日本電気硝子株式会社 光学ガラス
JP7134396B2 (ja) * 2017-02-24 2022-09-12 日本電気硝子株式会社 光学ガラス
WO2018155105A1 (ja) * 2017-02-24 2018-08-30 日本電気硝子株式会社 光学ガラス

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139762A (ja) * 1974-10-02 1976-04-02 Teijin Ltd Garasusenikyokanetsukasoseijushino seikeihoho
GB1515641A (en) * 1976-01-30 1978-06-28 Pilkington Brothers Ltd Photochromic glasses
JPS547361A (en) * 1977-06-20 1979-01-20 Mitsubishi Electric Corp Detecting method of broken position of optical fibers
JPS5578786A (en) * 1978-12-12 1980-06-13 Riyoubi Kiso Kk Straight excavasion of troubleeridden subsoil
US4251278A (en) * 1980-01-21 1981-02-17 Corning Glass Works Photochromic glasses which darken to a brown hue
US4550087A (en) * 1984-09-13 1985-10-29 Corning Glass Works Photochromic comfort glasses
FR2584706B1 (fr) * 1985-07-11 1991-08-16 Corning Glass Works Verre photochromique a eclaircissement rapide

Also Published As

Publication number Publication date
EP0252723A1 (de) 1988-01-13
JPS6325248A (ja) 1988-02-02
EP0252723B1 (de) 1991-09-11
JP2521099B2 (ja) 1996-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee