BE621244A - New dyes of the naphthofuran-dion series and process for their preparation - Google Patents

New dyes of the naphthofuran-dion series and process for their preparation

Info

Publication number
BE621244A
BE621244A BE621244A BE621244A BE621244A BE 621244 A BE621244 A BE 621244A BE 621244 A BE621244 A BE 621244A BE 621244 A BE621244 A BE 621244A BE 621244 A BE621244 A BE 621244A
Authority
BE
Belgium
Prior art keywords
naphthofuran
dion
series
preparation
new dyes
Prior art date
Application number
BE621244A
Other languages
French (fr)
Original Assignee
Ciba Geigy
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 filed Critical Ciba Geigy
Publication of BE621244A publication Critical patent/BE621244A/en

Links

BE621244A 1961-08-10 1962-08-09 New dyes of the naphthofuran-dion series and process for their preparation BE621244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH621244X 1961-08-10

Publications (1)

Publication Number Publication Date
BE621244A true BE621244A (en) 1963-02-11

Family

ID=39513905

Family Applications (1)

Application Number Title Priority Date Filing Date
BE621244A BE621244A (en) 1961-08-10 1962-08-09 New dyes of the naphthofuran-dion series and process for their preparation

Country Status (1)

Country Link
BE (1) BE621244A (en)

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