USB444294I5 - - Google Patents

Info

Publication number
USB444294I5
USB444294I5 US44429474A USB444294I5 US B444294 I5 USB444294 I5 US B444294I5 US 44429474 A US44429474 A US 44429474A US B444294 I5 USB444294 I5 US B444294I5
Authority
US
United States
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.)
Pending
Application number
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 filed Critical
Priority to US05/444,294 priority Critical patent/US4013634A/en
Publication of USB444294I5 publication Critical patent/USB444294I5/en
Application granted granted Critical
Publication of US4013634A publication Critical patent/US4013634A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/50—Tetrazo dyes
    • C09B35/52—Tetrazo dyes of the type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Coloring (AREA)
US05/444,294 1974-02-21 1974-02-21 Tetraazo direct urea-derived dye having a core of h-acid, k-acid or s-acid Expired - Lifetime US4013634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/444,294 US4013634A (en) 1974-02-21 1974-02-21 Tetraazo direct urea-derived dye having a core of h-acid, k-acid or s-acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/444,294 US4013634A (en) 1974-02-21 1974-02-21 Tetraazo direct urea-derived dye having a core of h-acid, k-acid or s-acid

Publications (2)

Publication Number Publication Date
USB444294I5 true USB444294I5 (en) 1976-03-30
US4013634A US4013634A (en) 1977-03-22

Family

ID=23764305

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/444,294 Expired - Lifetime US4013634A (en) 1974-02-21 1974-02-21 Tetraazo direct urea-derived dye having a core of h-acid, k-acid or s-acid

Country Status (1)

Country Link
US (1) US4013634A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699628A (en) 1985-08-16 1987-10-13 The Atul Products Limited Process for the preparation of a water soluble direct green polyazo dyestuffs mixture in situ and water soluble direct green polyazo dyestuffs mixture obtained thereby
EP0253932A1 (en) * 1985-08-16 1988-01-27 Atul Products Limited A water soluble direct black polyazo dyestuffs mixture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648939A1 (en) * 1996-11-26 1998-05-28 Basf Ag Black or blue sulphonated poly:azo dyes and intermediate sulphon:amide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228415A (en) * 1938-06-04 1941-01-14 Du Pont Azo dyes
US2264681A (en) * 1939-09-06 1941-12-02 Du Pont Azo dyes
US2417306A (en) * 1942-12-22 1947-03-11 Geigy Ag J R Metallizable polyazo dyes from benzidine intermediates
US2842538A (en) * 1952-10-20 1958-07-08 Saul & Co Polyazo dyestuffs
US2885391A (en) * 1952-07-02 1959-05-05 Hoechst Ag Polyazo-dyestuffs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228415A (en) * 1938-06-04 1941-01-14 Du Pont Azo dyes
US2264681A (en) * 1939-09-06 1941-12-02 Du Pont Azo dyes
US2417306A (en) * 1942-12-22 1947-03-11 Geigy Ag J R Metallizable polyazo dyes from benzidine intermediates
US2885391A (en) * 1952-07-02 1959-05-05 Hoechst Ag Polyazo-dyestuffs
US2842538A (en) * 1952-10-20 1958-07-08 Saul & Co Polyazo dyestuffs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699628A (en) 1985-08-16 1987-10-13 The Atul Products Limited Process for the preparation of a water soluble direct green polyazo dyestuffs mixture in situ and water soluble direct green polyazo dyestuffs mixture obtained thereby
EP0253932A1 (en) * 1985-08-16 1988-01-27 Atul Products Limited A water soluble direct black polyazo dyestuffs mixture
EP0253933A1 (en) * 1985-08-16 1988-01-27 Atul Products Limited A process for the preparation of a water soluble direct green polyazo dyestuffs mixture in situ and water soluble direct green polyazo dyestuffs mixture obtained thereby

Also Published As

Publication number Publication date
US4013634A (en) 1977-03-22

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