NL180581C - Werkwijze om zeer zuiver tereftaalzuur te bereiden. - Google Patents

Werkwijze om zeer zuiver tereftaalzuur te bereiden.

Info

Publication number
NL180581C
NL180581C NLAANVRAGE7901250,A NL7901250A NL180581C NL 180581 C NL180581 C NL 180581C NL 7901250 A NL7901250 A NL 7901250A NL 180581 C NL180581 C NL 180581C
Authority
NL
Netherlands
Prior art keywords
terphalic
pure
preparing
acid
terphalic acid
Prior art date
Application number
NLAANVRAGE7901250,A
Other languages
English (en)
Other versions
NL180581B (nl
NL7901250A (nl
Original Assignee
Mitsubishi Gas Chemical 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 Mitsubishi Gas Chemical Co filed Critical Mitsubishi Gas Chemical Co
Publication of NL7901250A publication Critical patent/NL7901250A/nl
Publication of NL180581B publication Critical patent/NL180581B/nl
Application granted granted Critical
Publication of NL180581C publication Critical patent/NL180581C/nl

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
NLAANVRAGE7901250,A 1978-02-20 1979-02-16 Werkwijze om zeer zuiver tereftaalzuur te bereiden. NL180581C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1764978A JPS54125631A (en) 1978-02-20 1978-02-20 Preparation of high-purity terephthalic acid

Publications (3)

Publication Number Publication Date
NL7901250A NL7901250A (nl) 1979-08-22
NL180581B NL180581B (nl) 1986-10-16
NL180581C true NL180581C (nl) 1987-03-16

Family

ID=11949693

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7901250,A NL180581C (nl) 1978-02-20 1979-02-16 Werkwijze om zeer zuiver tereftaalzuur te bereiden.

Country Status (7)

Country Link
US (1) US4297507A (nl)
JP (1) JPS54125631A (nl)
DE (1) DE2905672C3 (nl)
FR (1) FR2417491A1 (nl)
GB (1) GB2014577B (nl)
IT (1) IT1119906B (nl)
NL (1) NL180581C (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6056696B2 (ja) * 1982-01-18 1985-12-11 三菱瓦斯化学株式会社 芳香族ポリカルボン酸を製造する方法
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US6054610A (en) * 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
WO2000015593A2 (en) 1998-09-10 2000-03-23 Exxon Chemical Patents Inc. Process for making aromatic aldehydes
WO2005095310A2 (en) * 2004-03-23 2005-10-13 Shell Internationale Research Maatschappij B.V. The utilization of zirconium and zirconium based alloys for the containment of halogen containing environments used in the production of olefins, alcohols, ethers, ethoxylates glycols, and olefin oxides from alkanes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB743933A (en) * 1953-06-23 1956-01-25 Hercules Powder Co Ltd Improvements in or relating to synthesis of carboxylic acids
BE550529A (nl) * 1955-08-24
BE562102A (nl) * 1956-11-05
GB832995A (en) * 1956-11-05 1960-04-21 Ici Ltd Improvements in and relating to a process for the oxidation of organic compounds
FR1521286A (fr) * 1966-05-02 1968-04-12 Ici Ltd Protection de certains métaux contre la détérioration lors de leur utilisation dans une installation de traitement de matières chimiques
US3678106A (en) * 1970-04-02 1972-07-18 Fmc Corp OXIDATION OF p-XYLENE AND p-TOLUIC ACID TO TEREPHTHALIC ACID IN AQUEOUS MEDIUM
US3708531A (en) * 1971-06-02 1973-01-02 Petro Tex Chem Corp Promotion of the oxidation of mononuclear aromatic compounds

Also Published As

Publication number Publication date
JPS54125631A (en) 1979-09-29
IT7967361A0 (it) 1979-02-19
DE2905672B2 (de) 1980-05-29
GB2014577B (en) 1982-11-17
GB2014577A (en) 1979-08-30
DE2905672A1 (de) 1979-08-23
NL180581B (nl) 1986-10-16
DE2905672C3 (de) 1981-07-09
IT1119906B (it) 1986-03-19
JPS5623414B2 (nl) 1981-05-30
FR2417491B1 (nl) 1983-10-21
NL7901250A (nl) 1979-08-22
US4297507A (en) 1981-10-27
FR2417491A1 (fr) 1979-09-14

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Legal Events

Date Code Title Description
A1A 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
V1 Lapsed because of non-payment of the annual fee

Effective date: 19970901