FR2307788B1 - - Google Patents

Info

Publication number
FR2307788B1
FR2307788B1 FR7511750A FR7511750A FR2307788B1 FR 2307788 B1 FR2307788 B1 FR 2307788B1 FR 7511750 A FR7511750 A FR 7511750A FR 7511750 A FR7511750 A FR 7511750A FR 2307788 B1 FR2307788 B1 FR 2307788B1
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.)
Expired
Application number
FR7511750A
Other languages
French (fr)
Other versions
FR2307788A1 (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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7511750A priority Critical patent/FR2307788A1/fr
Priority to DE19762616216 priority patent/DE2616216A1/de
Priority to JP51043064A priority patent/JPS51127039A/ja
Priority to IT22286/76A priority patent/IT1064784B/it
Priority to US05/676,714 priority patent/US4126638A/en
Publication of FR2307788A1 publication Critical patent/FR2307788A1/fr
Application granted granted Critical
Publication of FR2307788B1 publication Critical patent/FR2307788B1/fr
Granted 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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7511750A 1975-04-14 1975-04-14 Procede de purification d'acides benzenes dicarboxyliques Granted FR2307788A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7511750A FR2307788A1 (fr) 1975-04-14 1975-04-14 Procede de purification d'acides benzenes dicarboxyliques
DE19762616216 DE2616216A1 (de) 1975-04-14 1976-04-13 Verfahren zur reinigung von benzolpolykarbonsaeuren
JP51043064A JPS51127039A (en) 1975-04-14 1976-04-14 Purification method of benzene carboxylic acid
IT22286/76A IT1064784B (it) 1975-04-14 1976-04-14 Procedimento di purificazione di acidi benzenbicarbossilici
US05/676,714 US4126638A (en) 1975-04-14 1976-04-14 Process for purifying benzene dicarboxylic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7511750A FR2307788A1 (fr) 1975-04-14 1975-04-14 Procede de purification d'acides benzenes dicarboxyliques

Publications (2)

Publication Number Publication Date
FR2307788A1 FR2307788A1 (fr) 1976-11-12
FR2307788B1 true FR2307788B1 (OSRAM) 1977-11-10

Family

ID=9153987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511750A Granted FR2307788A1 (fr) 1975-04-14 1975-04-14 Procede de purification d'acides benzenes dicarboxyliques

Country Status (5)

Country Link
US (1) US4126638A (OSRAM)
JP (1) JPS51127039A (OSRAM)
DE (1) DE2616216A1 (OSRAM)
FR (1) FR2307788A1 (OSRAM)
IT (1) IT1064784B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405809A (en) * 1981-12-04 1983-09-20 Standard Oil Company (Indiana) Process for the manufacture of aromatic polycarboxylic acids having delta Y values below ten
US4626598A (en) * 1985-06-17 1986-12-02 Amoco Corporation Purification of terephthalic acid
US4629715A (en) * 1985-10-07 1986-12-16 Amoco Corporation Purification of terephthalic acid to relatively low levels of 4-carboxybenzaldehyde and catalyst therefor
US4892972A (en) * 1985-10-07 1990-01-09 Amoco Corporation Purification of crude terephthalic acid
KR100318701B1 (ko) * 1992-06-18 2002-10-18 비피 코포레이션 노스 아메리카 인코포레이티드 방향족카복실산의제조방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840604A (en) * 1955-05-02 1958-06-24 Continental Oil Co Separation of aromatic acids
US3020312A (en) * 1958-01-13 1962-02-06 Sun Oil Co Purifying phthalic acids
US3637831A (en) * 1966-03-30 1972-01-25 Mobil Oil Corp Catalytic treatment of vaporized acids
US3456001A (en) * 1967-05-31 1969-07-15 Standard Oil Co Process for purifying benzene carboxylic acids
US3584039A (en) * 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid

Also Published As

Publication number Publication date
DE2616216A1 (de) 1976-10-28
IT1064784B (it) 1985-02-25
FR2307788A1 (fr) 1976-11-12
JPS51127039A (en) 1976-11-05
US4126638A (en) 1978-11-21

Similar Documents

Publication Publication Date Title
FR2307788B1 (OSRAM)
JPS568422Y2 (OSRAM)
JPS5242436U (OSRAM)
JPS5419104B2 (OSRAM)
JPS51156560U (OSRAM)
JPS5543447Y2 (OSRAM)
JPS5426840Y2 (OSRAM)
JPS51109707U (OSRAM)
JPS5261702A (OSRAM)
JPS5245149U (OSRAM)
JPS5286346U (OSRAM)
JPS5239740U (OSRAM)
JPS521859U (OSRAM)
JPS51129681U (OSRAM)
CH602027A5 (OSRAM)
CH601229A5 (OSRAM)
CH585980A5 (OSRAM)
CH585102A5 (OSRAM)
CH1279675A4 (OSRAM)
BG23303A1 (OSRAM)
CH602965A5 (OSRAM)
CH602487A5 (OSRAM)
CH602453A5 (OSRAM)
CH602087A5 (OSRAM)
CH599879A5 (OSRAM)

Legal Events

Date Code Title Description
ST Notification of lapse