NL7700814A - PROCESS FOR THE PREPARATION OF VERY PURE TEREPHALIC ACID. - Google Patents

PROCESS FOR THE PREPARATION OF VERY PURE TEREPHALIC ACID.

Info

Publication number
NL7700814A
NL7700814A NL7700814A NL7700814A NL7700814A NL 7700814 A NL7700814 A NL 7700814A NL 7700814 A NL7700814 A NL 7700814A NL 7700814 A NL7700814 A NL 7700814A NL 7700814 A NL7700814 A NL 7700814A
Authority
NL
Netherlands
Prior art keywords
pure
preparation
terephalic acid
terephalic
acid
Prior art date
Application number
NL7700814A
Other languages
Dutch (nl)
Original Assignee
Mitsubishi Chem Ind
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 Mitsubishi Chem Ind filed Critical Mitsubishi Chem Ind
Publication of NL7700814A publication Critical patent/NL7700814A/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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL7700814A 1976-01-29 1977-01-27 PROCESS FOR THE PREPARATION OF VERY PURE TEREPHALIC ACID. NL7700814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP876976A JPS5291835A (en) 1976-01-29 1976-01-29 Prepation of terephtalic acid for direct polymerization

Publications (1)

Publication Number Publication Date
NL7700814A true NL7700814A (en) 1977-08-02

Family

ID=11702096

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7700814A NL7700814A (en) 1976-01-29 1977-01-27 PROCESS FOR THE PREPARATION OF VERY PURE TEREPHALIC ACID.

Country Status (4)

Country Link
JP (1) JPS5291835A (en)
DE (1) DE2703161C2 (en)
GB (1) GB1577019A (en)
NL (1) NL7700814A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002749B2 (en) * 1977-12-26 1987-08-12 IHARA CHEMICAL INDUSTRY Co., Ltd. Process for producing aromatic monocarboxylic acid
DE2822728C3 (en) * 1978-05-24 1981-08-27 Asahi Kasei Kogyo K.K., Osaka Process for the production of terephthalic acid
GB2051804B (en) * 1979-07-02 1983-10-12 Ici Ltd Preparation of aromatic carboxylic acids
JPS6036439A (en) * 1983-08-09 1985-02-25 Mitsubishi Chem Ind Ltd Production of terephthalic acid
EP0465100B1 (en) * 1990-06-25 1994-09-28 Mitsubishi Gas Chemical Company, Inc. Process for producing high purity isophthalic acid
KR970000136B1 (en) * 1993-09-28 1997-01-04 브이.피. 유리예프 Process for producing highly purified benzenedicarboxylic acid isomers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069462A (en) * 1958-05-05 1962-12-18 Mid Century Corp Oxidation of aromatic compounds
GB848284A (en) * 1958-05-19 1960-09-14 Ici Ltd Process for the preparation of terephthalic acid
GB983677A (en) * 1962-04-27 1965-02-17 Mitsui Petrochemical Ind A process for the preparation of terephthalic acid having extremely high purity
BE670307A (en) * 1964-12-14 1900-01-01
DE1802433A1 (en) * 1968-10-11 1970-05-21 Basf Ag Process for the production of terephthalic acid with a low terephthalaldehyde acid content
FR2113424A5 (en) * 1970-11-01 1972-06-23 Maruzen Oil Co Ltd

Also Published As

Publication number Publication date
GB1577019A (en) 1980-10-15
DE2703161A1 (en) 1977-08-11
JPS565377B2 (en) 1981-02-04
DE2703161C2 (en) 1982-11-25
JPS5291835A (en) 1977-08-02

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed