IT1223067B - The photochromatic compounds and the photochromatic articles which contain it - Google Patents

The photochromatic compounds and the photochromatic articles which contain it

Info

Publication number
IT1223067B
IT1223067B IT2252887A IT2252887A IT1223067B IT 1223067 B IT1223067 B IT 1223067B IT 2252887 A IT2252887 A IT 2252887A IT 2252887 A IT2252887 A IT 2252887A IT 1223067 B IT1223067 B IT 1223067B
Authority
IT
Italy
Prior art keywords
photochromatic
contain
articles
compounds
photochromatic compounds
Prior art date
Application number
IT2252887A
Other languages
Italian (it)
Other versions
IT8722528D0 (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
Application filed by Enichem Sintesi filed Critical Enichem Sintesi
Priority to IT2252887A priority Critical patent/IT1223067B/en
Publication of IT8722528D0 publication Critical patent/IT8722528D0/en
Priority claimed from AT88202408T external-priority patent/AT91033T/en
Application granted granted Critical
Publication of IT1223067B publication Critical patent/IT1223067B/en
Priority claimed from US07/650,035 external-priority patent/US5180524A/en
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.

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/685Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
IT2252887A 1987-11-05 1987-11-05 The photochromatic compounds and the photochromatic articles which contain it IT1223067B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT2252887A IT1223067B (en) 1987-11-05 1987-11-05 The photochromatic compounds and the photochromatic articles which contain it

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
IT2252887A IT1223067B (en) 1987-11-05 1987-11-05 The photochromatic compounds and the photochromatic articles which contain it
AT88202408T AT91033T (en) 1987-11-05 1988-10-28 Photochromic composition and this composition containing belongings.
EP19880202408 EP0316980B1 (en) 1987-11-05 1988-10-28 Photochromatic composition and photochromatic articles which contain it
DE19883882015 DE3882015T2 (en) 1987-11-05 1988-10-28 Photochromic composition and this composition containing belongings.
DE19883882015 DE3882015D1 (en) 1987-11-05 1988-10-28 Photochromic composition and this composition containing belongings.
ES88202408T ES2056906T3 (en) 1987-11-05 1988-10-28 photochromic composition and photochromic articles containing this composition.
AU24744/88A AU605929B2 (en) 1987-11-05 1988-11-04 Photochromatic composition and photochromatic articles which contain it
JP27761188A JPH01163184A (en) 1987-11-05 1988-11-04 Photochromatic composition
US07/650,035 US5180524A (en) 1987-11-05 1991-02-04 Photochromatic composition and photochromatic articles which contain it

Publications (2)

Publication Number Publication Date
IT8722528D0 IT8722528D0 (en) 1987-11-05
IT1223067B true IT1223067B (en) 1990-09-12

Family

ID=11197462

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2252887A IT1223067B (en) 1987-11-05 1987-11-05 The photochromatic compounds and the photochromatic articles which contain it

Country Status (6)

Country Link
EP (1) EP0316980B1 (en)
JP (1) JPH01163184A (en)
AU (1) AU605929B2 (en)
DE (2) DE3882015D1 (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 compound and photosensitive material using the same compound
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 of spiro structure (indoline (2,3 ') - benzoxazine) a cyano group in 6', and their use in the field of ophthalmic optics
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
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

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
AU3786085A (en) * 1983-12-16 1985-06-26 Optische Werke G. Rodenstock Photochromic substances
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
DE3882015D1 (en) 1993-07-29
ES2056906T3 (en) 1994-10-16
EP0316980A1 (en) 1989-05-24
IT8722528D0 (en) 1987-11-05
AU605929B2 (en) 1991-01-24
AU2474488A (en) 1989-05-11
EP0316980B1 (en) 1993-06-23
DE3882015T2 (en) 1993-11-04
JPH01163184A (en) 1989-06-27

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Legal Events

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

Effective date: 19971113