FR626120A - Process for the preparation of azo dyes of the pyrazolon series - Google Patents

Process for the preparation of azo dyes of the pyrazolon series

Info

Publication number
FR626120A
FR626120A FR626120DA FR626120A FR 626120 A FR626120 A FR 626120A FR 626120D A FR626120D A FR 626120DA FR 626120 A FR626120 A FR 626120A
Authority
FR
France
Prior art keywords
pyrazolon
series
preparation
azo dyes
azo
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 FR626120A publication Critical patent/FR626120A/en
Expired legal-status Critical Current

Links

FR626120D 1925-11-19 1926-11-19 Process for the preparation of azo dyes of the pyrazolon series Expired FR626120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE626120X 1925-11-19

Publications (1)

Publication Number Publication Date
FR626120A true FR626120A (en) 1927-08-30

Family

ID=6578193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR626120D Expired FR626120A (en) 1925-11-19 1926-11-19 Process for the preparation of azo dyes of the pyrazolon series

Country Status (1)

Country Link
FR (1) FR626120A (en)

Similar Documents

Publication Publication Date Title
FR626120A (en) Process for the preparation of azo dyes of the pyrazolon series
FR641816A (en) Process for the production of new azo dyes
FR618510A (en) Process for the preparation of azo dyes
FR619026A (en) Process for the preparation of azo dyes
FR626161A (en) Process for the preparation of azo dyes
FR595159A (en) Process for the preparation of azo dyes
FR561431A (en) Process for the preparation of azo dyes
FR562579A (en) Process for the preparation of azo dyes
FR631888A (en) Process for the preparation of azo dyes
FR592566A (en) Process for the preparation of azo dyes
FR553267A (en) Process for the preparation of azo dyes
FR549020A (en) Process for the preparation of azo dyes
FR613226A (en) Process for the preparation of red-yellow azo dyes
FR637131A (en) Process for the preparation of azo dyes
FR637383A (en) Process for the preparation of azo dyes
FR645588A (en) Process for the preparation of azo dyes
FR592138A (en) Process for the preparation of azo dyes
FR832114A (en) Process for preparing dyes of the phthalo-cyanine series
FR626652A (en) Process for the preparation of chromatable monoazo dyes
FR754639A (en) Process for the preparation of azo dyes
FR597455A (en) Process for the preparation of vat dyes of the perylene series
FR575934A (en) Process for the preparation of azo dyes
FR597242A (en) Process for the preparation of new dyes for tanks of the perylene series
FR32804E (en) Process for the manufacture of azo dyes
FR633811A (en) Process for the manufacture of azo dyes