Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-01-22
1994-02-08
Tsang, Cecilia
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
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.
Akimoto Takayuki
Hagiwara Hideo
Hayashi Nobuyuki
Kamijima Koichi
Katayose Mitsuo
Datlow Philip I.
Hitachi Chemical Company, Co.
Tsang Cecilia
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