AT290506B - Process for the purification of aromatic di- and polycarboxylic acids - Google Patents

Process for the purification of aromatic di- and polycarboxylic acids

Info

Publication number
AT290506B
AT290506B AT466166A AT466166A AT290506B AT 290506 B AT290506 B AT 290506B AT 466166 A AT466166 A AT 466166A AT 466166 A AT466166 A AT 466166A AT 290506 B AT290506 B AT 290506B
Authority
AT
Austria
Prior art keywords
purification
aromatic
polycarboxylic acids
polycarboxylic
acids
Prior art date
Application number
AT466166A
Other languages
German (de)
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Application granted granted Critical
Publication of AT290506B publication Critical patent/AT290506B/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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT466166A 1965-05-17 1966-05-17 Process for the purification of aromatic di- and polycarboxylic acids AT290506B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45621865A 1965-05-17 1965-05-17

Publications (1)

Publication Number Publication Date
AT290506B true AT290506B (en) 1971-06-11

Family

ID=23811928

Family Applications (1)

Application Number Title Priority Date Filing Date
AT466166A AT290506B (en) 1965-05-17 1966-05-17 Process for the purification of aromatic di- and polycarboxylic acids

Country Status (9)

Country Link
JP (1) JPS5132618B1 (en)
AT (1) AT290506B (en)
BE (1) BE681179A (en)
CH (1) CH457396A (en)
DE (1) DE1593541A1 (en)
ES (1) ES326852A1 (en)
GB (1) GB1152576A (en)
NL (1) NL6606727A (en)
SE (1) SE344584B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58116439A (en) * 1981-12-28 1983-07-11 Mitsubishi Gas Chem Co Inc Preparation of high purity aromatic polycarboxylic acid
US4933492A (en) * 1988-10-13 1990-06-12 Amoco Corporation Purification of crude isophthalic acid
JP2893860B2 (en) * 1990-05-17 1999-05-24 三菱瓦斯化学株式会社 Production method of high purity isophthalic acid
JP3729284B2 (en) * 1995-09-22 2005-12-21 三菱瓦斯化学株式会社 Method for producing high purity terephthalic acid
CN103288632A (en) * 2013-06-19 2013-09-11 中国石油化工股份有限公司 Method for purifying crude trimesic acid

Also Published As

Publication number Publication date
BE681179A (en) 1966-10-31
SE344584B (en) 1972-04-24
DE1593541A1 (en) 1970-05-21
GB1152576A (en) 1969-05-21
CH457396A (en) 1968-06-15
JPS5132618B1 (en) 1976-09-14
ES326852A1 (en) 1967-03-16
NL6606727A (en) 1966-11-18

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time