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)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
NL7402243A 1973-05-04 1974-02-19 NL7402243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE130732A BE799085A (en) 1973-05-04 1973-05-04 PROCESS FOR PREPARING ANHYDRIDES OF POLYCARBOXYLIC AROMATIC ACIDS,

Publications (1)

Publication Number Publication Date
NL7402243A true NL7402243A (en) 1974-11-06

Family

ID=3841909

Family Applications (1)

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

Country Status (9)

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

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
JPS6125642A (en) * 1984-07-17 1986-02-04 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst for manufacturing pyromellitic anhydride
JPS6128456A (en) * 1984-07-18 1986-02-08 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst for preparing pyromellitic anhydride
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
CN115925716A (en) * 2021-08-24 2023-04-07 中国石油化工股份有限公司 Preparation method of pyromellitic dianhydride

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 (en) * 1961-04-28 1964-02-06 Basf Ag Process for the production of phthalic anhydride
NL6509701A (en) * 1964-07-28 1966-01-31
DE1250806B (en) * 1964-09-22 1967-09-28 Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka (Japan) Process for the production of phthalic anhydride
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
CA1023373A (en) 1977-12-27
US3925425A (en) 1975-12-09
FR2228048A1 (en) 1974-11-29
JPS5013349A (en) 1975-02-12
ZA74918B (en) 1975-05-28
DE2411294A1 (en) 1974-11-07
GB1411212A (en) 1975-10-22
BE799085A (en) 1973-08-31

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Legal Events

Date Code Title Description
BV The patent application has lapsed