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 (enExample)
ES (1) ES426470A1 (enExample)
FI (1) FI136874A7 (enExample)
ZA (1) ZA743200B (enExample)

Also Published As

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

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