GB1518901A - Process for producing non-blackened phthalic acids from the corresponding tolualdehydes - Google Patents

Process for producing non-blackened phthalic acids from the corresponding tolualdehydes

Info

Publication number
GB1518901A
GB1518901A GB477176A GB477176A GB1518901A GB 1518901 A GB1518901 A GB 1518901A GB 477176 A GB477176 A GB 477176A GB 477176 A GB477176 A GB 477176A GB 1518901 A GB1518901 A GB 1518901A
Authority
GB
United Kingdom
Prior art keywords
tolualdehydes
blackened
producing non
phthalic acids
phthalic
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
GB477176A
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of GB1518901A publication Critical patent/GB1518901A/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
    • C07C51/16—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB477176A 1975-02-14 1976-02-06 Process for producing non-blackened phthalic acids from the corresponding tolualdehydes Expired GB1518901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50019312A JPS5195034A (en) 1975-02-14 1975-02-14 Futarusanno kokushokukaboshihoho

Publications (1)

Publication Number Publication Date
GB1518901A true GB1518901A (en) 1978-07-26

Family

ID=11995885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB477176A Expired GB1518901A (en) 1975-02-14 1976-02-06 Process for producing non-blackened phthalic acids from the corresponding tolualdehydes

Country Status (7)

Country Link
JP (1) JPS5195034A (de)
BE (1) BE838583A (de)
CA (1) CA1042014A (de)
DE (1) DE2605882C2 (de)
FR (1) FR2300753A1 (de)
GB (1) GB1518901A (de)
NL (1) NL180099C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5446740A (en) * 1977-09-20 1979-04-12 Matsuyama Sekyu Kagaku Kk Manufacture of highly pure terephthalic acid for direct polymerization
JPS55145637A (en) * 1979-05-02 1980-11-13 Teijin Hercules Kk Preparation of aromatic carboxylic acid or its methyl ester
JPH0337579U (de) * 1989-08-22 1991-04-11

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2113424A5 (de) * 1970-11-01 1972-06-23 Maruzen Oil Co Ltd
JPS5186437A (ja) * 1975-01-28 1976-07-29 Mitsubishi Gas Chemical Co Futarusannokokushokukaboshiho

Also Published As

Publication number Publication date
NL180099B (nl) 1986-08-01
JPS575777B2 (de) 1982-02-01
FR2300753A1 (fr) 1976-09-10
JPS5195034A (en) 1976-08-20
NL7601392A (nl) 1976-08-17
DE2605882A1 (de) 1976-08-26
DE2605882C2 (de) 1983-07-28
BE838583A (fr) 1976-05-28
FR2300753B1 (de) 1978-11-10
NL180099C (nl) 1987-01-02
CA1042014A (en) 1978-11-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee