Photochromic spiro(indoline) fluoranthenoxazine compounds

Details Photochromic spiro(indoline) fluoranthenoxazine compounds Photochromic spiro(indoline) fluoranthenoxazine compounds

1997-10-01

1998-09-15

Raymond, Richard L.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

351162, 351163, 359674, 523106, 524 90, 524 97, 252586, C07D49810

Patent

active

058080635

ABSTRACT:
Described are novel photochromic spiro(indoline) fluoranthenoxazine compounds having certain substituents on the 1 and 3 positions of the indoline portion of the compounds and which may be represented by the following graphic formula: ##STR1## Also described are polymeric organic host materials that contain or that are coated with such compounds.

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