DE2411101A1 - Verfahren zur herstellung von reinem maleinsaeureanhydrid - Google Patents

Verfahren zur herstellung von reinem maleinsaeureanhydrid

Info

Publication number
DE2411101A1
DE2411101A1 DE2411101A DE2411101A DE2411101A1 DE 2411101 A1 DE2411101 A1 DE 2411101A1 DE 2411101 A DE2411101 A DE 2411101A DE 2411101 A DE2411101 A DE 2411101A DE 2411101 A1 DE2411101 A1 DE 2411101A1
Authority
DE
Germany
Prior art keywords
column
maleic acid
water
production
xylene
Prior art date
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.)
Ceased
Application number
DE2411101A
Other languages
German (de)
English (en)
Inventor
Herbert Dipl Chem Haferkorn
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
Original Assignee
Veba Oel 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 filed Critical Veba Oel AG
Priority to DE2411101A priority Critical patent/DE2411101A1/de
Priority to ES435355A priority patent/ES435355A1/es
Priority to IT20968/75A priority patent/IT1033457B/it
Priority to BE154061A priority patent/BE826359A/xx
Priority to GB964875A priority patent/GB1441380A/en
Priority to FR7507304A priority patent/FR2263245B1/fr
Priority to US05/556,240 priority patent/US4017520A/en
Publication of DE2411101A1 publication Critical patent/DE2411101A1/de
Ceased 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
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2411101A 1974-03-08 1974-03-08 Verfahren zur herstellung von reinem maleinsaeureanhydrid Ceased DE2411101A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE2411101A DE2411101A1 (de) 1974-03-08 1974-03-08 Verfahren zur herstellung von reinem maleinsaeureanhydrid
ES435355A ES435355A1 (es) 1974-03-08 1975-03-06 Procedimiento para la preparacion de anhidrido de acido ma-leico puro.
IT20968/75A IT1033457B (it) 1974-03-08 1975-03-06 Procedimento per produrre anidridi maleica pura
BE154061A BE826359A (fr) 1974-03-08 1975-03-06 Procede de preparation d'anhydride d'acide maleique pur
GB964875A GB1441380A (en) 1974-03-08 1975-03-07 Process for the production of maleic anhydride
FR7507304A FR2263245B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-03-08 1975-03-07
US05/556,240 US4017520A (en) 1974-03-08 1975-03-07 Production of maleic anhydride by azeotropic dehydration of maleic acid solutions derived from benzene oxidation processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2411101A DE2411101A1 (de) 1974-03-08 1974-03-08 Verfahren zur herstellung von reinem maleinsaeureanhydrid

Publications (1)

Publication Number Publication Date
DE2411101A1 true DE2411101A1 (de) 1975-09-18

Family

ID=5909461

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2411101A Ceased DE2411101A1 (de) 1974-03-08 1974-03-08 Verfahren zur herstellung von reinem maleinsaeureanhydrid

Country Status (7)

Country Link
US (1) US4017520A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE826359A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2411101A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES435355A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2263245B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1441380A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1033457B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4954566A (en) * 1989-05-04 1990-09-04 Westvaco Corporation Preparation of polymers with pendant organic moieties bound thereto via ester and/or amide bridges

Family Cites Families (2)

* 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
GB869297A (en) * 1957-09-19 1961-05-31 Yawata Iron & Steel Co Continuous purification of crude maleic anhydride

Also Published As

Publication number Publication date
US4017520A (en) 1977-04-12
FR2263245B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-04-13
IT1033457B (it) 1979-07-10
GB1441380A (en) 1976-06-30
ES435355A1 (es) 1976-12-01
FR2263245A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-10-03
BE826359A (fr) 1975-06-30

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
8110 Request for examination paragraph 44
8131 Rejection