BE826359A - Procede de preparation d'anhydride d'acide maleique pur - Google Patents

Procede de preparation d'anhydride d'acide maleique pur

Info

Publication number
BE826359A
BE826359A BE154061A BE154061A BE826359A BE 826359 A BE826359 A BE 826359A BE 154061 A BE154061 A BE 154061A BE 154061 A BE154061 A BE 154061A BE 826359 A BE826359 A BE 826359A
Authority
BE
Belgium
Prior art keywords
maleic acid
acid anhydride
preparing pure
pure maleic
preparing
Prior art date
Application number
BE154061A
Other languages
English (en)
French (fr)
Inventor
H Haferkorn
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 filed Critical
Publication of BE826359A publication Critical patent/BE826359A/xx

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)
BE154061A 1974-03-08 1975-03-06 Procede de preparation d'anhydride d'acide maleique pur BE826359A (fr)

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
BE826359A true BE826359A (fr) 1975-06-30

Family

ID=5909461

Family Applications (1)

Application Number Title Priority Date Filing Date
BE154061A BE826359A (fr) 1974-03-08 1975-03-06 Procede de preparation d'anhydride d'acide maleique pur

Country Status (7)

Country Link
US (1) US4017520A (da)
BE (1) BE826359A (da)
DE (1) DE2411101A1 (da)
ES (1) ES435355A1 (da)
FR (1) FR2263245B1 (da)
GB (1) GB1441380A (da)
IT (1) IT1033457B (da)

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
DE2411101A1 (de) 1975-09-18
FR2263245A1 (da) 1975-10-03
FR2263245B1 (da) 1979-04-13
ES435355A1 (es) 1976-12-01
US4017520A (en) 1977-04-12
GB1441380A (en) 1976-06-30
IT1033457B (it) 1979-07-10

Similar Documents

Publication Publication Date Title
BE834900A (fr) Procede de preparation de l'anhydride acetique
FR2306188A1 (fr) Procede de preparation d'un acide carboxylique insature
FR2296639A1 (fr) Procede de preparation de l'acide 7-d-(-)a-amino-a-(p-hydroxyphenylacetamido)-desacetoxycephalosporanique
BE843316A (fr) Procede pour produire de l'acide terephtalique
FR2327216A1 (fr) Procede de preparation d'acide formique pur
BE834080A (fr) Procede de preparation d'acide 5-fluoro-2-methyl-1-(p-methyls ulfinylbenzylidene)-indenyl-3-acetique
BE833097A (fr) Procede de preparation d'esters dialcoyles d'acide (meth)allyl-phosphonique
FR2331543A1 (fr) Procede de preparation de l'acide cis-2-hydroxy-2-phenyl-r-l-cyclohexanecarboxylique
FR2310406A1 (fr) Procede de preparation de l'acide l (+)-tartrique
BE834610A (fr) Procede de preparation de l'acide 3-hydroxy-2-naphioique
FR2277767A1 (fr) Procede de preparation d'acide phosphorique pur
BE826359A (fr) Procede de preparation d'anhydride d'acide maleique pur
FR2300824A1 (fr) Procede de preparation de l'acide diacetone-2-cetogulonique
BE824582A (fr) Procede de preparation de l'acide 1h-tetrazole-1-acetique
BE811684A (fr) Procede de preparation de l'acide propionique
FR2317270A1 (fr) Procede de preparation de l'acide l-malique
FR2295952A1 (fr) Procede de preparation d'acide 3,6-dichloropicolinique
FR2331516A1 (fr) Procede de preparation d'acide tetrafluoroborique concentre
BE825832A (fr) Procede de preparation de l'acide propiolique
BE844942A (fr) Procede de preparation de l'acide 1-amino-naphtalene-7-sulfonique
BE825524R (fr) Procede de preparation de l'acide 3-hydroxy-2-naphtoique
FR2273791A1 (fr) Procede de preparation d'acide hydroxy-2 naphtalene-carboxylique-3
BE829869A (fr) Procede de preparation d'acide hydroxy-2-naphtalene-carboxyliques
FR2295008A1 (fr) Procede de preparation de l'acide 3-hydroxy-2-naphtoique
BE820364A (fr) Procede de preparation d'acide tetrazole-1-acetique pur