ZA745663B - Nitro-chromeno pyrazole compounds their manufacture and use - Google Patents

Nitro-chromeno pyrazole compounds their manufacture and use

Info

Publication number
ZA745663B
ZA745663B ZA00745663A ZA745663A ZA745663B ZA 745663 B ZA745663 B ZA 745663B ZA 00745663 A ZA00745663 A ZA 00745663A ZA 745663 A ZA745663 A ZA 745663A ZA 745663 B ZA745663 B ZA 745663B
Authority
ZA
South Africa
Prior art keywords
chromeno
nitro
manufacture
pyrazole compounds
pyrazole
Prior art date
Application number
ZA00745663A
Inventor
J Petit-Pierre
R Garner
Original Assignee
Ciba Geigy Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB4196473A external-priority patent/GB1469515A/en
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of ZA745663B publication Critical patent/ZA745663B/en

Links

ZA00745663A 1973-09-06 1974-09-05 Nitro-chromeno pyrazole compounds their manufacture and use ZA745663B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4196473A GB1469515A (en) 1973-09-06 1973-09-06 Chromeno-pyrazole compounds their manufacture and their use in thermo-reactive recording material

Publications (1)

Publication Number Publication Date
ZA745663B true ZA745663B (en) 1975-09-24

Family

ID=10422201

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00745663A ZA745663B (en) 1973-09-06 1974-09-05 Nitro-chromeno pyrazole compounds their manufacture and use

Country Status (1)

Country Link
ZA (1) ZA745663B (en)

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