Cyclic imido anthraquinone compounds

Details Cyclic imido anthraquinone compounds Cyclic imido anthraquinone compounds

1988-01-12

1989-06-20

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548426, 548451, 548465, 548485, C07D22102, C07D20956, C07D20902, C07D20936

Patent

active

048410578

ABSTRACT:
An anthraquinone compound represented by formula: ##STR1## wherein R and X are as defined in the specification, and a polarizing film containing the same. The anthraquinone compound exhibits satisfactory compatibility with organic polymers and high dichroism, and the polarizing films have excellent performance characteristics.

REFERENCES:
patent: 1962083 (1934-06-01), Nawiasky et al.
patent: 3873567 (1975-03-01), Cyba
patent: 4677047 (1987-06-01), Barger et al.
patent: 4777266 (1988-10-01), Haspra et al.

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