BE801069A - Purification des acides aromatiques - Google Patents

Purification des acides aromatiques

Info

Publication number
BE801069A
BE801069A BE132396A BE132396A BE801069A BE 801069 A BE801069 A BE 801069A BE 132396 A BE132396 A BE 132396A BE 132396 A BE132396 A BE 132396A BE 801069 A BE801069 A BE 801069A
Authority
BE
Belgium
Prior art keywords
purification
aromatic acids
aromatic
acids
Prior art date
Application number
BE132396A
Other languages
English (en)
Inventor
R V Norton
Original Assignee
Sun Research Development
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 Sun Research Development filed Critical Sun Research Development
Publication of BE801069A publication Critical patent/BE801069A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/48Separation; 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE132396A 1972-06-19 1973-06-18 Purification des acides aromatiques BE801069A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00263809A US3847977A (en) 1972-06-19 1972-06-19 Purification process for aromatic acids

Publications (1)

Publication Number Publication Date
BE801069A true BE801069A (fr) 1973-12-18

Family

ID=23003307

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132396A BE801069A (fr) 1972-06-19 1973-06-18 Purification des acides aromatiques

Country Status (9)

Country Link
US (1) US3847977A (fr)
JP (1) JPS5632977B2 (fr)
BE (1) BE801069A (fr)
CA (1) CA991656A (fr)
DE (1) DE2331251C2 (fr)
FR (1) FR2189364B1 (fr)
GB (1) GB1386582A (fr)
IT (1) IT987750B (fr)
NL (1) NL184779C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216060A (ja) * 1985-07-10 1987-01-24 Hitachi Kiden Kogyo Ltd リニアステツプモ−タ
JPS6447260A (en) * 1987-08-15 1989-02-21 Shinko Electric Co Ltd Linear dc brushless motor
US6376223B1 (en) * 1999-08-04 2002-04-23 Cognis Corporation Process for purifying polycarboxylic acids
US7326808B2 (en) * 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system
KR101144887B1 (ko) * 2009-12-16 2012-05-14 호남석유화학 주식회사 이소프탈산의 정제 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD54353A (fr) *
US3644507A (en) * 1968-02-15 1972-02-22 Celanese Corp Thermal purification of terephthalic acid using iodine or bromine catalysts

Also Published As

Publication number Publication date
US3847977A (en) 1974-11-12
JPS5632977B2 (fr) 1981-07-31
FR2189364A1 (fr) 1974-01-25
NL184779B (nl) 1989-06-01
FR2189364B1 (fr) 1978-09-29
NL7308481A (fr) 1973-12-21
CA991656A (en) 1976-06-22
IT987750B (it) 1975-03-20
DE2331251C2 (de) 1983-04-07
DE2331251A1 (de) 1974-01-24
JPS4949931A (fr) 1974-05-15
NL184779C (nl) 1989-11-01
GB1386582A (en) 1975-03-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SUN RESEARCH AND DEVELOPMENT CO.

Effective date: 19920630