BE712944A - - Google Patents

Info

Publication number
BE712944A
BE712944A BE712944DA BE712944A BE 712944 A BE712944 A BE 712944A BE 712944D A BE712944D A BE 712944DA BE 712944 A BE712944 A BE 712944A
Authority
BE
Belgium
Application number
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 BE712944A publication Critical patent/BE712944A/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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
BE712944D 1967-03-30 1968-03-29 BE712944A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR100799A FR1524319A (fr) 1967-03-30 1967-03-30 Procédé de déshydratation de l'acide maléique en anhydride

Publications (1)

Publication Number Publication Date
BE712944A true BE712944A (xx) 1968-07-31

Family

ID=8627815

Family Applications (1)

Application Number Title Priority Date Filing Date
BE712944D BE712944A (xx) 1967-03-30 1968-03-29

Country Status (6)

Country Link
US (1) US3476775A (xx)
BE (1) BE712944A (xx)
DE (1) DE1768015C3 (xx)
FR (1) FR1524319A (xx)
GB (1) GB1148280A (xx)
NL (1) NL151371B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4823063B1 (xx) * 1969-06-13 1973-07-11
US3850758A (en) * 1973-07-02 1974-11-26 Allied Chem Purification of crude maleic anhydride by treatment with dimethylbenzophenone
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
JPS51105997A (en) * 1975-03-14 1976-09-20 Central Glass Co Ltd Rinsanekinogenatsujohatsu niokeru futsukabutsuganjujoki no shorihoho
US4364748A (en) * 1977-06-24 1982-12-21 Chevron Research Company Process for recovering maleic anhydride by condensation
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
DE3504146A1 (de) * 1985-02-07 1986-08-07 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von hochreinem maleinsaeureanhydrid aus rohem maleinsaeureanhydrid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901914A (en) * 1931-05-08 1933-03-21 Monsanto Chemical Works Manufacture of maleic acid
US2670355A (en) * 1950-02-23 1954-02-23 Barsky Manufacture of maleic anhydride
US2688622A (en) * 1951-09-21 1954-09-07 American Cyanamid Co Process for producing maleic anhydride
US2770630A (en) * 1952-03-12 1956-11-13 Allied Chem & Dye Corp Recovery of maleic anhydride
GB864139A (en) * 1957-10-04 1961-03-29 Columbia Southern Chem Corp Production of maleic anhydride
US3261847A (en) * 1964-06-17 1966-07-19 Chevron Res Manufacture of maleic anhydride

Also Published As

Publication number Publication date
GB1148280A (en) 1969-04-10
NL151371B (nl) 1976-11-15
US3476775A (en) 1969-11-04
NL6804195A (xx) 1968-10-01
FR1524319A (fr) 1968-05-10
DE1768015A1 (de) 1972-06-22
DE1768015B2 (de) 1974-10-17
DE1768015C3 (de) 1975-06-05

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. CHIMIQUE DES CHARBONNAGES

Effective date: 19850329