ATE136033T1 - Photochrome und photoempfindliche spiroindolinoxazinverbindungen und verfahren zu ihrer herstellung - Google Patents

Photochrome und photoempfindliche spiroindolinoxazinverbindungen und verfahren zu ihrer herstellung

Info

Publication number
ATE136033T1
ATE136033T1 AT90203216T AT90203216T ATE136033T1 AT E136033 T1 ATE136033 T1 AT E136033T1 AT 90203216 T AT90203216 T AT 90203216T AT 90203216 T AT90203216 T AT 90203216T AT E136033 T1 ATE136033 T1 AT E136033T1
Authority
AT
Austria
Prior art keywords
compounds
spiroindolinoxazine
photochromic
photosensitive
production
Prior art date
Application number
AT90203216T
Other languages
English (en)
Inventor
Graziano Castaldi
Pietro Allegrini
Luciana Crisci
Fiorenzo Renzi
Original Assignee
Great Lakes Chemical Italia
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 Great Lakes Chemical Italia filed Critical Great Lakes Chemical Italia
Application granted granted Critical
Publication of ATE136033T1 publication Critical patent/ATE136033T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D498/10—Spiro-condensed systems
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Filters (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
AT90203216T 1989-12-12 1990-12-06 Photochrome und photoempfindliche spiroindolinoxazinverbindungen und verfahren zu ihrer herstellung ATE136033T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02266089A IT1237529B (it) 1989-12-12 1989-12-12 Composti spiro-indolino-ossazine con caratteristiche fotocromatiche e fotosensibilizzatrici e procedimento per la loro preparazione

Publications (1)

Publication Number Publication Date
ATE136033T1 true ATE136033T1 (de) 1996-04-15

Family

ID=11198977

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90203216T ATE136033T1 (de) 1989-12-12 1990-12-06 Photochrome und photoempfindliche spiroindolinoxazinverbindungen und verfahren zu ihrer herstellung

Country Status (8)

Country Link
EP (1) EP0432841B1 (de)
JP (1) JPH05105685A (de)
AT (1) ATE136033T1 (de)
DE (1) DE69026217T2 (de)
DK (1) DK0432841T3 (de)
ES (1) ES2085323T3 (de)
GR (1) GR3019711T3 (de)
IT (1) IT1237529B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423904A1 (de) * 1994-07-10 1996-01-11 Rodenstock Optik G Photochrome Substanzen (Auto)
IT1292461B1 (it) * 1997-07-03 1999-02-08 Great Lakes Chemical Italia Composti fotocromatici,procedimento per la loro preparazione e loro utilizzo in materiali polimerici
ITMI981690A1 (it) * 1998-07-22 2000-01-22 Great Lakes Chemical Italia "composti fotocromatici procedimento per la loro preparazione e loro utilizzo in materiali polimerici"
IT1304507B1 (it) * 1998-12-29 2001-03-19 Great Lakes Chemical Italia Composti fotocromatici, procedimento per la loro preparazione e loroutilizzo in materiali polimerici.
KR20130140544A (ko) * 2010-07-20 2013-12-24 니폰 가야꾸 가부시끼가이샤 액정 실링제 및 그것을 사용한 액정 표시셀
CN113896736B (zh) * 2021-11-18 2023-03-03 南开大学 芳基取代的螺噁嗪光致变色化合物及其制备方法与应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002619A1 (en) * 1983-12-16 1985-06-20 Optische Werke G. Rodenstock Photochromic substances
GB8610709D0 (en) * 1986-05-01 1986-06-04 Plinkington Bros Plc Photochromic lenses
US4785097A (en) * 1986-09-26 1988-11-15 Ppg Industries, Inc. Method for synthesizing spiro-oxazines
EP0277639B1 (de) * 1987-02-02 1995-01-25 Toray Industries, Inc. Photochrome Verbindung
JPH0280490A (ja) * 1988-09-17 1990-03-20 Nagase Sangyo Kk 高耐熱性フォトクロミック材料

Also Published As

Publication number Publication date
DE69026217T2 (de) 1996-10-02
IT1237529B (it) 1993-06-08
EP0432841B1 (de) 1996-03-27
IT8922660A1 (it) 1991-06-12
IT8922660A0 (it) 1989-12-12
JPH05105685A (ja) 1993-04-27
ES2085323T3 (es) 1996-06-01
EP0432841A2 (de) 1991-06-19
EP0432841A3 (en) 1992-01-29
DE69026217D1 (de) 1996-05-02
GR3019711T3 (en) 1996-07-31
DK0432841T3 (da) 1996-06-24

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee