DE69020572D1 - Verfahren zur entfernung von chloropren aus 1,2-dichlorethan. - Google Patents

Verfahren zur entfernung von chloropren aus 1,2-dichlorethan.

Info

Publication number: DE69020572D1
Authority: DE; Germany
Prior art keywords: dichlorethane; chloroprene; removing chloroprene
Prior art date: 1989-04-28
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

DE69020572T

Other languages

English (en)

Other versions

DE69020572T2 (de

Inventor

Kenji Shirai

Seiji Nagae

Tadashi Naito

Atsushi Shirai

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.)

Mitsui Chemicals Inc

Original Assignee

Mitsui Toatsu Chemicals Inc

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.)

1989-04-28

Filing date

1990-07-20

Publication date

1995-08-03

1990-07-20 Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc

1995-08-03 Application granted granted Critical

1995-08-03 Publication of DE69020572D1 publication Critical patent/DE69020572D1/de

1996-01-04 Publication of DE69020572T2 publication Critical patent/DE69020572T2/de

2010-07-21 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/395—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/09—Plural feed

Landscapes

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

DE69020572T 1989-04-28 1990-07-20 Verfahren zur entfernung von chloropren aus 1,2-dichlorethan. Expired - Fee Related DE69020572T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP1107491A JP2716520B2 (ja)	1989-04-28	1989-04-28	１．２ジクロルエタン中のクロロプレンの除去方法
PCT/JP1990/000935 WO1992001659A1 (en)	1989-04-28	1990-07-20	Method of removing chloroprene contained in 1,2-dichloroethane

Publications (2)

Publication Number	Publication Date
DE69020572D1 true DE69020572D1 (de)	1995-08-03
DE69020572T2 DE69020572T2 (de)	1996-01-04

Family

ID=14460556

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69020572T Expired - Fee Related DE69020572T2 (de)	1989-04-28	1990-07-20	Verfahren zur entfernung von chloropren aus 1,2-dichlorethan.

Country Status (5)

Country	Link
US (1)	US5122235A (de)
EP (1)	EP0493594B1 (de)
JP (1)	JP2716520B2 (de)
DE (1)	DE69020572T2 (de)
WO (1)	WO1992001659A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0477440A (ja) *	1990-07-20	1992-03-11	Mitsui Toatsu Chem Inc	１，２―ジクロルエタン中のクロロプレン除去方法
US5537029A (en) *	1992-02-21	1996-07-16	Abb Power T&D Company Inc.	Method and apparatus for electronic meter testing
US5507921A (en) *	1994-12-14	1996-04-16	Westlake Monomers Corporation	Method for quenching a gas stream in the production of vinyl chloride monomer
JP4691771B2 (ja) *	2000-10-11	2011-06-01	東ソー株式会社	高純度１，２−ジクロルエタンの回収方法
CN104474730B (zh) *	2014-11-20	2016-09-21	新疆中泰化学股份有限公司	高沸物专用vcm精馏分离装置及分离方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2752297A (en) *	1952-03-08	1956-06-26	Velsicol Chemical Corp	Method of removing hexachlorocyclopentadiene from impurities
US2748176A (en) *	1952-08-23	1956-05-29	Monsanto Chemicals	Purification of dichloroethane
US2933539A (en) *	1958-04-23	1960-04-19	Exxon Research Engineering Co	Fractionation of cyclodiene monomer vapors
US3017331A (en) *	1959-04-15	1962-01-16	Chemstrand Corp	Method for the purification of hexamethylenediamine
DE1242594B (de) *	1965-09-11	1967-06-22	Knapsack Ag	Verfahren zur Herstellung von Vinylchlorid durch unvollstaendige thermische Spaltung von 1, 2-Dichloraethan
US3397120A (en) *	1967-01-13	1968-08-13	Exxon Research Engineering Co	Purification of dihydroisophorone by plural distillation and isomerization
DE1668336B1 (de) *	1967-08-25	1971-04-22	Knapsack Ag	Verfahren zur Verminderung des Gehaltes an 2-Chlorbutadien-(1,3) und Benzol in 1,2-Dichloraethan,das bei der thermischen Spaltung zu Vinylchlorid zurueckgewonnen worden ist
JPS5037643B1 (de) *	1970-12-30	1975-12-04
US4252749A (en) *	1975-11-19	1981-02-24	Stauffer Chemical Company	Production of 1,2-dichloroethane with purification of dichloroethane recycle
US4145367A (en) *	1975-02-06	1979-03-20	The Dow Chemical Company	Process for purifying 1,2-dichloroethane
JPS5924968B2 (ja) *	1975-04-24	1984-06-13	株式会社トクヤマ	ジクロルエタンの精製方法
US4060460A (en) *	1975-05-22	1977-11-29	Allied Chemical Corporation	Removal of chloroprenes from ethylene dichloride
DE2754891C3 (de) *	1977-12-09	1981-02-26	Wacker-Chemie Gmbh, 8000 Muenchen	Verfahren zur Reinigung von nichtumgesetztem 1.2-Dichloräthan aus der Vinylchloridherstellung

1989
- 1989-04-28 JP JP1107491A patent/JP2716520B2/ja not_active Expired - Lifetime
1990
- 1990-07-20 EP EP90910907A patent/EP0493594B1/de not_active Expired - Lifetime
- 1990-07-20 WO PCT/JP1990/000935 patent/WO1992001659A1/ja active IP Right Grant
- 1990-07-20 DE DE69020572T patent/DE69020572T2/de not_active Expired - Fee Related
- 1990-07-20 US US07/555,497 patent/US5122235A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH02286629A (ja)	1990-11-26
JP2716520B2 (ja)	1998-02-18
DE69020572T2 (de)	1996-01-04
EP0493594B1 (de)	1995-06-28
WO1992001659A1 (en)	1992-02-06
EP0493594A1 (de)	1992-07-08
US5122235A (en)	1992-06-16
EP0493594A4 (en)	1993-07-07

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Legal Events

Date	Code	Title	Description
1996-07-25	8364	No opposition during term of opposition
2000-01-20	8327	Change in the person/name/address of the patent owner	Owner name: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP
2004-06-09	8339	Ceased/non-payment of the annual fee