EP 1042289 A1 20001011 - 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)
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