FI61892C - Ett kontinuerligt foerfarande och anordning foer framstaellning av maleinsyraanhydrid av maleinsyras vattenloesning - Google Patents

Ett kontinuerligt foerfarande och anordning foer framstaellning av maleinsyraanhydrid av maleinsyras vattenloesning Download PDF

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Publication number
FI61892C
FI61892C FI2486/74A FI248674A FI61892C FI 61892 C FI61892 C FI 61892C FI 2486/74 A FI2486/74 A FI 2486/74A FI 248674 A FI248674 A FI 248674A FI 61892 C FI61892 C FI 61892C
Authority
FI
Finland
Prior art keywords
maleic acid
maleic anhydride
weight
pipe
maleic
Prior art date
Application number
FI2486/74A
Other languages
English (en)
Finnish (fi)
Other versions
FI61892B (fi
FI248674A (fr
Inventor
Jean Ramioulle
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 FI248674A publication Critical patent/FI248674A/fi
Publication of FI61892B publication Critical patent/FI61892B/fi
Application granted granted Critical
Publication of FI61892C publication Critical patent/FI61892C/fi

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)
  • Furan Compounds (AREA)
FI2486/74A 1973-08-28 1974-08-23 Ett kontinuerligt foerfarande och anordning foer framstaellning av maleinsyraanhydrid av maleinsyras vattenloesning FI61892C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4052873A GB1424747A (en) 1973-08-28 1973-08-28 Method and apparatus for the continuous dehydration of maleic acid
GB4052873 1973-08-28

Publications (3)

Publication Number Publication Date
FI248674A FI248674A (fr) 1975-03-01
FI61892B FI61892B (fi) 1982-06-30
FI61892C true FI61892C (fi) 1982-10-11

Family

ID=10415353

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2486/74A FI61892C (fi) 1973-08-28 1974-08-23 Ett kontinuerligt foerfarande och anordning foer framstaellning av maleinsyraanhydrid av maleinsyras vattenloesning

Country Status (27)

Country Link
US (1) US3993671A (fr)
JP (1) JPS5844666B2 (fr)
AR (1) AR201054A1 (fr)
AT (1) AT337152B (fr)
BE (1) BE819223A (fr)
BG (1) BG43526A3 (fr)
BR (1) BR7407096D0 (fr)
CA (1) CA1024153A (fr)
CH (1) CH587793A5 (fr)
CS (1) CS190436B2 (fr)
DD (1) DD112981A5 (fr)
DE (1) DE2440746C2 (fr)
EG (1) EG11208A (fr)
ES (1) ES429547A1 (fr)
FI (1) FI61892C (fr)
FR (1) FR2242388B1 (fr)
GB (1) GB1424747A (fr)
HU (1) HU173131B (fr)
IN (1) IN143188B (fr)
IT (1) IT1019109B (fr)
NL (1) NL182958C (fr)
PL (1) PL104721B1 (fr)
RO (1) RO67329A (fr)
SE (1) SE396386B (fr)
TR (1) TR18421A (fr)
YU (1) YU232074A (fr)
ZA (1) ZA745484B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484417A1 (fr) * 1980-06-13 1981-12-18 Charbonnages Ste Chimique Procede continu de deshydratation de l'acide maleique et installation pour sa mise en oeuvre
US5518730A (en) * 1992-06-03 1996-05-21 Fuisz Technologies Ltd. Biodegradable controlled release flash flow melt-spun delivery system
US5929255A (en) * 1996-07-11 1999-07-27 Bp Amoco Corporation Process for coproducing fumaric acid and maleic anhydride
IN192334B (fr) 2001-06-19 2004-04-10 Nippon Catalytic Chem Ind
GB0325530D0 (en) 2003-10-31 2003-12-03 Davy Process Techn Ltd Process
CN101534790A (zh) 2006-03-30 2009-09-16 吉利西斯公司 作为胃填充物的聚合物材料及其制备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688622A (en) * 1951-09-21 1954-09-07 American Cyanamid Co Process for producing maleic anhydride
DE1194838B (de) * 1961-03-07 1965-06-16 Basf Ag Verfahren zur Herstellung von reinem fumarsaeurefreiem Maleinsaeureanhydrid aus Maleinsaeure oder deren waessrigen Loesungen
FR1524319A (fr) * 1967-03-30 1968-05-10 Houilleres Bassin Du Nord Procédé de déshydratation de l'acide maléique en anhydride
GB1242320A (en) * 1968-01-30 1971-08-11 Ucb Union Chimiqu Chemische Be Process for the dehydration of maleic acid
DE2061335C3 (de) * 1970-12-12 1975-07-17 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Gewinnung von reinem Maleinsäureanhydrid

Also Published As

Publication number Publication date
PL104721B1 (pl) 1979-09-29
CH587793A5 (fr) 1977-05-13
IN143188B (fr) 1977-10-15
RO67329A (fr) 1980-03-15
FI61892B (fi) 1982-06-30
BG43526A3 (en) 1988-06-15
JPS5050316A (fr) 1975-05-06
FR2242388B1 (fr) 1980-05-09
ES429547A1 (es) 1976-10-01
NL7411276A (nl) 1975-03-04
DE2440746A1 (de) 1975-03-13
US3993671A (en) 1976-11-23
ZA745484B (en) 1975-09-24
AR201054A1 (es) 1975-02-06
IT1019109B (it) 1977-11-10
YU232074A (en) 1982-02-28
FI248674A (fr) 1975-03-01
GB1424747A (en) 1976-02-11
HU173131B (hu) 1979-02-28
CS190436B2 (en) 1979-05-31
BR7407096D0 (pt) 1975-06-24
FR2242388A1 (fr) 1975-03-28
SE7410733L (fr) 1975-03-03
SE396386B (sv) 1977-09-19
NL182958C (nl) 1988-06-16
DD112981A5 (fr) 1975-05-12
EG11208A (en) 1977-01-31
BE819223A (fr) 1975-02-27
CA1024153A (fr) 1978-01-10
AU7272774A (en) 1976-03-04
DE2440746C2 (de) 1985-07-04
AT337152B (de) 1977-06-10
JPS5844666B2 (ja) 1983-10-04
TR18421A (tr) 1977-01-28
ATA691674A (de) 1976-10-15

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