Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-04-02
1977-11-08
Jiles, Henry R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D30792
Patent
active
040575624
ABSTRACT:
The invention relates to specific naphthofurans which are useful as cryochromic substances e.g. for measuring the temperature, pH value or radiation field.
REFERENCES:
patent: 2894003 (1959-07-01), Long et al.
Balli Heinz
Egger Albert
Almaula Prabodh I.
Ciba-Geigy Corporation
Dentz Bernard
Jiles Henry R.
McC. Roberts Edward
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