FR645384A - Improvements to the application of azo dyes - Google Patents

Improvements to the application of azo dyes

Info

Publication number
FR645384A
FR645384A FR645384DA FR645384A FR 645384 A FR645384 A FR 645384A FR 645384D A FR645384D A FR 645384DA FR 645384 A FR645384 A FR 645384A
Authority
FR
France
Prior art keywords
application
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.)
Imperial Chemical Industries Ltd
Original Assignee
British Dyestuffs Corp Ltd
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 British Dyestuffs Corp Ltd filed Critical British Dyestuffs Corp Ltd
Application granted granted Critical
Publication of FR645384A publication Critical patent/FR645384A/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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/08—Disazo dyes from a coupling component "C" containing directive hydroxyl and amino groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR645384D 1926-12-10 1927-12-08 Improvements to the application of azo dyes Expired FR645384A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB645384X 1926-12-10

Publications (1)

Publication Number Publication Date
FR645384A true FR645384A (en) 1928-10-24

Family

ID=10489772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645384D Expired FR645384A (en) 1926-12-10 1927-12-08 Improvements to the application of azo dyes

Country Status (1)

Country Link
FR (1) FR645384A (en)

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