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ITMI922379A1 - Articoli fotocromatici e procedimento per la loro preparazione - Google Patents

Articoli fotocromatici e procedimento per la loro preparazione

Info

Publication number
ITMI922379A1
ITMI922379A1 IT002379A ITMI922379A ITMI922379A1 IT MI922379 A1 ITMI922379 A1 IT MI922379A1 IT 002379 A IT002379 A IT 002379A IT MI922379 A ITMI922379 A IT MI922379A IT MI922379 A1 ITMI922379 A1 IT MI922379A1
Authority
IT
Italy
Prior art keywords
photochromatic
items
procedure
preparation
photochromatic items
Prior art date
Application number
IT002379A
Other languages
English (en)
Inventor
Luciana Crisci
Daniele Girelli
Gianpiero Ventimiglia
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 IT002379 priority Critical patent/IT1255878B/it
Publication of ITMI922379A0 publication Critical patent/ITMI922379A0/it
Priority to BE9301095A priority patent/BE1006104A6/fr
Publication of ITMI922379A1 publication Critical patent/ITMI922379A1/it
Application granted granted Critical
Publication of IT1255878B publication Critical patent/IT1255878B/it

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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
IT002379 1992-10-16 1992-10-16 Articoli fotocromatici e procedimento per la loro preparazione IT1255878B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT002379 IT1255878B (it) 1992-10-16 1992-10-16 Articoli fotocromatici e procedimento per la loro preparazione
BE9301095A BE1006104A6 (fr) 1992-10-16 1993-10-15 Articles photochromes et procede pour leur preparation.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT002379 IT1255878B (it) 1992-10-16 1992-10-16 Articoli fotocromatici e procedimento per la loro preparazione

Publications (3)

Publication Number Publication Date
ITMI922379A0 ITMI922379A0 (it) 1992-10-16
ITMI922379A1 true ITMI922379A1 (it) 1994-04-16
IT1255878B IT1255878B (it) 1995-11-17

Family

ID=11364123

Family Applications (1)

Application Number Title Priority Date Filing Date
IT002379 IT1255878B (it) 1992-10-16 1992-10-16 Articoli fotocromatici e procedimento per la loro preparazione

Country Status (2)

Country Link
BE (1) BE1006104A6 (it)
IT (1) IT1255878B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708064A (en) * 1993-10-15 1998-01-13 Ppg Industries, Inc. High refractive index photochromic ophthalmic article
CN104892631B (zh) * 2015-06-04 2018-03-02 中国中化股份有限公司 含磺酸基螺恶嗪类光致变色化合物及其制备方法和应用

Also Published As

Publication number Publication date
ITMI922379A0 (it) 1992-10-16
BE1006104A6 (fr) 1994-05-10
IT1255878B (it) 1995-11-17

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971014