FR2833009B1 - Procede d'extraction de solutions de cetazine - Google Patents

Procede d'extraction de solutions de cetazine

Info

Publication number: FR2833009B1
Authority: FR; France
Prior art keywords: cetazine; extracting; solutions; extracting cetazine; cetazine solutions
Prior art date: 2001-12-03
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.): Expired - Fee Related

Application number

FR0215221A

Other languages

English (en)

Other versions

FR2833009A1 (fr

Inventor

Ottfried Schlak

Hans-Georg Adams

Johannes Kaulen

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.)

2001-12-03

Filing date

2002-12-03

Publication date

2005-02-25

2002-12-03 Application filed by Bayer AG filed Critical Bayer AG

2003-06-06 Publication of FR2833009A1 publication Critical patent/FR2833009A1/fr

2005-02-25 Application granted granted Critical

2005-02-25 Publication of FR2833009B1 publication Critical patent/FR2833009B1/fr

2022-12-03 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/72—Hydrazones
- C07C251/88—Hydrazones having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FR0215221A 2001-12-03 2002-12-03 Procede d'extraction de solutions de cetazine Expired - Fee Related FR2833009B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE10159265		2001-12-03

Publications (2)

Publication Number	Publication Date
FR2833009A1 FR2833009A1 (fr)	2003-06-06
FR2833009B1 true FR2833009B1 (fr)	2005-02-25

Family

ID=7707837

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR0215221A Expired - Fee Related FR2833009B1 (fr)	2001-12-03	2002-12-03	Procede d'extraction de solutions de cetazine

Country Status (5)

Country	Link
US (1)	US6818794B2 (fr)
JP (1)	JP4580616B2 (fr)
CN (1)	CN1249021C (fr)
DE (1)	DE10254119A1 (fr)
FR (1)	FR2833009B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101921213B (zh) *	2010-08-27	2013-07-10	黎明化工研究院	一种过氧化氢氧化法合成酮连氮的方法
US20160115106A1 (en) *	2014-10-22	2016-04-28	Axiall Ohio, Inc.	Stabilization of Chlorinated Olefins
EP3263627B1 (fr) *	2016-06-28	2020-08-12	Covestro Deutschland AG	Systeme de separation par distillation de cetazine a partir de dispersion de polyurethane

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1273503B (de)	1966-12-17	1968-07-25	Bayer Ag	Verfahren zur Aufbereitung von Hydrazin aus waessrigen Ketazinloesungen
DE1282617B (de)	1966-12-17	1968-11-14	Bayer Ag	Verfahren zur Aufbereitung von Hydrazin aus waessrigen Ketazinloesungen
FR1547243A (fr) *	1966-12-17	1968-11-22	Bayer Ag	Procédé pour la préparation de l'hydrazine
FR1547242A (fr) *	1966-12-17	1968-11-22	Bayer Ag	Procédé de préparation de l'hydrazine
GB1191630A (en)	1966-12-22	1970-05-13	Fisons Ind Chemicals Ltd	Hydrazine Process
DE2056357A1 (de) *	1970-11-17	1972-05-18	Farbenfabriken Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Reaktionsprodukten aus Hydrazin und Carbonylverbindungen
DE2436335A1 (de) *	1974-07-27	1976-02-05	Bayer Ag	Verfahren zur aufbereitung von syntheseloesungen bei der hydrazinherstellung
RO93341B1 (ro) *	1985-11-25	1988-01-31	Universitatea Babes Bolyai	Procedeu de obtinere a sulfatului de hidrazina
JP3237682B2 (ja) *	1993-06-29	2001-12-10	三菱瓦斯化学株式会社	ヒドラジンの回収方法

2002
- 2002-11-20 DE DE10254119A patent/DE10254119A1/de not_active Withdrawn
- 2002-11-26 JP JP2002341894A patent/JP4580616B2/ja not_active Expired - Fee Related
- 2002-11-27 US US10/305,458 patent/US6818794B2/en not_active Expired - Fee Related
- 2002-12-03 CN CN02154003.9A patent/CN1249021C/zh not_active Expired - Fee Related
- 2002-12-03 FR FR0215221A patent/FR2833009B1/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JP4580616B2 (ja)	2010-11-17
CN1422842A (zh)	2003-06-11
DE10254119A1 (de)	2003-06-18
CN1249021C (zh)	2006-04-05
JP2003201273A (ja)	2003-07-18
US20030105355A1 (en)	2003-06-05
FR2833009A1 (fr)	2003-06-06
US6818794B2 (en)	2004-11-16

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Legal Events

Date	Code	Title	Description
2008-11-21	TP	Transmission of property
2013-09-27	ST	Notification of lapse	Effective date: 20130830