BE745862A - Procede de preparation d'anhydride maleique de couleur stable - Google Patents

Procede de preparation d'anhydride maleique de couleur stable

Info

Publication number
BE745862A
BE745862A BE745862DA BE745862A BE 745862 A BE745862 A BE 745862A BE 745862D A BE745862D A BE 745862DA BE 745862 A BE745862 A BE 745862A
Authority
BE
Belgium
Prior art keywords
maleic anhydride
preparation process
stable color
anhydride preparation
color
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
J B Feder
Original Assignee
Halcon International Inc
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 Halcon International Inc filed Critical Halcon International Inc
Publication of BE745862A publication Critical patent/BE745862A/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
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

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)
  • Furan Compounds (AREA)
BE745862D 1969-02-24 1970-02-12 Procede de preparation d'anhydride maleique de couleur stable BE745862A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80183569A 1969-02-24 1969-02-24

Publications (1)

Publication Number Publication Date
BE745862A true BE745862A (fr) 1970-08-12

Family

ID=25182143

Family Applications (1)

Application Number Title Priority Date Filing Date
BE745862D BE745862A (fr) 1969-02-24 1970-02-12 Procede de preparation d'anhydride maleique de couleur stable

Country Status (5)

Country Link
US (1) US3622600A (xx)
BE (1) BE745862A (xx)
DE (1) DE2008619A1 (xx)
FR (1) FR2035697A5 (xx)
NL (1) NL7001845A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1331853A (en) * 1970-05-27 1973-09-26 Monsanto Co Colour stabilization of refined dicarboxylic acids and refined dicarboxylic acid anhydrides
US4159275A (en) * 1978-07-17 1979-06-26 United States Steel Corporation Color of maleic anhydride
DE3504146A1 (de) * 1985-02-07 1986-08-07 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von hochreinem maleinsaeureanhydrid aus rohem maleinsaeureanhydrid
DE3800308A1 (de) * 1988-01-08 1989-07-20 Basf Ag Verfahren zur gewinnung von farbstabilem maleinsaeureanhydrid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3115503A (en) * 1962-09-12 1963-12-24 Petro Tex Chem Corp Stabilized cyclic anhydrides

Also Published As

Publication number Publication date
US3622600A (en) 1971-11-23
DE2008619A1 (xx) 1970-09-10
FR2035697A5 (xx) 1970-12-18
NL7001845A (xx) 1970-08-26

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