Tatraazaporphin, process for producing the same, as well as opti

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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540123, 540124, 540125, 540128, 430270, C07D48722, C09B 4700

Patent

active

052849430

ABSTRACT:
Special tetraazaporphins containing Si, Ge or Sn as the central metal are useful for forming a recording layer in an optical recording medium.

REFERENCES:
patent: 5032495 (1991-07-01), Albert et al.

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