ES375942A1 - Procedimiento de deshidratacion del acido maleico en anhi- drido maleico. - Google Patents

Procedimiento de deshidratacion del acido maleico en anhi- drido maleico.

Info

Publication number
ES375942A1
ES375942A1 ES375942A ES375942A ES375942A1 ES 375942 A1 ES375942 A1 ES 375942A1 ES 375942 A ES375942 A ES 375942A ES 375942 A ES375942 A ES 375942A ES 375942 A1 ES375942 A1 ES 375942A1
Authority
ES
Spain
Prior art keywords
maleic acid
stage
maleic anhydride
maleic
aqueous solution
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.)
Expired
Application number
ES375942A
Other languages
English (en)
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.)
UCB SA
Original Assignee
UCB SA
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 UCB SA filed Critical UCB SA
Publication of ES375942A1 publication Critical patent/ES375942A1/es
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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
    • 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)
  • Furan Compounds (AREA)
ES375942A 1968-01-30 1970-01-27 Procedimiento de deshidratacion del acido maleico en anhi- drido maleico. Expired ES375942A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5221/69A GB1242320A (en) 1968-01-30 1968-01-30 Process for the dehydration of maleic acid

Publications (1)

Publication Number Publication Date
ES375942A1 true ES375942A1 (es) 1972-04-16

Family

ID=9791992

Family Applications (1)

Application Number Title Priority Date Filing Date
ES375942A Expired ES375942A1 (es) 1968-01-30 1970-01-27 Procedimiento de deshidratacion del acido maleico en anhi- drido maleico.

Country Status (14)

Country Link
US (1) US3642829A (es)
BE (1) BE745029A (es)
BG (1) BG26671A3 (es)
BR (1) BR7016316D0 (es)
CA (1) CA925093A (es)
CS (1) CS154654B2 (es)
DE (1) DE2003684C3 (es)
ES (1) ES375942A1 (es)
FR (1) FR2029695A1 (es)
GB (1) GB1242320A (es)
NL (1) NL160562C (es)
RO (1) RO61762A (es)
SE (1) SE379752B (es)
SU (1) SU479281A3 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2061336C3 (de) * 1970-12-12 1975-05-22 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Gewinnung von reinem Maleinsäureanhydrid
FR2189363B1 (es) * 1972-06-21 1974-10-25 Rhone Progil
GB1424747A (en) * 1973-08-28 1976-02-11 Ucb Sa Method and apparatus for the continuous dehydration of maleic acid
DE2356049C3 (de) * 1973-11-09 1987-10-22 Basf Ag Gewinnung von maleinsaeureanhydrid aus den abgasen der phthalsaeureanhydridherstellung
US4364748A (en) * 1977-06-24 1982-12-21 Chevron Research Company Process for recovering maleic anhydride by condensation
JPS6127978A (ja) * 1984-07-16 1986-02-07 Mitsubishi Gas Chem Co Inc 無水マレイン酸の製造法
GB0325530D0 (en) 2003-10-31 2003-12-03 Davy Process Techn Ltd Process
EP2334744A4 (en) * 2008-09-23 2013-02-06 Upm Kymmene Wood Oy LEIM FOR GLUEING OF WOODEN MATERIAL AND WOODEN MATERIAL
FR3125044B1 (fr) 2021-07-09 2024-06-14 Snf Sa Procédé d’obtention d’anhydride maléique biosourcé

Also Published As

Publication number Publication date
RO61762A (es) 1977-05-15
GB1242320A (en) 1971-08-11
CA925093A (en) 1973-04-24
FR2029695A1 (es) 1970-10-23
NL7000972A (es) 1970-08-03
NL160562C (nl) 1979-11-15
DE2003684B2 (de) 1979-04-05
DE2003684A1 (de) 1970-08-06
CS154654B2 (es) 1974-04-30
BG26671A3 (es) 1979-05-15
NL160562B (nl) 1979-06-15
SU479281A3 (ru) 1975-07-30
SE379752B (es) 1975-10-20
US3642829A (en) 1972-02-15
DE2003684C3 (de) 1979-11-29
BR7016316D0 (pt) 1973-01-02
BE745029A (fr) 1970-07-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19920226