BE693711A - - Google Patents

Info

Publication number
BE693711A
BE693711A BE693711DA BE693711A BE 693711 A BE693711 A BE 693711A BE 693711D A BE693711D A BE 693711DA BE 693711 A BE693711 A BE 693711A
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 BE693711A publication Critical patent/BE693711A/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)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
BE693711D 1966-02-07 1967-02-06 BE693711A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US525344A US3407216A (en) 1966-02-07 1966-02-07 Method for reducing phthalide content of phthalic anhydride

Publications (1)

Publication Number Publication Date
BE693711A true BE693711A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1967-08-07

Family

ID=24092851

Family Applications (1)

Application Number Title Priority Date Filing Date
BE693711D BE693711A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1966-02-07 1967-02-06

Country Status (7)

Country Link
US (1) US3407216A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
BE (1) BE693711A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE (1) DE1618204B1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
ES (1) ES337046A1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR1510451A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB1154124A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1) NL6701396A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5885944A (en) * 1996-05-21 1999-03-23 The Lubrizol Corporation Low chlorine polyalkylene substituted carboxylic acylating agent compositions and compounds derived therefrom

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511861A (en) * 1950-06-20 Purification of phthalic anhydride
US3201423A (en) * 1961-12-08 1965-08-17 Mid Century Corp Process for oxidizing alkyl benzenes to phthalic anhydride

Also Published As

Publication number Publication date
DE1618204B1 (de) 1972-05-04
FR1510451A (fr) 1968-01-19
ES337046A1 (es) 1968-01-16
GB1154124A (en) 1969-06-04
US3407216A (en) 1968-10-22
NL6701396A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1967-08-08

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