PH10792A - Process for treating residues from phthalic anhydride distillation - Google Patents

Process for treating residues from phthalic anhydride distillation

Info

Publication number
PH10792A
PH10792A PH15661A PH15661A PH10792A PH 10792 A PH10792 A PH 10792A PH 15661 A PH15661 A PH 15661A PH 15661 A PH15661 A PH 15661A PH 10792 A PH10792 A PH 10792A
Authority
PH
Philippines
Prior art keywords
phthalic anhydride
treating residues
anhydride distillation
distillation
residues
Prior art date
Application number
PH15661A
Other languages
English (en)
Inventor
R Dumont
M Goharel
J Lafont
Original Assignee
Rhone Progil
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 Rhone Progil filed Critical Rhone Progil
Publication of PH10792A publication Critical patent/PH10792A/en

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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Furan Compounds (AREA)
PH15661A 1973-04-05 1974-03-26 Process for treating residues from phthalic anhydride distillation PH10792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7312301A FR2224435B1 (xx) 1973-04-05 1973-04-05

Publications (1)

Publication Number Publication Date
PH10792A true PH10792A (en) 1977-09-06

Family

ID=9117470

Family Applications (1)

Application Number Title Priority Date Filing Date
PH15661A PH10792A (en) 1973-04-05 1974-03-26 Process for treating residues from phthalic anhydride distillation

Country Status (11)

Country Link
US (1) US3923839A (xx)
JP (1) JPS5241251B2 (xx)
BE (1) BE813322A (xx)
CA (1) CA1032493A (xx)
DE (1) DE2416457C3 (xx)
FR (1) FR2224435B1 (xx)
GB (1) GB1416847A (xx)
IT (1) IT1004154B (xx)
NL (1) NL169315C (xx)
PH (1) PH10792A (xx)
YU (1) YU39917B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845435B2 (ja) * 1977-05-06 1983-10-08 新日鐵化学株式会社 無水フタル酸蒸留残渣の処理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333368A (en) * 1940-06-14 1943-11-02 Allied Chem & Dye Corp Hydration of phthalic anhydride
NL257871A (xx) * 1959-07-13
DE1266748C2 (de) * 1966-05-21 1973-07-19 Basf Ag Verfahren zur Verhinderung der Verkrustung von Heizflaechen bei der kontinuierlichen Destillation von Phthalsaeureanhydrid
DE1768817B1 (de) * 1968-07-03 1972-04-27 Zieren Chemiebau Gmbh Dr A Verfahren zur Reinigung von rohem Phthalsaeureanhydrid durch Destillation

Also Published As

Publication number Publication date
NL169315C (nl) 1982-07-01
JPS5241251B2 (xx) 1977-10-17
DE2416457A1 (de) 1974-10-24
YU92974A (en) 1982-02-28
NL169315B (nl) 1982-02-01
FR2224435A1 (xx) 1974-10-31
GB1416847A (en) 1975-12-10
CA1032493A (en) 1978-06-06
DE2416457C3 (de) 1984-09-06
DE2416457B2 (de) 1978-01-05
YU39917B (en) 1985-06-30
US3923839A (en) 1975-12-02
JPS5029526A (xx) 1975-03-25
FR2224435B1 (xx) 1976-11-12
IT1004154B (it) 1976-07-10
BE813322A (fr) 1974-10-04
NL7404618A (xx) 1974-10-08

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