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Machine translation
1. (WO1998050388) NOVEL PHOTOCHROMIC SPIROOXAZINE COMPOUNDS, THEIR USE IN OPHTHALMIC OPTICS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1998/050388    International Application No.:    PCT/IB1998/000654
Publication Date: 12.11.1998 International Filing Date: 30.04.1998
Chapter 2 Demand Filed:    11.11.1998    
IPC:
C07D 498/10 (2006.01)
Applicants: TRANSITIONS OPTICAL INC. [US/US]; 9251 Belcher Road, Pinellas Park, FL 34664-0700 (US)
Inventors: CHAMONTIN, Karine; (FR).
LOKSHIN, Vladimir; (FR).
SAMAT, André; (FR).
GUGLIELMETTI, Robert; (FR)
Priority Data:
97/05544 06.05.1997 FR
Title (EN) NOVEL PHOTOCHROMIC SPIROOXAZINE COMPOUNDS, THEIR USE IN OPHTHALMIC OPTICS
(FR) NOUVEAUX COMPOSES PHOTOCHROMIQUES SPIROOXAZINES, LEUR UTILISATION DANS LE DOMAINE DE L'OPTIQUE OPHTALMIQUE
Abstract: front page image
(EN)The invention concerns photochromic compounds of spiro{indoline-{2,3'}-benzoxazine} containing at least an electron-attracting group bound in position 5' or 6' to the benzoxazine structure by a chain comprising at least a double ethylenic bond. The invention is applicable to ophthalmic optics.
(FR)Les nouveaux composés photochromiques selon l'invention du type spiro[indoline-[2,3']-benzoxazine] comprennent au moins un groupement électron-attracteur relié en position 5' ou 6' à la structure benzoxazine par une chaîne comportant au moins une double liaison éthylénique. Application à l'optique ophtalmique.
Designated States: AU, BR, JP.
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: French (FR)
Filing Language: French (FR)