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IT1223067B - PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT - Google Patents

PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT

Info

Publication number
IT1223067B
IT1223067B IT22528/87A IT2252887A IT1223067B IT 1223067 B IT1223067 B IT 1223067B IT 22528/87 A IT22528/87 A IT 22528/87A IT 2252887 A IT2252887 A IT 2252887A IT 1223067 B IT1223067 B IT 1223067B
Authority
IT
Italy
Prior art keywords
photocromatic
compound
items
contain
general formula
Prior art date
Application number
IT22528/87A
Other languages
Italian (it)
Other versions
IT8722528A0 (en
Inventor
Nicola Casilli
Luciana Crisci
Fiorenzo Renzi
Franco Rivetti
Original Assignee
Enichem Sintesi
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11197462&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1223067(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Enichem Sintesi filed Critical Enichem Sintesi
Priority to IT22528/87A priority Critical patent/IT1223067B/en
Publication of IT8722528A0 publication Critical patent/IT8722528A0/en
Priority to ES88202408T priority patent/ES2056906T3/en
Priority to EP88202408A priority patent/EP0316980B1/en
Priority to DE88202408T priority patent/DE3882015T2/en
Priority to AT88202408T priority patent/ATE91033T1/en
Priority to AU24744/88A priority patent/AU605929B2/en
Priority to JP63277611A priority patent/JPH01163184A/en
Publication of IT1223067B publication Critical patent/IT1223067B/en
Application granted granted Critical
Priority to US07/650,035 priority patent/US5180524A/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
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Pyrane Compounds (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

A photochromatic composition contains at least two photochromatic compounds, defined by the general formula: <CHEM> wherein the various substituents from R1 to R7 and X are as defined in the specification. In such a mixture, at least one photochromatic compound is defined by the general formula, wherein R7 represents a hydrogen atom, and at least one further compound is also defined by the general formula, wherein R7 represents an -NR8 R9, with R8 and R9 having the meaning as defined in the text.
IT22528/87A 1987-11-05 1987-11-05 PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT IT1223067B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT22528/87A IT1223067B (en) 1987-11-05 1987-11-05 PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT
AT88202408T ATE91033T1 (en) 1987-11-05 1988-10-28 PHOTOCHROMIC COMPOSITION AND ARTICLES CONTAINING SUCH COMPOSITION.
DE88202408T DE3882015T2 (en) 1987-11-05 1988-10-28 PHOTOCHROMIC COMPOSITION AND ITEMS CONTAINING THIS COMPOSITION.
EP88202408A EP0316980B1 (en) 1987-11-05 1988-10-28 Photochromatic composition and photochromatic articles which contain it
ES88202408T ES2056906T3 (en) 1987-11-05 1988-10-28 PHOTOCHROMATIC COMPOSITION AND PHOTOCHROMATIC ARTICLES CONTAINING THIS COMPOSITION.
AU24744/88A AU605929B2 (en) 1987-11-05 1988-11-04 Photochromatic composition and photochromatic articles which contain it
JP63277611A JPH01163184A (en) 1987-11-05 1988-11-04 Phototropic composition
US07/650,035 US5180524A (en) 1987-11-05 1991-02-04 Photochromatic composition and photochromatic articles which contain it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22528/87A IT1223067B (en) 1987-11-05 1987-11-05 PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT

Publications (2)

Publication Number Publication Date
IT8722528A0 IT8722528A0 (en) 1987-11-05
IT1223067B true IT1223067B (en) 1990-09-12

Family

ID=11197462

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22528/87A IT1223067B (en) 1987-11-05 1987-11-05 PHOTOCROMATIC COMPOUND AND PHOTOCROMATIC ITEMS THAT CONTAIN IT

Country Status (7)

Country Link
EP (1) EP0316980B1 (en)
JP (1) JPH01163184A (en)
AT (1) ATE91033T1 (en)
AU (1) AU605929B2 (en)
DE (1) DE3882015T2 (en)
ES (1) ES2056906T3 (en)
IT (1) IT1223067B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07233174A (en) * 1993-12-28 1995-09-05 Hodogaya Chem Co Ltd Spironaphthoxazine compounds and photosensitive materials using the compounds
DE4420378C1 (en) * 1994-06-10 1995-11-30 Rodenstock Optik G Photochromic dyes
FR2723218A1 (en) * 1994-07-29 1996-02-02 Essilor Internal Cie Gle Optique PHOTOCHROMIC COMPOUNDS WITH A SPIRO STRUCTURE (INDOLINE- (2,3 ') - BENZOXAZINE) WITH A CYANO GROUP IN 6', AND THEIR USE IN THE FIELD OF OPHTHALMIC OPTICS
EP1044978A3 (en) * 1999-03-24 2001-05-09 Corning S.A. 1-N-alkyl-5'-[(N'-(un)substituted)amido]spiroindolinonaphthoxazines, their preparation, compositions and (co)polymer matrices containing them
EP1044979A3 (en) * 1999-03-24 2001-05-09 Corning S.A. 1-[(N-(un)substituted)amidoalkyl]spiroindolinonaphthoxazines, their preparation, compositions and (co)polymer matrices containing them

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342668A (en) * 1978-09-08 1982-08-03 American Optical Corporation Photochromic compounds
US4440672A (en) * 1982-03-22 1984-04-03 American Optical Corporation Photochromic composition resistant to fatigue
DE3486132D1 (en) * 1983-12-16 1993-07-01 Rodenstock Optik G Photochrome substanzen.
CA1268034A (en) * 1985-01-31 1990-04-24 Nori Y.C. Chu Photochromic composition resistant to fatigue
GB8610709D0 (en) * 1986-05-01 1986-06-04 Plinkington Bros Plc Photochromic lenses

Also Published As

Publication number Publication date
EP0316980B1 (en) 1993-06-23
IT8722528A0 (en) 1987-11-05
AU605929B2 (en) 1991-01-24
ATE91033T1 (en) 1993-07-15
DE3882015T2 (en) 1993-11-04
AU2474488A (en) 1989-05-11
JPH01163184A (en) 1989-06-27
ES2056906T3 (en) 1994-10-16
EP0316980A1 (en) 1989-05-24
DE3882015D1 (en) 1993-07-29

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971113