GB1342961A - Processes for preparing aromatic tetracarboxylic acids or anhydrides thereof - Google Patents

Processes for preparing aromatic tetracarboxylic acids or anhydrides thereof

Info

Publication number
GB1342961A
GB1342961A GB2387971A GB2387971A GB1342961A GB 1342961 A GB1342961 A GB 1342961A GB 2387971 A GB2387971 A GB 2387971A GB 2387971 A GB2387971 A GB 2387971A GB 1342961 A GB1342961 A GB 1342961A
Authority
GB
United Kingdom
Prior art keywords
acid
aromatic tetracarboxylic
reaction mixture
examples
parts
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
GB2387971A
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of GB1342961A publication Critical patent/GB1342961A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation 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)
GB2387971A 1970-03-13 1971-04-19 Processes for preparing aromatic tetracarboxylic acids or anhydrides thereof Expired GB1342961A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1342961A true GB1342961A (en) 1974-01-10

Family

ID=12051764

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2387971A Expired GB1342961A (en) 1970-03-13 1971-04-19 Processes for preparing aromatic tetracarboxylic acids or anhydrides thereof

Country Status (2)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046397A1 (en) * 1980-08-18 1982-02-24 Mitsubishi Gas Chemical Company, Inc. Process for producing trimellitic acid or pyromellitic acid
CN112705262A (zh) * 2020-12-25 2021-04-27 马鞍山昂扬新材料科技有限公司 一种钴锰溴非水催化剂及其制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4734877B2 (ja) * 2003-10-20 2011-07-27 三菱瓦斯化学株式会社 ピロメリット酸の製造方法
AU2019269737B2 (en) 2018-05-18 2022-11-10 Polar Delight, Inc. Ice cream dispensing machine and cartridge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046397A1 (en) * 1980-08-18 1982-02-24 Mitsubishi Gas Chemical Company, Inc. Process for producing trimellitic acid or pyromellitic acid
CN112705262A (zh) * 2020-12-25 2021-04-27 马鞍山昂扬新材料科技有限公司 一种钴锰溴非水催化剂及其制备方法

Also Published As

Publication number Publication date
JPS4948419B1 (enExample) 1974-12-21

Similar Documents

Publication Publication Date Title
ES299386A1 (es) Procedimiento de preparación continua de ácidos aromáticos
GB1449189A (en) Process for preparation of phthalic acids
GB1428831A (en) Separation of aromatic carboxylic acids
GB666709A (en) Preparation of aromatic para dicarboxylic acids
GB1342961A (en) Processes for preparing aromatic tetracarboxylic acids or anhydrides thereof
ES390527A2 (es) Procedimiento para la preparacion de esteres glicolicos de acidos carboxilicos.
US3683016A (en) Staged catalyst addition for catalytic liquid phase oxidation of pseudocumene to trimellitic acid
Cook 197. Polycyclic aromatic hydrocarbons. Part X. 1: 2: 7: 8-Dibenzanthracene
GB1238224A (enExample)
GB1179443A (en) Purification of Crude Phthalic Anhydride by Thermal Treatment
GB1285092A (en) A method of producing phthalic anhydride
GB1368309A (en) Process for producing a pyridine carboxylic acid
ES345185A1 (es) Procedimiento para la preparacion de acidos tricarboxilicosaromaticos.
ES348640A1 (es) Un procedimiento para la produccion de un acido dicarboxi- lico aromatico.
GB1415886A (en) Preparation of terephthalic acid
US3414545A (en) Fully conjugated aromatic polymers
GB1413101A (en) Method of preparing aromatic tetracarboxylic acids containing oxadiazole ring or di-anhydrides thereof
ES444144A1 (es) Un procedimiento para la preparacion de un acido 6,11-dihi- dro-11-oxo-dibenz (b, e) oxepin-alcanoico.
US3471555A (en) Process for the oxidation of alkyl benzenes
GB907926A (en) Improvements in or relating to the production of trimellitic acid and trimellitic anhydride
ES361739A1 (es) Procedimiento para obtener acidos ftalicos.
JPS62234086A (ja) 芳香族酸無水物の製造法
GB1388679A (en) Preparation of benzoquinones
GB1429471A (en) Process for the production of phthalic acids
GB1061700A (en) The preparation of ?-caprolactone

Legal Events

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