FR873678A - O-dihydroxy-azo dyes and process for their preparation - Google Patents

O-dihydroxy-azo dyes and process for their preparation

Info

Publication number
FR873678A
FR873678A FR873678DA FR873678A FR 873678 A FR873678 A FR 873678A FR 873678D A FR873678D A FR 873678DA FR 873678 A FR873678 A FR 873678A
Authority
FR
France
Prior art keywords
dihydroxy
preparation
azo dyes
azo
dyes
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR873678A publication Critical patent/FR873678A/en
Expired legal-status Critical Current

Links

FR873678D 1939-02-18 1941-07-07 O-dihydroxy-azo dyes and process for their preparation Expired FR873678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE873678X 1939-02-18

Publications (1)

Publication Number Publication Date
FR873678A true FR873678A (en) 1942-07-16

Family

ID=6816542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873678D Expired FR873678A (en) 1939-02-18 1941-07-07 O-dihydroxy-azo dyes and process for their preparation

Country Status (1)

Country Link
FR (1) FR873678A (en)

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