CH457396A - Process for the purification of aromatic polycarboxylic acids - Google Patents

Process for the purification of aromatic polycarboxylic acids

Info

Publication number
CH457396A
CH457396A CH712966A CH712966A CH457396A CH 457396 A CH457396 A CH 457396A CH 712966 A CH712966 A CH 712966A CH 712966 A CH712966 A CH 712966A CH 457396 A CH457396 A CH 457396A
Authority
CH
Switzerland
Prior art keywords
purification
polycarboxylic acids
aromatic polycarboxylic
aromatic
acids
Prior art date
Application number
CH712966A
Other languages
French (fr)
Inventor
Peter Olsen George
Hamilton Towle Philip
Harold Baldwin Richard
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
Publication of CH457396A publication Critical patent/CH457396A/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)
CH712966A 1965-05-17 1966-05-17 Process for the purification of aromatic polycarboxylic acids CH457396A (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
CH457396A true CH457396A (en) 1968-06-15

Family

ID=23811928

Family Applications (1)

Application Number Title Priority Date Filing Date
CH712966A CH457396A (en) 1965-05-17 1966-05-17 Process for the purification of aromatic 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
JPS5132618B1 (en) 1976-09-14
GB1152576A (en) 1969-05-21
BE681179A (en) 1966-10-31
NL6606727A (en) 1966-11-18
SE344584B (en) 1972-04-24
ES326852A1 (en) 1967-03-16
AT290506B (en) 1971-06-11
DE1593541A1 (en) 1970-05-21

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