FR2224435A1 - - Google Patents

Info

Publication number
FR2224435A1
FR2224435A1 FR7312301A FR7312301A FR2224435A1 FR 2224435 A1 FR2224435 A1 FR 2224435A1 FR 7312301 A FR7312301 A FR 7312301A FR 7312301 A FR7312301 A FR 7312301A FR 2224435 A1 FR2224435 A1 FR 2224435A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7312301A
Other versions
FR2224435B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhone Progil SA
Original Assignee
Rhone Progil SA
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 SA filed Critical Rhone Progil SA
Priority to FR7312301A priority Critical patent/FR2224435B1/fr
Priority to PH15661A priority patent/PH10792A/en
Priority to US457190A priority patent/US3923839A/en
Priority to GB1474274A priority patent/GB1416847A/en
Priority to DE2416457A priority patent/DE2416457C3/de
Priority to NLAANVRAGE7404618,A priority patent/NL169315C/xx
Priority to YU929/74A priority patent/YU39917B/xx
Priority to JP49038399A priority patent/JPS5241251B2/ja
Priority to BE142866A priority patent/BE813322A/fr
Priority to CA196,867A priority patent/CA1032493A/fr
Priority to IT50191/74A priority patent/IT1004154B/it
Publication of FR2224435A1 publication Critical patent/FR2224435A1/fr
Application granted granted Critical
Publication of FR2224435B1 publication Critical patent/FR2224435B1/fr
Expired legal-status Critical Current

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)
FR7312301A 1973-04-05 1973-04-05 Expired FR2224435B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR7312301A FR2224435B1 (fr) 1973-04-05 1973-04-05
PH15661A PH10792A (en) 1973-04-05 1974-03-26 Process for treating residues from phthalic anhydride distillation
US457190A US3923839A (en) 1973-04-05 1974-04-02 Method of treating the residues from the distillation of phthalic anhydride
GB1474274A GB1416847A (en) 1973-04-05 1974-04-03 Process for treating residues from phthalic anhydride distillation
NLAANVRAGE7404618,A NL169315C (nl) 1973-04-05 1974-04-04 Werkwijze voor het destilleren van ftaalzuuranhydride onder opwerken van het verkregen destillatieresidu.
YU929/74A YU39917B (en) 1973-04-05 1974-04-04 Process for treating distillation by-products of phathalic acid anhydride
DE2416457A DE2416457C3 (de) 1973-04-05 1974-04-04 Verfahren und Vorrichtung zur Aufarbeitung von Phthalsäureanhydrid-Destillationssümpfen
JP49038399A JPS5241251B2 (fr) 1973-04-05 1974-04-04
BE142866A BE813322A (fr) 1973-04-05 1974-04-04 Procede de traitement des residus de distillation de l'anhydride phtalique
CA196,867A CA1032493A (fr) 1973-04-05 1974-04-04 Mode de traitement des residus de distillation de l'anhydride phtalique
IT50191/74A IT1004154B (it) 1973-04-05 1974-04-05 Procedimento di trattamento dei residui di distillazione dell anidride ftalica

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2224435A1 true FR2224435A1 (fr) 1974-10-31
FR2224435B1 FR2224435B1 (fr) 1976-11-12

Family

ID=9117470

Family Applications (1)

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

Country Status (11)

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

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 (fr) * 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 (fr) 1977-10-17
DE2416457A1 (de) 1974-10-24
YU92974A (en) 1982-02-28
NL169315B (nl) 1982-02-01
GB1416847A (en) 1975-12-10
PH10792A (en) 1977-09-06
CA1032493A (fr) 1978-06-06
DE2416457C3 (de) 1984-09-06
DE2416457B2 (de) 1978-01-05
YU39917B (en) 1985-06-30
US3923839A (en) 1975-12-02
JPS5029526A (fr) 1975-03-25
FR2224435B1 (fr) 1976-11-12
IT1004154B (it) 1976-07-10
BE813322A (fr) 1974-10-04
NL7404618A (fr) 1974-10-08

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Legal Events

Date Code Title Description
TP Transmission of property