ES497258A0 - Procedimiento para la obtencion de colorantes poliazoicos - Google Patents

Procedimiento para la obtencion de colorantes poliazoicos

Info

Publication number: ES497258A0
Authority: ES; Spain
Prior art keywords: procedure; obtaining; polyazoic; dyes; polyazoic dyes
Prior art date: 1979-11-29
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.): Granted

Application number

ES497258A

Other languages

English (en)

Other versions

ES8200134A1 (es

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.)

Bayer AG

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.)

1979-11-29

Filing date

1980-11-28

Publication date

1981-10-16

1980-11-28 Application filed by Bayer AG filed Critical Bayer AG

1981-10-16 Publication of ES8200134A1 publication Critical patent/ES8200134A1/es

1981-10-16 Publication of ES497258A0 publication Critical patent/ES497258A0/es

Status Granted legal-status Critical Current

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
- C09B43/08—Preparation of azo dyes from other azo compounds by reduction
- C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge

Landscapes

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

ES497258A 1979-11-29 1980-11-28 Procedimiento para la obtencion de colorantes poliazoicos Granted ES497258A0 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792948022 DE2948022A1 (de)	1979-11-29	1979-11-29	Polyazofarbstoffe, verfahren zu ihrer herstellung und ihre verwendung zum faerben von vegetabilischen fasermaterialien und leder

Publications (2)

Publication Number	Publication Date
ES8200134A1 ES8200134A1 (es)	1981-10-16
ES497258A0 true ES497258A0 (es)	1981-10-16

Family

ID=6087138

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES497258A Granted ES497258A0 (es)	1979-11-29	1980-11-28	Procedimiento para la obtencion de colorantes poliazoicos

Country Status (7)

Country	Link
US (1)	US4387050A (es)
EP (1)	EP0029950B1 (es)
JP (1)	JPS5686956A (es)
BR (1)	BR8007808A (es)
DE (2)	DE2948022A1 (es)
ES (1)	ES497258A0 (es)
IN (1)	IN154928B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2076971T3 (es) *	1988-07-22	1995-11-16	Ciba Geigy Ag	Colorantes triazoicos y procedimiento para la tintura del papel.
JP3680323B2 (ja) *	1993-10-14	2005-08-10	住友化学株式会社	染料系偏光膜
US5562745A (en) *	1994-03-16	1996-10-08	Minnesota Mining And Manufacturing Company	Abrasive articles, methods of making abrasive articles, and methods of using abrasive articles
TW572970B (en) *	2000-11-27	2004-01-21	Sumitomo Chemical Co	Polyazo compound or salt thereof and dye-based polarization film containing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1290363A (fr) *	1960-03-09	1962-04-13	Ciba Geigy	Couches photographiques pour le procédé de blanchiment des images argentiques colorées
CH400417A (de) *	1960-04-08	1965-10-15	Sandoz Ag	Verfahren zur Herstellung von Disazofarbstoffen
FR2123154B1 (es) *	1971-01-26	1973-11-30	Ugine Kuhlmann
GB1569259A (en) *	1975-11-20	1980-06-11	Ici Ltd	Concentrated aqueous solutions of disazo dyes

1979
- 1979-11-29 DE DE19792948022 patent/DE2948022A1/de not_active Withdrawn
1980
- 1980-10-27 IN IN775/DEL/80A patent/IN154928B/en unknown
- 1980-11-07 US US06/204,985 patent/US4387050A/en not_active Expired - Lifetime
- 1980-11-15 EP EP80107099A patent/EP0029950B1/de not_active Expired
- 1980-11-15 DE DE8080107099T patent/DE3062781D1/de not_active Expired
- 1980-11-26 JP JP16542680A patent/JPS5686956A/ja active Pending
- 1980-11-28 ES ES497258A patent/ES497258A0/es active Granted
- 1980-11-28 BR BR8007808A patent/BR8007808A/pt unknown

Also Published As

Publication number	Publication date
US4387050A (en)	1983-06-07
DE2948022A1 (de)	1981-06-04
EP0029950B1 (de)	1983-04-13
IN154928B (es)	1984-12-22
DE3062781D1 (en)	1983-05-19
JPS5686956A (en)	1981-07-15
ES8200134A1 (es)	1981-10-16
BR8007808A (pt)	1981-06-16
EP0029950A1 (de)	1981-06-10

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