IT946159B - AZOCOLORANTS AND PROCEDURE FOR THEIR PREPARATION - Google Patents

AZOCOLORANTS AND PROCEDURE FOR THEIR PREPARATION

Info

Publication number: IT946159B
Authority: IT; Italy
Prior art keywords: azocolorants; procedure; preparation
Prior art date: 1970-12-24

Application number

IT3282671A

Other languages

Italian (it)

Original Assignee

Bayer Ag

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.)

1970-12-24

Filing date

1971-12-22

Publication date

1973-05-21

1970-12-24 Priority claimed from DE19702063717 external-priority patent/DE2063717A1/en

1971-05-03 Priority claimed from DE19712121671 external-priority patent/DE2121671A1/en

1971-06-18 Priority claimed from DE19712130027 external-priority patent/DE2130027C3/en

1971-12-22 Application filed by Bayer Ag filed Critical Bayer Ag

1973-05-21 Application granted granted Critical

1973-05-21 Publication of IT946159B publication Critical patent/IT946159B/en

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
- C09B41/00—Special methods of performing the coupling reaction
- C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
- 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
- C09B35/02—Disazo dyes
- C09B35/021—Disazo dyes characterised by two coupling components of the same type
- C09B35/027—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy-amino compound
- 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
- C09B41/00—Special methods of performing the coupling reaction
- C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
- C09B41/004—Special methods of performing the coupling reaction characterised by the coupling medium containing a reaction assistant, e.g. urea

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)

IT3282671A 1970-12-24 1971-12-22 AZOCOLORANTS AND PROCEDURE FOR THEIR PREPARATION IT946159B (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE19702063717 DE2063717A1 (en)	1970-12-24	1970-12-24	Azo dyes - by acid coupling in presence of low - mol with aliphatic amides
DE19712121671 DE2121671A1 (en)	1971-05-03	1971-05-03	Process for the production of azo dyes
DE19712130027 DE2130027C3 (en)	1971-06-18	1971-06-18	Monoazo dyes

Publications (1)

Publication Number	Publication Date
IT946159B true IT946159B (en)	1973-05-21

Family

ID=27183074

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT3282671A IT946159B (en)	1970-12-24	1971-12-22	AZOCOLORANTS AND PROCEDURE FOR THEIR PREPARATION

Country Status (6)

Country	Link
BE (1)	BE777257A (en)
CH (3)	CH596262A5 (en)
FR (2)	FR2119078A1 (en)
GB (1)	GB1373928A (en)
IT (1)	IT946159B (en)
NL (1)	NL7117675A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2244991A1 (en) *	1972-09-14	1974-03-21	Bayer Ag	PROCESS FOR THE MANUFACTURING OF TETRAKIS AZO DYES
DE2712170C2 (en) *	1977-03-19	1984-10-25	Bayer Ag, 5090 Leverkusen	Azo dyes
DE2728073C2 (en) *	1977-06-22	1984-09-27	Bayer Ag, 5090 Leverkusen	Water-soluble monoazo dyes
DE2847532C3 (en) *	1978-11-02	1981-08-06	Bayer Ag, 5090 Leverkusen	Process for the production of azo dyes
EP0048692B1 (en) *	1980-09-19	1984-04-18	Ciba-Geigy Ag	Azo coupling process
US4618674A (en) *	1983-12-30	1986-10-21	Dellian Kurt A	Red-1-(cyanophenylazo- or cyano, halophenylazo)-2-amino-8-hydroxynaphthalene-6 sulfonic acid dyestuffs

1971
- 1971-12-22 NL NL7117675A patent/NL7117675A/xx unknown
- 1971-12-22 CH CH1136674A patent/CH596262A5/xx not_active IP Right Cessation
- 1971-12-22 IT IT3282671A patent/IT946159B/en active
- 1971-12-22 CH CH908876A patent/CH606317A5/xx not_active IP Right Cessation
- 1971-12-22 CH CH1743572A patent/CH580671A5/xx not_active IP Right Cessation
- 1971-12-23 GB GB5993571A patent/GB1373928A/en not_active Expired
- 1971-12-24 FR FR7146534A patent/FR2119078A1/fr not_active Withdrawn
- 1971-12-24 BE BE777257A patent/BE777257A/en unknown
1975
- 1975-01-23 FR FR7502176A patent/FR2244796A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
CH606317A5 (en)	1978-10-31
NL7117675A (en)	1972-06-27
BE777257A (en)	1972-06-26
CH596262A5 (en)	1978-03-15
FR2119078A1 (en)	1972-08-04
GB1373928A (en)	1974-11-13
FR2244796A1 (en)	1975-04-18
CH580671A5 (en)	1976-10-15

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