FR1542562A - Process for the protection of layers of photochromic substances - Google Patents

Process for the protection of layers of photochromic substances

Info

Publication number
FR1542562A
FR1542562A FR114063A FR114063A FR1542562A FR 1542562 A FR1542562 A FR 1542562A FR 114063 A FR114063 A FR 114063A FR 114063 A FR114063 A FR 114063A FR 1542562 A FR1542562 A FR 1542562A
Authority
FR
France
Prior art keywords
layers
protection
photochromic substances
photochromic
substances
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
Application number
FR114063A
Other languages
French (fr)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Priority to FR114063A priority Critical patent/FR1542562A/en
Priority to NL6809143A priority patent/NL6809143A/xx
Priority to GB1239075D priority patent/GB1239075A/en
Priority to BE717947D priority patent/BE717947A/xx
Priority to DE19681772846 priority patent/DE1772846A1/en
Priority to JP4858068A priority patent/JPS4817892B1/ja
Application granted granted Critical
Publication of FR1542562A publication Critical patent/FR1542562A/en
Expired 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Laminated Bodies (AREA)
  • Eyeglasses (AREA)
FR114063A 1967-07-12 1967-07-12 Process for the protection of layers of photochromic substances Expired FR1542562A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR114063A FR1542562A (en) 1967-07-12 1967-07-12 Process for the protection of layers of photochromic substances
NL6809143A NL6809143A (en) 1967-07-12 1968-06-28
GB1239075D GB1239075A (en) 1967-07-12 1968-07-11
BE717947D BE717947A (en) 1967-07-12 1968-07-11
DE19681772846 DE1772846A1 (en) 1967-07-12 1968-07-11 Process and filter for protecting layers of photochromic substances
JP4858068A JPS4817892B1 (en) 1967-07-12 1968-07-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR114063A FR1542562A (en) 1967-07-12 1967-07-12 Process for the protection of layers of photochromic substances

Publications (1)

Publication Number Publication Date
FR1542562A true FR1542562A (en) 1968-10-18

Family

ID=8634997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR114063A Expired FR1542562A (en) 1967-07-12 1967-07-12 Process for the protection of layers of photochromic substances

Country Status (6)

Country Link
JP (1) JPS4817892B1 (en)
BE (1) BE717947A (en)
DE (1) DE1772846A1 (en)
FR (1) FR1542562A (en)
GB (1) GB1239075A (en)
NL (1) NL6809143A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3532780A1 (en) * 1985-09-13 1987-03-26 Maximilian F Prof Dr I Mutzhas RADIATION PROTECTION FILTER

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8234283D0 (en) * 1982-12-01 1995-04-12 Secr Defence Improvements in or relating to surveillance apparatus
DE4127810C2 (en) * 1991-08-22 1997-04-24 Rodenstock Optik G Optically transparent photochromic plastic material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3532780A1 (en) * 1985-09-13 1987-03-26 Maximilian F Prof Dr I Mutzhas RADIATION PROTECTION FILTER

Also Published As

Publication number Publication date
NL6809143A (en) 1969-01-14
BE717947A (en) 1969-01-13
GB1239075A (en) 1971-07-14
DE1772846A1 (en) 1971-06-09
JPS4817892B1 (en) 1973-06-01

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