JPS4948419B1 - - Google Patents

Info

Publication number
JPS4948419B1
JPS4948419B1 JP2131770A JP2131770A JPS4948419B1 JP S4948419 B1 JPS4948419 B1 JP S4948419B1 JP 2131770 A JP2131770 A JP 2131770A JP 2131770 A JP2131770 A JP 2131770A JP S4948419 B1 JPS4948419 B1 JP S4948419B1
Authority
JP
Japan
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.)
Pending
Application number
JP2131770A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP2131770A priority Critical patent/JPS4948419B1/ja
Priority to US121529A priority patent/US3865871A/en
Priority to DE19712112009 priority patent/DE2112009A1/en
Priority to CA107,659A priority patent/CA950918A/en
Priority to GB2387971A priority patent/GB1342961A/en
Publication of JPS4948419B1 publication Critical patent/JPS4948419B1/ja
Pending 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
JP2131770A 1970-03-13 1970-03-13 Pending JPS4948419B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2131770A JPS4948419B1 (en) 1970-03-13 1970-03-13
US121529A US3865871A (en) 1970-03-13 1971-03-05 Process for producing aromatic tetracarboxylic acids and anhydrides thereof
DE19712112009 DE2112009A1 (en) 1970-03-13 1971-03-12 Process for the preparation of benzene tetracarboxylic acids and their anhydrides
CA107,659A CA950918A (en) 1970-03-13 1971-03-12 Process for producing aromatic tetracarboxylic acids and anhydrides thereof
GB2387971A GB1342961A (en) 1970-03-13 1971-04-19 Processes for preparing aromatic tetracarboxylic acids or anhydrides thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2131770A JPS4948419B1 (en) 1970-03-13 1970-03-13

Publications (1)

Publication Number Publication Date
JPS4948419B1 true JPS4948419B1 (en) 1974-12-21

Family

ID=12051764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2131770A Pending JPS4948419B1 (en) 1970-03-13 1970-03-13

Country Status (2)

Country Link
JP (1) JPS4948419B1 (en)
GB (1) GB1342961A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005145954A (en) * 2003-10-20 2005-06-09 Mitsubishi Gas Chem Co Inc Preparation method of pyromellitic acid

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738745A (en) * 1980-08-18 1982-03-03 Mitsubishi Gas Chem Co Inc Preparation of trimellitic acid or pyromellitic acid
CN112705262A (en) * 2020-12-25 2021-04-27 马鞍山昂扬新材料科技有限公司 Cobalt-manganese-bromine non-aqueous catalyst and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005145954A (en) * 2003-10-20 2005-06-09 Mitsubishi Gas Chem Co Inc Preparation method of pyromellitic acid

Also Published As

Publication number Publication date
GB1342961A (en) 1974-01-10

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