BE776577A - Procede pour l'obtention d'anhydride maleique pur - Google Patents

Procede pour l'obtention d'anhydride maleique pur

Info

Publication number: BE776577A
Authority: BE; Belgium
Prior art keywords: maleic anhydride; obtaining pure; pure maleic; obtaining; anhydride
Prior art date: 1970-12-12

Application number

BE776577A

Other languages

English (en)

Inventor

O L Garkisch

G Ibing

G Kammholz

H Schirrmacher

K Lohbeck

Original Assignee

Metallgesellschaft Ag

Veba Chemie 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.)

1970-12-12

Filing date

1971-12-10

Publication date

1972-04-04

1971-12-10 Application filed by Metallgesellschaft Ag, Veba Chemie Ag filed Critical Metallgesellschaft Ag

1972-04-04 Publication of BE776577A publication Critical patent/BE776577A/fr

Links

FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Furan Compounds (AREA)

BE776577A 1970-12-12 1971-12-10 Procede pour l'obtention d'anhydride maleique pur BE776577A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2061335A DE2061335C3 (de)	1970-12-12	1970-12-12	Verfahren zur Gewinnung von reinem Maleinsäureanhydrid

Publications (1)

Publication Number	Publication Date
BE776577A true BE776577A (fr)	1972-04-04

Family

ID=5790838

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE776577A BE776577A (fr)	1970-12-12	1971-12-10	Procede pour l'obtention d'anhydride maleique pur

Country Status (13)

Country	Link
US (1)	US3865849A (fr)
AT (1)	AT310137B (fr)
AU (1)	AU462471B2 (fr)
BE (1)	BE776577A (fr)
BR (1)	BR7108221D0 (fr)
DE (1)	DE2061335C3 (fr)
ES (1)	ES395783A1 (fr)
FR (1)	FR2117043A5 (fr)
GB (1)	GB1354949A (fr)
IT (1)	IT943823B (fr)
NL (1)	NL173402B (fr)
SE (1)	SE396747B (fr)
ZA (1)	ZA717814B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1424747A (en) *	1973-08-28	1976-02-11	Ucb Sa	Method and apparatus for the continuous dehydration of maleic acid
DE2750284A1 (de) *	1977-11-10	1979-05-17	Bayer Ag	Verfahren zur gewinnung von maleinsaeureanhydrid aus destillationsrueckstaenden
DE2910385C2 (de) *	1979-03-16	1982-10-21	Davy McKee AG, 6000 Frankfurt	Verfahren zur Absaugung von Gasen und Dämpfen im Zuge der Maleinsäureanhydrid-Gewinnung
US5929255A (en) *	1996-07-11	1999-07-27	Bp Amoco Corporation	Process for coproducing fumaric acid and maleic anhydride
US5972174A (en) *	1998-01-13	1999-10-26	Huntsman Petrochemical Corporation	Process for the purification of maleic anhydride
DE10038114A1 (de) *	2000-08-04	2002-02-21	Bat Cigarettenfab Gmbh	Verfahren und Vorrichtung zur Konditionierung von zerkleinerten Tabakmaterialien

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3169976A (en) *		1965-02-16		Production of pure ualeic anhydride
US2340490A (en) *	1939-03-27	1944-02-01	Solvay Process Co	Dehydration of maleic acid

1970
- 1970-12-12 DE DE2061335A patent/DE2061335C3/de not_active Expired
1971
- 1971-08-03 AT AT675071A patent/AT310137B/de not_active IP Right Cessation
- 1971-08-30 NL NLAANVRAGE7111906,A patent/NL173402B/xx not_active Application Discontinuation
- 1971-10-04 FR FR7135604A patent/FR2117043A5/fr not_active Expired
- 1971-10-06 ES ES395783A patent/ES395783A1/es not_active Expired
- 1971-11-18 SE SE7114785A patent/SE396747B/xx unknown
- 1971-11-19 ZA ZA717814A patent/ZA717814B/xx unknown
- 1971-12-03 GB GB5627971A patent/GB1354949A/en not_active Expired
- 1971-12-06 AU AU36511/71A patent/AU462471B2/en not_active Expired
- 1971-12-10 BE BE776577A patent/BE776577A/fr unknown
- 1971-12-10 IT IT32223/71A patent/IT943823B/it active
- 1971-12-10 BR BR008221/71A patent/BR7108221D0/pt unknown
- 1971-12-13 US US207025A patent/US3865849A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
NL7111906A (fr)	1972-06-14
IT943823B (it)	1973-04-10
GB1354949A (en)	1974-06-05
ES395783A1 (es)	1974-10-01
US3865849A (en)	1975-02-11
AT310137B (de)	1973-09-25
NL173402B (nl)	1983-08-16
BR7108221D0 (pt)	1973-09-06
FR2117043A5 (fr)	1972-07-21
SE396747B (sv)	1977-10-03
AU3651171A (en)	1973-06-14
AU462471B2 (en)	1975-06-26
DE2061335B2 (de)	1974-11-14
DE2061335C3 (de)	1975-07-17
ZA717814B (en)	1972-10-25
DE2061335A1 (de)	1972-06-15

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