ZA743200B - Nitro-phthalides, their manufacture and their use in recording systems - Google Patents

Nitro-phthalides, their manufacture and their use in recording systems

Info

Publication number
ZA743200B
ZA743200B ZA00743200A ZA743200A ZA743200B ZA 743200 B ZA743200 B ZA 743200B ZA 00743200 A ZA00743200 A ZA 00743200A ZA 743200 A ZA743200 A ZA 743200A ZA 743200 B ZA743200 B ZA 743200B
Authority
ZA
South Africa
Prior art keywords
phthalides
nitro
manufacture
recording systems
recording
Prior art date
Application number
ZA00743200A
Other languages
English (en)
Inventor
R Carner
J Petitpierre
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 GB2408073A external-priority patent/GB1460151A/en
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of ZA743200B publication Critical patent/ZA743200B/xx

Links

ZA00743200A 1973-05-21 1974-05-20 Nitro-phthalides, their manufacture and their use in recording systems ZA743200B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2408073A GB1460151A (en) 1973-05-21 1973-05-21 Nitrophthalides their mahufacture and their use in recording systems-

Publications (1)

Publication Number Publication Date
ZA743200B true ZA743200B (en) 1975-05-28

Family

ID=10206046

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00743200A ZA743200B (en) 1973-05-21 1974-05-20 Nitro-phthalides, their manufacture and their use in recording systems

Country Status (4)

Country Link
BR (1) BR7404110D0 (https=)
ES (1) ES426470A1 (https=)
FI (1) FI136874A7 (https=)
ZA (1) ZA743200B (https=)

Also Published As

Publication number Publication date
FI136874A7 (https=) 1974-11-22
ES426470A1 (es) 1976-09-16
BR7404110D0 (pt) 1975-09-30

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