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CA528484A - Azo dyes for cellulosic fibers - Google Patents

Azo dyes for cellulosic fibers

Info

Publication number
CA528484A
CA528484A CA528484A CA528484DA CA528484A CA 528484 A CA528484 A CA 528484A CA 528484 A CA528484 A CA 528484A CA 528484D A CA528484D A CA 528484DA CA 528484 A CA528484 A CA 528484A
Authority
CA
Canada
Prior art keywords
cellulosic fibers
azo dyes
azo
dyes
cellulosic
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
CA528484A
Other languages
French (fr)
Inventor
Richter Ludwig
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film 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.)
Publication date
Application granted granted Critical
Publication of CA528484A publication Critical patent/CA528484A/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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/14—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with phosgene or thiophosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CA528484A 1950-06-28 Azo dyes for cellulosic fibers Expired CA528484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US170950A US2666757A (en) 1950-06-28 1950-06-28 Azo dyes for cellulosic fibers

Publications (1)

Publication Number Publication Date
CA528484A true CA528484A (en) 1956-07-31

Family

ID=22621942

Family Applications (1)

Application Number Title Priority Date Filing Date
CA528484A Expired CA528484A (en) 1950-06-28 Azo dyes for cellulosic fibers

Country Status (3)

Country Link
US (1) US2666757A (en)
CA (1) CA528484A (en)
IT (1) IT491804A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936305A (en) * 1956-11-29 1960-05-10 Sandoz Ag Water-insoluble disazo dyestuffs
CH478952A (en) * 1967-10-25 1969-11-14 Sandoz Ag Process for dyeing or printing synthetic polyamide fibers
US3621008A (en) * 1968-10-03 1971-11-16 Du Pont Direct disazo and tetraazo urea dyes and method of preparation
CH565896A5 (en) * 1971-02-05 1975-08-29 Sandoz Ag

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US935018A (en) * 1909-05-04 1909-09-28 Farbenfab Vorm Bayer F & Co Azo dye.
CH49515A (en) * 1909-05-07 1911-03-01 Farbenfab Vorm Bayer F & Co Process for the preparation of an orange cotton dye
GB191021202A (en) * 1910-09-12 1911-07-20 Philip Arthur Newton Manufacture and Production of New Azodyestuffs.
US999944A (en) * 1911-04-25 1911-08-08 Farbenfab Vorm Bayer F & Co Yellow disazo dye.
US1538934A (en) * 1924-04-28 1925-05-26 Nat Aniline & Chem Co Inc Disazo dyes containing a diphenylurea nucleus

Also Published As

Publication number Publication date
IT491804A (en)
US2666757A (en) 1954-01-19

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