CH556895A - PROCESS FOR THE MANUFACTURING OF DISAZO DYES. - Google Patents

PROCESS FOR THE MANUFACTURING OF DISAZO DYES.

Info

Publication number: CH556895A
Authority: CH; Switzerland
Prior art keywords: manufacturing; disazo dyes; disazo; dyes
Prior art date: 1969-05-17

Application number

CH63772A

Other languages

German (de)

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.)

1969-05-17

Filing date

1970-04-23

Publication date

1974-12-13

1970-04-23 Application filed by Bayer Ag filed Critical Bayer Ag

1974-12-13 Publication of CH556895A publication Critical patent/CH556895A/en

Links

LCZPIYCNOWJWPQ-UHFFFAOYSA-I disodium;chromium(3+);1-[(2-oxidonaphthalen-1-yl)diazenyl]-4-sulfonaphthalen-2-olate;3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate Chemical compound [Na+].[Na+].[Cr+3].C12=CC=CC=C2C(S(=O)(=O)O)=CC([O-])=C1N=NC1=C([O-])C=CC2=CC=CC=C12.C1=CC=C2C(N=NC3=C4C=CC=CC4=CC=C3[O-])=C([O-])C=C(S([O-])(=O)=O)C2=C1 LCZPIYCNOWJWPQ-UHFFFAOYSA-I 0.000 title 1
239000000975 dye Substances 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

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
- C09B31/025—Disazo dyes containing acid groups, e.g. -COOH, -SO3H, -PO3H2, -OSO3H, -OPO2H2; Salts thereof

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Coloring (AREA)

CH63772A 1969-05-17 1970-04-23 PROCESS FOR THE MANUFACTURING OF DISAZO DYES. CH556895A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19691925288 DE1925288B2 (en)	1969-05-17	1969-05-17	SULPHONIC ACID GROUP-FREE DISAZO DYES, THEIR PRODUCTION AND USE FOR COLORING NITROGEN FIBER MATERIALS

Publications (1)

Publication Number	Publication Date
CH556895A true CH556895A (en)	1974-12-13

Family

ID=5734489

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH63772A CH556895A (en)	1969-05-17	1970-04-23	PROCESS FOR THE MANUFACTURING OF DISAZO DYES.

Country Status (7)

Country	Link
JP (1)	JPS4811207B1 (en)
BE (1)	BE750483A (en)
CH (1)	CH556895A (en)
DE (1)	DE1925288B2 (en)
FR (1)	FR2042719B1 (en)
GB (1)	GB1264071A (en)
NL (1)	NL7006936A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4166059A (en) *	1971-04-02	1979-08-28	Crompton & Knowles Corporation	Alkali-fast disazo disulfimide dyes
BE786066A (en) *	1971-07-10	1973-01-10	Bayer Ag	DISAZOIC DYES
DE2308723C2 (en) *	1973-02-22	1982-10-28	Bayer Ag, 5090 Leverkusen	Disazo dyes and processes for dyeing and printing
DE2557410C2 (en) *	1975-12-19	1984-11-08	Bayer Ag, 5090 Leverkusen	Disazo dyes

1969
- 1969-05-17 DE DE19691925288 patent/DE1925288B2/en active Granted
1970
- 1970-04-23 CH CH63772A patent/CH556895A/en not_active IP Right Cessation
- 1970-05-05 GB GB1264071D patent/GB1264071A/en not_active Expired
- 1970-05-13 JP JP4017870A patent/JPS4811207B1/ja active Pending
- 1970-05-13 NL NL7006936A patent/NL7006936A/xx unknown
- 1970-05-15 FR FR7017983A patent/FR2042719B1/fr not_active Expired
- 1970-05-15 BE BE750483D patent/BE750483A/en unknown

Also Published As

Publication number	Publication date
FR2042719B1 (en)	1974-08-09
BE750483A (en)	1970-10-16
DE1925288C3 (en)	1978-04-27
GB1264071A (en)	1972-02-16
NL7006936A (en)	1970-11-19
DE1925288B2 (en)	1977-08-18
FR2042719A1 (en)	1971-02-12
DE1925288A1 (en)	1970-11-26
JPS4811207B1 (en)	1973-04-11

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Legal Events

Date	Code	Title	Description
1980-02-15	PL	Patent ceased