EP 1042289 A4 20030611 - INDOLE]NAPHTHOPYRANS, PREPARATION, COMPOSITIONS AND (CO)POLYMER MATRICES CONTAINING THEM, SYNTHESIS INTERMEDIATES
Title (en)
INDOLE]NAPHTHOPYRANS, PREPARATION, COMPOSITIONS AND (CO)POLYMER MATRICES CONTAINING THEM, SYNTHESIS INTERMEDIATES
Title (de)
(INDOL)NAPHTHOPYRANE, HERSTELLUNG, ZUSAMMENSETZUNGEN UND (CO)POLYMERMATRIZEN DIE DIESE ENTHALTEN UND ZWISCHENVERBINDUNGEN ZU IHRER SYNTHESE
Title (fr)
INDOLE]NAPHTOPYRANS, PREPARATION, COMPOSITIONS ET MATRICES (CO)POLYMERES LES CONTENANT ET INTERMEDIAIRES DE SYNTHESE
Publication
Application
Priority
- FR 9713769 A 19971103
- US 9821930 W 19981020
Abstract (en)
[origin: FR2770524A1] The object of the present invention is novel [indole]naphthopyrans compounds as well as the compositions and (co)polymer matrices containing them. Said compounds have interesting photochromic properties. Another object of the present invention is a method of preparing said novel compounds, as well as intermediates useful in said preparation.
IPC 1-7
IPC 8 full level
C07D 209/56 (2006.01); C07D 311/78 (2006.01); C07D 491/04 (2006.01); C07D 491/052 (2006.01); C08G 73/06 (2006.01); C08K 5/3415 (2006.01); G02B 5/23 (2006.01)
CPC (source: EP)
C07D 311/78 (2013.01); C07D 491/04 (2013.01); C08G 73/0672 (2013.01); G02B 5/23 (2013.01)
Citation (search report)
- [A] EP 0562915 A1 19930929 - ESSILOR INT [FR]
- See references of WO 9923071A1
Designated contracting state (EPC)
BE DE ES FR GB IE IT NL
DOCDB simple family (publication)
FR 2770524 A1 19990507; FR 2770524 B1 20000317; AR 017542 A1 20010912; AU 1096399 A 19990524; AU 743353 B2 20020124; BR 9813140 A 20001031; CA 2305753 A1 19990514; CN 1278248 A 20001227; EP 1042289 A1 20001011; EP 1042289 A4 20030611; JP 2001521922 A 20011113; WO 9923071 A1 19990514
DOCDB simple family (application)
FR 9713769 A 19971103; AR P980105489 A 19981102; AU 1096399 A 19981020; BR 9813140 A 19981020; CA 2305753 A 19981020; CN 98810841 A 19981020; EP 98953636 A 19981020; JP 2000518947 A 19981020; US 9821930 W 19981020