BR8600381A - Processo de aumento da resistencia a fadiga de luz de uma composicao fotocromica e composicao fotocromica - Google Patents

Processo de aumento da resistencia a fadiga de luz de uma composicao fotocromica e composicao fotocromica

Info

Publication number
BR8600381A
BR8600381A BR8600381A BR8600381A BR8600381A BR 8600381 A BR8600381 A BR 8600381A BR 8600381 A BR8600381 A BR 8600381A BR 8600381 A BR8600381 A BR 8600381A BR 8600381 A BR8600381 A BR 8600381A
Authority
BR
Brazil
Prior art keywords
photochromic composition
dye
resistance
increasing
light fatigue
Prior art date
Application number
BR8600381A
Other languages
English (en)
Portuguese (pt)
Inventor
Nori Y C Chu
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of BR8600381A publication Critical patent/BR8600381A/pt

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

  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Glass Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
BR8600381A 1985-01-31 1986-01-30 Processo de aumento da resistencia a fadiga de luz de uma composicao fotocromica e composicao fotocromica BR8600381A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69645285A 1985-01-31 1985-01-31

Publications (1)

Publication Number Publication Date
BR8600381A true BR8600381A (pt) 1986-10-14

Family

ID=24797122

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8600381A BR8600381A (pt) 1985-01-31 1986-01-30 Processo de aumento da resistencia a fadiga de luz de uma composicao fotocromica e composicao fotocromica

Country Status (6)

Country Link
EP (1) EP0195898B1 (enExample)
JP (1) JPS61241383A (enExample)
AT (1) ATE38391T1 (enExample)
BR (1) BR8600381A (enExample)
CA (1) CA1268034A (enExample)
DE (1) DE3661076D1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0277639B1 (en) * 1987-02-02 1995-01-25 Toray Industries, Inc. Photochromic compound
JPH0794657B2 (ja) * 1987-10-16 1995-10-11 日産自動車株式会社 フォトクロミック感光性材料
IT1223067B (it) * 1987-11-05 1990-09-12 Enichem Sintesi Composto fotocromatico ed articoli fotocromatici che lo contengono
US5180524A (en) * 1987-11-05 1993-01-19 Enichem Synthesis S.P.A. Photochromatic composition and photochromatic articles which contain it
WO1989005335A1 (fr) * 1987-12-02 1989-06-15 Japan Capsular Products Inc Substance photochromique microencapsulee, procede de production et preparation d'encre a base aqueuse preparee a partir de cette substance
JP2545606B2 (ja) * 1988-07-05 1996-10-23 呉羽化学工業株式会社 フォトクロミック化合物およびフォトクロミック組成物
GB8828091D0 (en) * 1988-12-01 1989-01-05 Traqson Ltd Security marking
US5225113A (en) * 1989-02-10 1993-07-06 Enichem Synthesis S.P.A. Photochromatic composition endowed with light fatigue resistance and photochromatic articles which contain it
IT1230711B (it) * 1989-02-10 1991-10-29 Enichem Sintesi Composizione fotocromatica dotata di resistenza a fatica alla luce e articoli fotocromatici che la contengono.
JP2755444B2 (ja) * 1989-09-28 1998-05-20 株式会社トクヤマ クロメン組成物
AU637868B2 (en) * 1990-07-04 1993-06-10 Lintec Corporation Photochromic composition
EP0612796A1 (en) * 1993-02-23 1994-08-31 Ciba-Geigy Ag Stabilisation of organic pigments
EP0612816B1 (en) * 1993-02-23 1999-11-17 Ciba SC Holding AG Stabilisation of pyrrolopyrrole pigments
WO2008043848A2 (en) * 2006-10-12 2008-04-17 Opco Gmbh Protective film

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD156372A1 (de) * 1981-02-13 1982-08-18 Manfred Reichenbaecher Photochrome medien unter verwendung von 1,4-2h-oxazinen und spirophenanthro-1,4-2h-oxazinen
US4440672A (en) * 1982-03-22 1984-04-03 American Optical Corporation Photochromic composition resistant to fatigue

Also Published As

Publication number Publication date
JPS61241383A (ja) 1986-10-27
ATE38391T1 (de) 1988-11-15
DE3661076D1 (en) 1988-12-08
EP0195898A1 (en) 1986-10-01
CA1268034A (en) 1990-04-24
EP0195898B1 (en) 1988-11-02
JPH0343315B2 (enExample) 1991-07-02

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 30/01/2001