Title (en)

PHOTOCHROMATIC COMPOUNDS, PROCESS FOR THEIR PREPARATION AND THEIR USE IN POLYMERIC MATERIALS

Title (de)

PHOTOCHROMATISCHE VERBINDUNGEN, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG IN POLYMERE ZUSAMMENSETZUNGEN

Title (fr)

COMPOSES PHOTOCHROMATIQUES, LEUR PROCEDE DE PREPARATION ET LEUR UTILISATION DANS DES MATIERES POLYMERES

Publication

EP 1153100 A1 20011114 (EN)

Application

EP 99965567 A 19991229

Priority

• EP 9910425 W 19991229
• IT MI982842 A 19981229

Abstract (en)

[origin: WO0039245A1] Photochromatic compounds having general formula (I): the photochromatic compounds can be used in polymeric materials to obtain photochromatic articles.

IPC 1-7

C09K 9/02; C07D 251/14; G03C 1/685

IPC 8 full level

C07D 405/14 (2006.01); C07D 498/10 (2006.01); C07D 519/00 (2006.01); C09K 9/02 (2006.01); G03C 1/685 (2006.01)

CPC (source: EP)

C07D 405/14 (2013.01); C09K 9/02 (2013.01); G03C 1/685 (2013.01)

Citation (search report)

See references of WO 0039245A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 0039245 A1 20000706; EP 1153100 A1 20011114; IT 1304507 B1 20010319; IT MI982842 A1 20000629

DOCDB simple family (application)

EP 9910425 W 19991229; EP 99965567 A 19991229; IT MI982842 A 19981229