Photochromic compound

Details Photochromic compound Photochromic compound

1991-08-07

1992-11-24

Schofer, Joseph L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

C07D26500

Patent

active

051663457

ABSTRACT:
A novel photochromic compound and a polymer comprising the photochromic compound are disclosed. The novel photochromic compound of the present invention is a spirooxazine compound having an addition polymerizable organic functional group or a ring-opening polymerizable organic functional group therein.

REFERENCES:
patent: 4637698 (1987-01-01), Kwak et al.
patent: 4720547 (1988-01-01), Kwak et al.
patent: 4929693 (1990-05-01), Akashi et al.

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