BE776578A - Procede pour l'obtention de l'anhydride maleique pur - Google Patents

Procede pour l'obtention de l'anhydride maleique pur

Info

Publication number
BE776578A
BE776578A BE776578A BE776578A BE776578A BE 776578 A BE776578 A BE 776578A BE 776578 A BE776578 A BE 776578A BE 776578 A BE776578 A BE 776578A BE 776578 A BE776578 A BE 776578A
Authority
BE
Belgium
Prior art keywords
maleic anhydride
obtaining pure
pure maleic
obtaining
anhydride
Prior art date
Application number
BE776578A
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.)
Filing date
Publication date
Application filed by Metallgesellschaft Ag, Veba Chemie Ag filed Critical Metallgesellschaft Ag
Publication of BE776578A publication Critical patent/BE776578A/fr

Links

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)
BE776578A 1970-12-12 1971-12-10 Procede pour l'obtention de l'anhydride maleique pur BE776578A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2061336A DE2061336C3 (de) 1970-12-12 1970-12-12 Verfahren zur Gewinnung von reinem Maleinsäureanhydrid

Publications (1)

Publication Number Publication Date
BE776578A true BE776578A (fr) 1972-04-04

Family

ID=5790839

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776578A BE776578A (fr) 1970-12-12 1971-12-10 Procede pour l'obtention de l'anhydride maleique pur

Country Status (13)

Country Link
US (1) US3873577A (fr)
AT (1) AT310138B (fr)
AU (1) AU469653B2 (fr)
BE (1) BE776578A (fr)
BR (1) BR7108220D0 (fr)
DE (1) DE2061336C3 (fr)
ES (1) ES395784A1 (fr)
FR (1) FR2117044A5 (fr)
GB (1) GB1354950A (fr)
IT (1) IT943822B (fr)
NL (1) NL7111905A (fr)
SE (1) SE400969B (fr)
ZA (1) ZA717813B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2750284A1 (de) * 1977-11-10 1979-05-17 Bayer Ag Verfahren zur gewinnung von maleinsaeureanhydrid aus destillationsrueckstaenden
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2340490A (en) * 1939-03-27 1944-02-01 Solvay Process Co Dehydration of maleic acid
DE1443826A1 (de) * 1962-03-01 1969-09-18 Hoechst Ag Verfahren zur kontinuierlichen Wasserabspaltung aus organischen Verbindungen
GB1242320A (en) * 1968-01-30 1971-08-11 Ucb Union Chimiqu Chemische Be Process for the dehydration of maleic acid

Also Published As

Publication number Publication date
AU469653B2 (en) 1976-02-19
SE400969B (sv) 1978-04-17
DE2061336C3 (de) 1975-05-22
BR7108220D0 (pt) 1973-07-19
DE2061336B2 (fr) 1974-10-03
ZA717813B (en) 1972-08-30
NL7111905A (fr) 1972-06-14
US3873577A (en) 1975-03-25
FR2117044A5 (fr) 1972-07-21
IT943822B (it) 1973-04-10
ES395784A1 (es) 1974-10-01
AU3651271A (en) 1973-06-14
GB1354950A (en) 1974-06-05
DE2061336A1 (fr) 1972-06-15
AT310138B (de) 1973-09-25

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