ZA74918B - Process for producing anhydrides of aromatic polycarboxylic acids - Google Patents

Process for producing anhydrides of aromatic polycarboxylic acids

Info

Publication number
ZA74918B
ZA74918B ZA00740918A ZA74918A ZA74918B ZA 74918 B ZA74918 B ZA 74918B ZA 00740918 A ZA00740918 A ZA 00740918A ZA 74918 A ZA74918 A ZA 74918A ZA 74918 B ZA74918 B ZA 74918B
Authority
ZA
South Africa
Prior art keywords
polycarboxylic acids
aromatic polycarboxylic
anhydrides
producing anhydrides
producing
Prior art date
Application number
ZA00740918A
Other languages
English (en)
Inventor
H Debus
Hault E De
M Van Tongelen
Original Assignee
Labofina Sa
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 Labofina Sa filed Critical Labofina Sa
Publication of ZA74918B publication Critical patent/ZA74918B/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
    • B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198—Vanadium
    • 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
    • C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA00740918A 1973-05-04 1974-02-02 Process for producing anhydrides of aromatic polycarboxylic acids ZA74918B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE130732A BE799085A (fr) 1973-05-04 1973-05-04 Procede de preparation d'anhydrides d'acides aromatiques polycarboxyliques,

Publications (1)

Publication Number Publication Date
ZA74918B true ZA74918B (en) 1975-05-28

Family

ID=3841909

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00740918A ZA74918B (en) 1973-05-04 1974-02-02 Process for producing anhydrides of aromatic polycarboxylic acids

Country Status (9)

Country Link
US (1) US3925425A (fr)
JP (1) JPS5013349A (fr)
BE (1) BE799085A (fr)
CA (1) CA1023373A (fr)
DE (1) DE2411294A1 (fr)
FR (1) FR2228048A1 (fr)
GB (1) GB1411212A (fr)
NL (1) NL7402243A (fr)
ZA (1) ZA74918B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228038A (en) * 1979-07-24 1980-10-14 Tioxide Group Limited Method for the preparation of catalyst of vanadium pentoxide on substrate of titanium dioxide
GB2084042B (en) * 1980-09-16 1984-05-10 Tioxide Group Ltd Method for the production of monolayer catalysts
CA1261860A (fr) * 1984-05-21 1989-09-26 Yoshiyuki Nakanishi Preparation d'acide pyromellique ou de son anhydride
JPS6125642A (ja) * 1984-07-17 1986-02-04 Nippon Shokubai Kagaku Kogyo Co Ltd 無水ピロメリツト酸製造用触媒
JPS6128456A (ja) * 1984-07-18 1986-02-08 Nippon Shokubai Kagaku Kogyo Co Ltd 無水ピロメリツト酸製造用触媒
EP0405508A3 (en) * 1989-06-27 1992-01-15 Nippon Steel Chemical Co. Ltd. Process for producing pyromellitic dianhydride
US5225572A (en) * 1989-06-27 1993-07-06 Nippon Steel Chemical Co., Ltd. Process for producing pyromellitic dianhydride
CN115925716A (zh) * 2021-08-24 2023-04-07 中国石油化工股份有限公司 均苯四甲酸二酐的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107223A (en) * 1959-05-06 1963-10-15 Koppers Pittsburgh Company Vanadium pentoxide catalyst and method of preparation thereof
DE1162348B (de) * 1961-04-28 1964-02-06 Basf Ag Verfahren zur Herstellung von Phthalsaeureanhydrid
NL6509701A (fr) * 1964-07-28 1966-01-31
DE1250806B (de) * 1964-09-22 1967-09-28 Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka (Japan) Verfahren zur Herstellung von Phthalsäureanhydrid
US3721683A (en) * 1969-06-13 1973-03-20 Teijin Chemicals Ltd Process for the preparation of aromatic carboxylic anhydrides

Also Published As

Publication number Publication date
BE799085A (fr) 1973-08-31
NL7402243A (fr) 1974-11-06
CA1023373A (fr) 1977-12-27
GB1411212A (en) 1975-10-22
DE2411294A1 (de) 1974-11-07
US3925425A (en) 1975-12-09
JPS5013349A (fr) 1975-02-12
FR2228048A1 (fr) 1974-11-29

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