IT9019389A0 - Luxmetri contenenti sostanze fotocromatiche - Google Patents

Luxmetri contenenti sostanze fotocromatiche

Info

Publication number
IT9019389A0
IT9019389A0 IT9019389A IT1938990A IT9019389A0 IT 9019389 A0 IT9019389 A0 IT 9019389A0 IT 9019389 A IT9019389 A IT 9019389A IT 1938990 A IT1938990 A IT 1938990A IT 9019389 A0 IT9019389 A0 IT 9019389A0
Authority
IT
Italy
Prior art keywords
luxmeters
photochromic substances
containing photochromic
substances
photochromic
Prior art date
Application number
IT9019389A
Other languages
English (en)
Other versions
IT1238694B (it
IT9019389A1 (it
Inventor
Enrico Traverso
Carlo Busetto
Luciana Crisci
Fiorenzo Renzi
Pietro Allegrini
Graziano Castaldi
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
Application filed by Enichem Sintesi filed Critical Enichem Sintesi
Priority to IT19389A priority Critical patent/IT1238694B/it
Publication of IT9019389A0 publication Critical patent/IT9019389A0/it
Priority to EP90203497A priority patent/EP0442166A1/en
Publication of IT9019389A1 publication Critical patent/IT9019389A1/it
Application granted granted Critical
Publication of IT1238694B publication Critical patent/IT1238694B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
    • C08K5/357—Six-membered rings
    • 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
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/48—Photometry, e.g. photographic exposure meter using chemical effects
    • G01J1/50—Photometry, e.g. photographic exposure meter using chemical effects using change in colour of an indicator, e.g. actinometer
    • 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
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT19389A 1990-02-16 1990-02-16 Luxmetri contenenti sostanze fotocromatiche IT1238694B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT19389A IT1238694B (it) 1990-02-16 1990-02-16 Luxmetri contenenti sostanze fotocromatiche
EP90203497A EP0442166A1 (en) 1990-02-16 1990-12-24 Illuminometers containing photochromatic substances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19389A IT1238694B (it) 1990-02-16 1990-02-16 Luxmetri contenenti sostanze fotocromatiche

Publications (3)

Publication Number Publication Date
IT9019389A0 true IT9019389A0 (it) 1990-02-16
IT9019389A1 IT9019389A1 (it) 1991-08-17
IT1238694B IT1238694B (it) 1993-09-01

Family

ID=11157277

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19389A IT1238694B (it) 1990-02-16 1990-02-16 Luxmetri contenenti sostanze fotocromatiche

Country Status (2)

Country Link
EP (1) EP0442166A1 (it)
IT (1) IT1238694B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289547A (en) * 1991-12-06 1994-02-22 Ppg Industries, Inc. Authenticating method
IT1298452B1 (it) * 1998-02-26 2000-01-10 Great Lakes Chemical Italia Composizioni fotocromatiche dotate di resistenza a fatica alla luce ed articoli fotocromatici che le contengono
US8698117B2 (en) 2003-07-01 2014-04-15 Transitions Optical, Inc. Indeno-fused ring compounds
US8211338B2 (en) 2003-07-01 2012-07-03 Transitions Optical, Inc Photochromic compounds
US8545984B2 (en) 2003-07-01 2013-10-01 Transitions Optical, Inc. Photochromic compounds and compositions
US8518546B2 (en) 2003-07-01 2013-08-27 Transitions Optical, Inc. Photochromic compounds and compositions
JP4568027B2 (ja) 2003-07-17 2010-10-27 パイロットインキ株式会社 フォトクロミック材料
CN105623239B (zh) * 2014-10-30 2019-02-15 中国中化股份有限公司 一种光致变色组合物及其应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3774437D1 (de) * 1986-07-08 1991-12-12 Nissan Motor Spirooxazin-verbindungen, photoempfindliche materialien, die diese enthalten und verfahren zur herstellung derselben.
IT1223348B (it) * 1987-11-05 1990-09-19 Enichem Sintesi Bambola o altro gioco per l'infanzia con caratteristiche fotocromatiche e relativo procedimento di preparazione

Also Published As

Publication number Publication date
IT1238694B (it) 1993-09-01
IT9019389A1 (it) 1991-08-17
EP0442166A1 (en) 1991-08-21

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Legal Events

Date Code Title Description
0001 Granted