FR638269A - Process for the production of nitrogenous tank dyes - Google Patents

Process for the production of nitrogenous tank dyes

Info

Publication number
FR638269A
FR638269A FR638269DA FR638269A FR 638269 A FR638269 A FR 638269A FR 638269D A FR638269D A FR 638269DA FR 638269 A FR638269 A FR 638269A
Authority
FR
France
Prior art keywords
nitrogenous
production
tank dyes
dyes
tank
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 FR638269A publication Critical patent/FR638269A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/40—Pyranthrones
    • C09B3/44—Preparation from starting materials already containing the pyranthrone nucleus
    • C09B3/48—Amino derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR638269D 1927-01-18 1927-05-25 Process for the production of nitrogenous tank dyes Expired FR638269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE638269X 1927-01-18

Publications (1)

Publication Number Publication Date
FR638269A true FR638269A (en) 1928-05-21

Family

ID=6579701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638269D Expired FR638269A (en) 1927-01-18 1927-05-25 Process for the production of nitrogenous tank dyes

Country Status (1)

Country Link
FR (1) FR638269A (en)

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