GB1152576A - Purification of Aromatic Polycarboxylic Acids. - Google Patents

Purification of Aromatic Polycarboxylic Acids.

Info

Publication number
GB1152576A
GB1152576A GB2165566A GB2165566A GB1152576A GB 1152576 A GB1152576 A GB 1152576A GB 2165566 A GB2165566 A GB 2165566A GB 2165566 A GB2165566 A GB 2165566A GB 1152576 A GB1152576 A GB 1152576A
Authority
GB
United Kingdom
Prior art keywords
polycarboxylic acids
aromatic polycarboxylic
purification
acids
acid
Prior art date
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
GB2165566A
Other languages
English (en)
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.)
Standard Oil Co
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 GB1152576A publication Critical patent/GB1152576A/en
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
    • C07C51/42—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)
GB2165566A 1965-05-17 1966-05-16 Purification of Aromatic Polycarboxylic Acids. Expired GB1152576A (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
GB1152576A true GB1152576A (en) 1969-05-21

Family

ID=23811928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2165566A Expired GB1152576A (en) 1965-05-17 1966-05-16 Purification of Aromatic Polycarboxylic Acids.

Country Status (9)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083224A1 (en) * 1981-12-28 1983-07-06 Mitsubishi Gas Chemical Company, Inc. Process for producing aromatic polycarboxylic acid with high purity
EP0445446A1 (en) * 1988-10-13 1991-09-11 Amoco Corporation Purification of crude isophthalic acid
US5189209A (en) * 1990-05-17 1993-02-23 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure isophthalic acid
EP0764627A1 (en) * 1995-09-22 1997-03-26 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure terephthalic acid
CN103288632A (zh) * 2013-06-19 2013-09-11 中国石油化工股份有限公司 一种粗均苯三甲酸精制的方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083224A1 (en) * 1981-12-28 1983-07-06 Mitsubishi Gas Chemical Company, Inc. Process for producing aromatic polycarboxylic acid with high purity
EP0445446A1 (en) * 1988-10-13 1991-09-11 Amoco Corporation Purification of crude isophthalic acid
US5189209A (en) * 1990-05-17 1993-02-23 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure isophthalic acid
EP0764627A1 (en) * 1995-09-22 1997-03-26 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure terephthalic acid
US5705682A (en) * 1995-09-22 1998-01-06 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure terephthalic acid
CN103288632A (zh) * 2013-06-19 2013-09-11 中国石油化工股份有限公司 一种粗均苯三甲酸精制的方法

Also Published As

Publication number Publication date
ES326852A1 (es) 1967-03-16
CH457396A (fr) 1968-06-15
AT290506B (de) 1971-06-11
NL6606727A (ja) 1966-11-18
JPS5132618B1 (ja) 1976-09-14
BE681179A (ja) 1966-10-31
DE1593541A1 (de) 1970-05-21
SE344584B (ja) 1972-04-24

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Legal Events

Date Code Title Description
694A Case decided by the comptroller (rule 94(3)/1968)
PS Patent sealed
PE Patent expired