(PYRROL)NAPHTOPYRANE, IHRE HERSTELLUNG, ZUSAMMENSETZUNGEN UND SIE ENTHALTENDE (CO)POLYMERMATRIZEN

Disclosed are naphthopyran-type compounds having a pyrrole group annelated in position 5.6, as well as compositions and particularly (co)polymer matrices containing them. These compounds, compositions, and matrices have photochromic properties. These [pyrrole]naphthopyran compounds have the general...

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1. Verfasser: BREYNE, OLIVIER
Format: Patent
Sprache:ger
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Zusammenfassung:Disclosed are naphthopyran-type compounds having a pyrrole group annelated in position 5.6, as well as compositions and particularly (co)polymer matrices containing them. These compounds, compositions, and matrices have photochromic properties. These [pyrrole]naphthopyran compounds have the general formula:Articles containing these photochromic compounds, such as ophthalmic and/or solar glasses, lenses, glazing, devices, and the like, are also disclosed.