NL7402243A - - Google Patents

Info

Publication number
NL7402243A
NL7402243A NL7402243A NL7402243A NL7402243A NL 7402243 A NL7402243 A NL 7402243A NL 7402243 A NL7402243 A NL 7402243A NL 7402243 A NL7402243 A NL 7402243A NL 7402243 A NL7402243 A NL 7402243A
Authority
NL
Netherlands
Application number
NL7402243A
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
Publication of NL7402243A publication Critical patent/NL7402243A/xx

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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts 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
    • B01J23/20Vanadium, niobium or tantalum
    • B01J23/22Vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts 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
    • B01J23/24Chromium, molybdenum or tungsten
    • B01J23/26Chromium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/16Phosphorus; 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
    • B01J27/18Phosphorus; 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/186Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198Vanadium
    • 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
    • C07C51/31Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313Preparation 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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7402243A 1973-05-04 1974-02-19 NL7402243A (enrdf_load_html_response)

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
NL7402243A true NL7402243A (enrdf_load_html_response) 1974-11-06

Family

ID=3841909

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7402243A NL7402243A (enrdf_load_html_response) 1973-05-04 1974-02-19

Country Status (9)

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

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
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
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
CA1261860A (en) * 1984-05-21 1989-09-26 Yoshiyuki Nakanishi Method for the preparation of pyromellitic acid or its anhydride
US5225572A (en) * 1989-06-27 1993-07-06 Nippon Steel Chemical Co., Ltd. Process for producing pyromellitic dianhydride
EP0405508A3 (en) * 1989-06-27 1992-01-15 Nippon Steel Chemical Co. Ltd. Process for producing pyromellitic dianhydride
CN115925716B (zh) * 2021-08-24 2024-11-26 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 (enrdf_load_html_response) * 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
US3925425A (en) 1975-12-09
ZA74918B (en) 1975-05-28
JPS5013349A (enrdf_load_html_response) 1975-02-12
GB1411212A (en) 1975-10-22
BE799085A (fr) 1973-08-31
FR2228048A1 (enrdf_load_html_response) 1974-11-29
CA1023373A (en) 1977-12-27
DE2411294A1 (de) 1974-11-07

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Legal Events

Date Code Title Description
BV The patent application has lapsed