ZA704719B - Catalyst for the production of pyromellithic acid and a process for its manufacture - Google Patents

Catalyst for the production of pyromellithic acid and a process for its manufacture

Info

Publication number
ZA704719B
ZA704719B ZA704719A ZA704719A ZA704719B ZA 704719 B ZA704719 B ZA 704719B ZA 704719 A ZA704719 A ZA 704719A ZA 704719 A ZA704719 A ZA 704719A ZA 704719 B ZA704719 B ZA 704719B
Authority
ZA
South Africa
Prior art keywords
catalyst
manufacture
production
pyromellithic
acid
Prior art date
Application number
ZA704719A
Inventor
H Boehler
Original Assignee
Prolizenz Ag
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 Prolizenz Ag filed Critical Prolizenz Ag
Publication of ZA704719B publication Critical patent/ZA704719B/en

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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA704719A 1969-07-16 1970-07-08 Catalyst for the production of pyromellithic acid and a process for its manufacture ZA704719B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1090069A CH521162A (en) 1969-07-16 1969-07-16 Catalyst for the oxidation of alkylbenzenes and process for its preparation

Publications (1)

Publication Number Publication Date
ZA704719B true ZA704719B (en) 1971-09-29

Family

ID=4368004

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA704719A ZA704719B (en) 1969-07-16 1970-07-08 Catalyst for the production of pyromellithic acid and a process for its manufacture

Country Status (8)

Country Link
JP (1) JPS507558B1 (en)
BE (1) BE753407A (en)
CH (1) CH521162A (en)
DE (1) DE2032339A1 (en)
ES (1) ES381711A1 (en)
FR (1) FR2055221A5 (en)
NL (1) NL7009646A (en)
ZA (1) ZA704719B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521734A (en) * 1975-06-24 1977-01-07 Sasakura Eng Co Ltd Heat recovering method

Also Published As

Publication number Publication date
ES381711A1 (en) 1972-11-16
NL7009646A (en) 1971-01-19
DE2032339A1 (en) 1971-03-18
FR2055221A5 (en) 1971-05-07
JPS507558B1 (en) 1975-03-26
CH521162A (en) 1972-04-15
BE753407A (en) 1970-12-16

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