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IT1261660B - Composti dotati di caratteristiche fotocromatiche in presenza di ossigeno e metodi per la loro preparazione - Google Patents

Composti dotati di caratteristiche fotocromatiche in presenza di ossigeno e metodi per la loro preparazione

Info

Publication number
IT1261660B
IT1261660B ITMI922069A ITMI922069A IT1261660B IT 1261660 B IT1261660 B IT 1261660B IT MI922069 A ITMI922069 A IT MI922069A IT MI922069 A ITMI922069 A IT MI922069A IT 1261660 B IT1261660 B IT 1261660B
Authority
IT
Italy
Prior art keywords
oxygen
preparation
methods
new compounds
photochromic properties
Prior art date
Application number
ITMI922069A
Other languages
English (en)
Inventor
Pietro Allegrini
Luciana Crisci
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 ITMI922069A priority Critical patent/IT1261660B/it
Publication of ITMI922069A0 publication Critical patent/ITMI922069A0/it
Publication of ITMI922069A1 publication Critical patent/ITMI922069A1/it
Application granted granted Critical
Publication of IT1261660B publication Critical patent/IT1261660B/it

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  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

Diidro derivati delle spiro-indolino-ossazine, aventi la caratteristica di trasformarsi, in presenza di ossigeno, in composti fotocromatici, di formula generale (I): (FORMULA I)
ITMI922069A 1992-09-07 1992-09-07 Composti dotati di caratteristiche fotocromatiche in presenza di ossigeno e metodi per la loro preparazione IT1261660B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITMI922069A IT1261660B (it) 1992-09-07 1992-09-07 Composti dotati di caratteristiche fotocromatiche in presenza di ossigeno e metodi per la loro preparazione

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922069A IT1261660B (it) 1992-09-07 1992-09-07 Composti dotati di caratteristiche fotocromatiche in presenza di ossigeno e metodi per la loro preparazione

Publications (3)

Publication Number Publication Date
ITMI922069A0 ITMI922069A0 (it) 1992-09-07
ITMI922069A1 ITMI922069A1 (it) 1994-03-08
IT1261660B true IT1261660B (it) 1996-05-28

Family

ID=11363915

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922069A IT1261660B (it) 1992-09-07 1992-09-07 Composti dotati di caratteristiche fotocromatiche in presenza di ossigeno e metodi per la loro preparazione

Country Status (1)

Country Link
IT (1) IT1261660B (it)

Also Published As

Publication number Publication date
ITMI922069A0 (it) 1992-09-07
ITMI922069A1 (it) 1994-03-08

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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: 19970917