FR2117044A5 - - Google Patents

Info

Publication number
FR2117044A5
FR2117044A5 FR7135605A FR7135605A FR2117044A5 FR 2117044 A5 FR2117044 A5 FR 2117044A5 FR 7135605 A FR7135605 A FR 7135605A FR 7135605 A FR7135605 A FR 7135605A FR 2117044 A5 FR2117044 A5 FR 2117044A5
Authority
FR
France
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
Application number
FR7135605A
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.)
Veba Oel AG
GEA Group AG
Original Assignee
Veba Oel AG
Metallgesellschaft 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 Veba Oel AG, Metallgesellschaft AG filed Critical Veba Oel AG
Application granted granted Critical
Publication of FR2117044A5 publication Critical patent/FR2117044A5/fr
Expired legal-status Critical Current

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)
FR7135605A 1970-12-12 1971-10-04 Expired FR2117044A5 (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
FR2117044A5 true FR2117044A5 (fr) 1972-07-21

Family

ID=5790839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135605A Expired FR2117044A5 (fr) 1970-12-12 1971-10-04

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
BE776578A (fr) 1972-04-04
ES395784A1 (es) 1974-10-01
GB1354950A (en) 1974-06-05
DE2061336B2 (fr) 1974-10-03
BR7108220D0 (pt) 1973-07-19
AT310138B (de) 1973-09-25
DE2061336C3 (de) 1975-05-22
AU3651271A (en) 1973-06-14
NL7111905A (fr) 1972-06-14
DE2061336A1 (fr) 1972-06-15
SE400969B (sv) 1978-04-17
US3873577A (en) 1975-03-25
IT943822B (it) 1973-04-10
ZA717813B (en) 1972-08-30
AU469653B2 (en) 1976-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse