IT1008994B - Processo per l ottenimento di ani dride ftalica - Google Patents

Processo per l ottenimento di ani dride ftalica

Info

Publication number
IT1008994B
IT1008994B IT4890974A IT4890974A IT1008994B IT 1008994 B IT1008994 B IT 1008994B IT 4890974 A IT4890974 A IT 4890974A IT 4890974 A IT4890974 A IT 4890974A IT 1008994 B IT1008994 B IT 1008994B
Authority
IT
Italy
Prior art keywords
dride
ani
obtaining phthalic
phthalic
obtaining
Prior art date
Application number
IT4890974A
Other languages
English (en)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT1008994B publication Critical patent/IT1008994B/it

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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT4890974A 1973-03-17 1974-03-01 Processo per l ottenimento di ani dride ftalica IT1008994B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732313306 DE2313306A1 (de) 1973-03-17 1973-03-17 Verfahren zur gewinnung von phthalsaeureanhydrid

Publications (1)

Publication Number Publication Date
IT1008994B true IT1008994B (it) 1976-11-30

Family

ID=5875040

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4890974A IT1008994B (it) 1973-03-17 1974-03-01 Processo per l ottenimento di ani dride ftalica

Country Status (6)

Country Link
JP (1) JPS49125330A (it)
AT (1) AT331783B (it)
BE (1) BE812185A (it)
DE (1) DE2313306A1 (it)
GB (1) GB1453507A (it)
IT (1) IT1008994B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3207208A1 (de) * 1982-02-27 1983-09-08 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen gewinnung von phthalsaeureanhydrid und maleinsaeureanhydrid aus reaktionsgasen
DE19939629A1 (de) * 1999-08-20 2001-02-22 Basf Ag Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid
KR101480945B1 (ko) * 2014-04-07 2015-01-14 문재운 누수 방지용 볼밸브

Also Published As

Publication number Publication date
JPS49125330A (it) 1974-11-30
GB1453507A (en) 1976-10-27
AT331783B (de) 1976-08-25
BE812185A (fr) 1974-09-12
DE2313306A1 (de) 1974-09-26
ATA216374A (de) 1975-12-15

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