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
Other languages
English (en)
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 (OSRAM) 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 (OSRAM)

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 (de) * 1996-11-26 1998-05-28 Basf Ag Polyazofarbstoffe

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
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
EP0253932A1 (en) * 1985-08-16 1988-01-27 Atul Products Limited A water soluble direct black polyazo dyestuffs mixture

Also Published As

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

Similar Documents

Publication Publication Date Title
FR2259429B3 (OSRAM)
FR2260766B1 (OSRAM)
DK17275A (OSRAM)
AU495930B2 (OSRAM)
FR2258999B3 (OSRAM)
AU485022B2 (OSRAM)
DE2423952A1 (OSRAM)
AU7465674A (OSRAM)
BG20502A1 (OSRAM)
BG20420A1 (OSRAM)
DD114366A1 (OSRAM)
DD113369A1 (OSRAM)
CH595402A5 (OSRAM)
CH593719A5 (OSRAM)
CH593360B5 (OSRAM)
CH590602A5 (OSRAM)
CH589915A5 (OSRAM)
CH588911A5 (OSRAM)
CH588276A5 (OSRAM)
CH579712A5 (OSRAM)
BG20682A1 (OSRAM)
BG20669A1 (OSRAM)
BG20657A1 (OSRAM)
BG20639A1 (OSRAM)
BG20001A1 (OSRAM)