FR643446A - Improvements in the preparation processes of water-soluble azo dyes - Google Patents

Improvements in the preparation processes of water-soluble azo dyes

Info

Publication number
FR643446A
FR643446A FR643446DA FR643446A FR 643446 A FR643446 A FR 643446A FR 643446D A FR643446D A FR 643446DA FR 643446 A FR643446 A FR 643446A
Authority
FR
France
Prior art keywords
water
azo dyes
preparation processes
soluble azo
soluble
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.)
Pyridium Corp
Original Assignee
Pyridium Corp
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 Pyridium Corp filed Critical Pyridium Corp
Application granted granted Critical
Publication of FR643446A publication Critical patent/FR643446A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
    • C09B29/3617—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom
    • C09B29/3621—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring
    • C09B29/3639—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring from a pyridine ring containing one or more amino groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR643446D 1927-11-07 1927-11-07 Improvements in the preparation processes of water-soluble azo dyes Expired FR643446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR643446T 1927-11-07

Publications (1)

Publication Number Publication Date
FR643446A true FR643446A (en) 1928-09-17

Family

ID=8999408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR643446D Expired FR643446A (en) 1927-11-07 1927-11-07 Improvements in the preparation processes of water-soluble azo dyes

Country Status (1)

Country Link
FR (1) FR643446A (en)

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