IE38232B1 - Process for the manufacture of colour formers of indoles and anhydrides of aromatic or heteroaromatic vicinal dicarboxylic acids new colour formers of these classes of substance and their use - Google Patents

Process for the manufacture of colour formers of indoles and anhydrides of aromatic or heteroaromatic vicinal dicarboxylic acids new colour formers of these classes of substance and their use

Info

Publication number
IE38232B1
IE38232B1 IE150372A IE150372A IE38232B1 IE 38232 B1 IE38232 B1 IE 38232B1 IE 150372 A IE150372 A IE 150372A IE 150372 A IE150372 A IE 150372A IE 38232 B1 IE38232 B1 IE 38232B1
Authority
IE
Ireland
Prior art keywords
colour formers
indoles
heteroaromatic
anhydrides
classes
Prior art date
Application number
IE150372A
Other versions
IE38232L (en
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
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Priority to IE150372A priority Critical patent/IE38232B1/en
Publication of IE38232L publication Critical patent/IE38232L/en
Publication of IE38232B1 publication Critical patent/IE38232B1/en

Links

IE150372A 1972-11-06 1972-11-06 Process for the manufacture of colour formers of indoles and anhydrides of aromatic or heteroaromatic vicinal dicarboxylic acids new colour formers of these classes of substance and their use IE38232B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IE150372A IE38232B1 (en) 1972-11-06 1972-11-06 Process for the manufacture of colour formers of indoles and anhydrides of aromatic or heteroaromatic vicinal dicarboxylic acids new colour formers of these classes of substance and their use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE150372A IE38232B1 (en) 1972-11-06 1972-11-06 Process for the manufacture of colour formers of indoles and anhydrides of aromatic or heteroaromatic vicinal dicarboxylic acids new colour formers of these classes of substance and their use

Publications (2)

Publication Number Publication Date
IE38232L IE38232L (en) 1973-05-26
IE38232B1 true IE38232B1 (en) 1978-02-01

Family

ID=11028183

Family Applications (1)

Application Number Title Priority Date Filing Date
IE150372A IE38232B1 (en) 1972-11-06 1972-11-06 Process for the manufacture of colour formers of indoles and anhydrides of aromatic or heteroaromatic vicinal dicarboxylic acids new colour formers of these classes of substance and their use

Country Status (1)

Country Link
IE (1) IE38232B1 (en)

Also Published As

Publication number Publication date
IE38232L (en) 1973-05-26

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