2-Adamantyl benzopyrans the compositions and (co)polymer matrice

Details 2-Adamantyl benzopyrans the compositions and (co)polymer matrice 2-Adamantyl benzopyrans the compositions and (co)polymer matrice

1997-12-03

1999-03-30

Tucker, Philip

Compositions

Light transmission modifying compositions

Displaying color change

549 29, 549 43, 549 58, 549383, 549384, 549389, 549390, 549398, 549406, 546 62, 546 89, 5462827, 548430, 548440, G02B 523, C07D31192, C07D31178

Patent

active

058884327

ABSTRACT:
The present invention has for subjects, novel benzopyran derivatives, substituted in position 2 with an adamantyl group as well as the compositions and (co)polymer matrices containing such derivatives. Said derivatives possess interesting photochromic properties.

REFERENCES:
patent: 4818096 (1989-04-01), Heller et al.
patent: 4826977 (1989-05-01), Heller et al.
patent: 4931221 (1990-06-01), Heller
patent: 4980089 (1990-12-01), Heller
patent: 4990287 (1991-02-01), Bennion et al.
patent: 5200116 (1993-04-01), Heller
patent: 5262549 (1993-11-01), Telfer et al.
patent: 5405976 (1995-04-01), Telfer et al.
patent: 5531935 (1996-07-01), Hughes et al.

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