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IT1223067B - Composto fotocromatico ed articoli fotocromatici che lo contengono - Google Patents

Composto fotocromatico ed articoli fotocromatici che lo contengono

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
English (en)
Other versions
IT8722528A0 (it
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/it
Publication of IT8722528A0 publication Critical patent/IT8722528A0/it
Priority to AT88202408T priority patent/ATE91033T1/de
Priority to ES88202408T priority patent/ES2056906T3/es
Priority to EP88202408A priority patent/EP0316980B1/en
Priority to DE88202408T priority patent/DE3882015T2/de
Priority to AU24744/88A priority patent/AU605929B2/en
Priority to JP63277611A priority patent/JPH01163184A/ja
Publication of IT1223067B publication Critical patent/IT1223067B/it
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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (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)
  • Inorganic Insulating Materials (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Pyrane Compounds (AREA)
IT22528/87A 1987-11-05 1987-11-05 Composto fotocromatico ed articoli fotocromatici che lo contengono IT1223067B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT22528/87A IT1223067B (it) 1987-11-05 1987-11-05 Composto fotocromatico ed articoli fotocromatici che lo contengono
DE88202408T DE3882015T2 (de) 1987-11-05 1988-10-28 Photochromische zusammensetzung und diese zusammensetzung enthaltende gegenstaende.
EP88202408A EP0316980B1 (en) 1987-11-05 1988-10-28 Photochromatic composition and photochromatic articles which contain it
ES88202408T ES2056906T3 (es) 1987-11-05 1988-10-28 Composicion fotocromatica y articulos fotocromaticos que contienen esta composicion.
AT88202408T ATE91033T1 (de) 1987-11-05 1988-10-28 Photochromische zusammensetzung und diese zusammensetzung enthaltende gegenstaende.
AU24744/88A AU605929B2 (en) 1987-11-05 1988-11-04 Photochromatic composition and photochromatic articles which contain it
JP63277611A JPH01163184A (ja) 1987-11-05 1988-11-04 光互変組成物
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 (it) 1987-11-05 1987-11-05 Composto fotocromatico ed articoli fotocromatici che lo contengono

Publications (2)

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

Family

ID=11197462

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22528/87A IT1223067B (it) 1987-11-05 1987-11-05 Composto fotocromatico ed articoli fotocromatici che lo contengono

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07233174A (ja) * 1993-12-28 1995-09-05 Hodogaya Chem Co Ltd スピロナフトオキサジン化合物および該化合物を使用した感光材料
DE4420378C1 (de) * 1994-06-10 1995-11-30 Rodenstock Optik G Photochrome Farbstoffe
FR2723218A1 (fr) * 1994-07-29 1996-02-02 Essilor Internal Cie Gle Optique Composes photochromiques de structure spiro (indoline-(2,3')-benzoxazine) a groupement cyano en 6', et leur utilisation dans le domaine de l'optique ophtalmique
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
EP0508219B1 (de) * 1983-12-16 2000-04-26 Optische Werke G. Rodenstock 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
DE3882015T2 (de) 1993-11-04
AU605929B2 (en) 1991-01-24
AU2474488A (en) 1989-05-11
ATE91033T1 (de) 1993-07-15
ES2056906T3 (es) 1994-10-16
EP0316980A1 (en) 1989-05-24
EP0316980B1 (en) 1993-06-23
JPH01163184A (ja) 1989-06-27
IT8722528A0 (it) 1987-11-05
DE3882015D1 (de) 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