Squarylium compounds

Details Squarylium compounds Squarylium compounds

1990-07-09

1993-10-26

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548490, C07D20912

Patent

active

052567940

ABSTRACT:
Squarylium compounds having the following formula (I), ##STR1## and an optical information recording medium comprising a substrate and a recording layer formed on the substrate, comprising a squarylium compound having formula (I) are disclosed.

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