IT1194818B - PHOTOCROMATIC COMPOSITION - Google Patents

PHOTOCROMATIC COMPOSITION

Info

Publication number
IT1194818B
IT1194818B IT25374/80A IT2537480A IT1194818B IT 1194818 B IT1194818 B IT 1194818B IT 25374/80 A IT25374/80 A IT 25374/80A IT 2537480 A IT2537480 A IT 2537480A IT 1194818 B IT1194818 B IT 1194818B
Authority
IT
Italy
Prior art keywords
photocromatic
composition
photocromatic composition
Prior art date
Application number
IT25374/80A
Other languages
Italian (it)
Other versions
IT8025374A0 (en
Inventor
Aristide Pelizza
Giampiero Pelizza
Original Assignee
Synterge Snc
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 Synterge Snc filed Critical Synterge Snc
Priority to IT25374/80A priority Critical patent/IT1194818B/en
Publication of IT8025374A0 publication Critical patent/IT8025374A0/en
Priority to EP81830195A priority patent/EP0050594A3/en
Application granted granted Critical
Publication of IT1194818B publication Critical patent/IT1194818B/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Eyeglasses (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT25374/80A 1980-10-16 1980-10-16 PHOTOCROMATIC COMPOSITION IT1194818B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT25374/80A IT1194818B (en) 1980-10-16 1980-10-16 PHOTOCROMATIC COMPOSITION
EP81830195A EP0050594A3 (en) 1980-10-16 1981-10-15 Photochromic composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25374/80A IT1194818B (en) 1980-10-16 1980-10-16 PHOTOCROMATIC COMPOSITION

Publications (2)

Publication Number Publication Date
IT8025374A0 IT8025374A0 (en) 1980-10-16
IT1194818B true IT1194818B (en) 1988-09-28

Family

ID=11216503

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25374/80A IT1194818B (en) 1980-10-16 1980-10-16 PHOTOCROMATIC COMPOSITION

Country Status (2)

Country Link
EP (1) EP0050594A3 (en)
IT (1) IT1194818B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423904A1 (en) * 1994-07-10 1996-01-11 Rodenstock Optik G Photochromic substances (car)
US7077985B2 (en) 2000-05-30 2006-07-18 Vision-Ease Lens Injection molding of lens
AU2004270746B2 (en) 2003-09-09 2010-12-02 Insight Equity A.P.X., Lp Photochromic polyurethane laminate
US7858001B2 (en) 2003-09-09 2010-12-28 Insight Equity A.P.X., L.P. Photochromic lens
EP1874984A2 (en) 2005-03-04 2008-01-09 Vision-Ease Lens, Inc. Forming method for polymeric laminated wafers comprising different film materials

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519635A (en) * 1968-04-18 1970-07-07 American Cyanamid Co Photochromic compositions of a thermoplastic polymer and a polymeric material
US3575872A (en) * 1969-08-27 1971-04-20 American Cyanamid Co Selenocarbazonates and their use as photochromic materials
US4043637A (en) * 1973-06-15 1977-08-23 American Optical Corporation Photochromic light valve

Also Published As

Publication number Publication date
IT8025374A0 (en) 1980-10-16
EP0050594A2 (en) 1982-04-28
EP0050594A3 (en) 1982-05-26

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