IT1052346B - Perfezionamento nei dispositivi fotocromici in particolare lenti solari - Google Patents

Perfezionamento nei dispositivi fotocromici in particolare lenti solari

Info

Publication number
IT1052346B
IT1052346B IT52318/75A IT5231875A IT1052346B IT 1052346 B IT1052346 B IT 1052346B IT 52318/75 A IT52318/75 A IT 52318/75A IT 5231875 A IT5231875 A IT 5231875A IT 1052346 B IT1052346 B IT 1052346B
Authority
IT
Italy
Prior art keywords
improvement
particular solar
photochromic devices
solar lenses
lenses
Prior art date
Application number
IT52318/75A
Other languages
English (en)
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Application granted granted Critical
Publication of IT1052346B publication Critical patent/IT1052346B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
    • C09K9/02—Organic tenebrescent materials

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Filters (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Eyeglasses (AREA)
IT52318/75A 1975-03-21 1975-11-20 Perfezionamento nei dispositivi fotocromici in particolare lenti solari IT1052346B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56044175A 1975-03-21 1975-03-21

Publications (1)

Publication Number Publication Date
IT1052346B true IT1052346B (it) 1981-06-20

Family

ID=24237844

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52318/75A IT1052346B (it) 1975-03-21 1975-11-20 Perfezionamento nei dispositivi fotocromici in particolare lenti solari

Country Status (7)

Country Link
JP (1) JPS51111487A (it)
BR (1) BR7508207A (it)
DE (1) DE2547688A1 (it)
FR (1) FR2304658A1 (it)
GB (1) GB1483685A (it)
IL (1) IL48308A0 (it)
IT (1) IT1052346B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424452A1 (de) * 1984-04-09 1985-10-24 Technica Entwicklungsgesellschaft mbH & Co KG, 2418 Ratzeburg Verfahren und vorrichtung zum gewinnen von trinkwasser oder giesswasser, insb. in entwicklungslaendern
WO2024185580A1 (ja) * 2023-03-03 2024-09-12 株式会社トクヤマ 積層体、光学物品、コート層含有積層体、レンズ、眼鏡、及び窓用フィルム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508810A (en) * 1967-07-19 1970-04-28 Vari Light Corp Photochromic systems
US3666352A (en) * 1970-01-22 1972-05-30 Charles A Wagner Rate controlled photochromic lenses of vinyl chloride-vinyl acetate copolymer containing a mercury thiocarbazone compound

Also Published As

Publication number Publication date
BR7508207A (pt) 1976-09-21
FR2304658B1 (it) 1980-06-27
FR2304658A1 (fr) 1976-10-15
GB1483685A (en) 1977-08-24
IL48308A0 (en) 1975-12-31
JPS51111487A (en) 1976-10-01
DE2547688A1 (de) 1976-09-30

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