IT1025936B - PROCEDURE FOR PREPARING METHACRYLIC ACID - Google Patents

PROCEDURE FOR PREPARING METHACRYLIC ACID

Info

Publication number
IT1025936B
IT1025936B IT2973974A IT2973974A IT1025936B IT 1025936 B IT1025936 B IT 1025936B IT 2973974 A IT2973974 A IT 2973974A IT 2973974 A IT2973974 A IT 2973974A IT 1025936 B IT1025936 B IT 1025936B
Authority
IT
Italy
Prior art keywords
procedure
methacrylic acid
preparing methacrylic
preparing
acid
Prior art date
Application number
IT2973974A
Other languages
Italian (it)
Original Assignee
Nippon Zeon Co
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
Priority claimed from JP13132573A external-priority patent/JPS5523815B2/ja
Priority claimed from JP49029405A external-priority patent/JPS582933B2/en
Application filed by Nippon Zeon Co filed Critical Nippon Zeon Co
Application granted granted Critical
Publication of IT1025936B publication Critical patent/IT1025936B/en

Links

Classifications

    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8877—Vanadium, tantalum, niobium 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
    • 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
    • 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
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
IT2973974A 1973-11-22 1974-11-22 PROCEDURE FOR PREPARING METHACRYLIC ACID IT1025936B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13132573A JPS5523815B2 (en) 1973-11-22 1973-11-22
JP49029405A JPS582933B2 (en) 1974-03-14 1974-03-14 Methacrylic Sanno Seizouhouhou

Publications (1)

Publication Number Publication Date
IT1025936B true IT1025936B (en) 1978-08-30

Family

ID=26367611

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2973974A IT1025936B (en) 1973-11-22 1974-11-22 PROCEDURE FOR PREPARING METHACRYLIC ACID

Country Status (5)

Country Link
DE (1) DE2454587C2 (en)
FR (1) FR2252325B1 (en)
GB (1) GB1487765A (en)
IT (1) IT1025936B (en)
NL (1) NL7415270A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2962547D1 (en) * 1978-05-31 1982-06-03 Nippon Kayaku Kk A process for producing methacrolein and methacrylic acid
JPS552619A (en) * 1978-06-21 1980-01-10 Nippon Kayaku Co Ltd Preparation of methacrylic acid and catalyst
US7851397B2 (en) * 2005-07-25 2010-12-14 Saudi Basic Industries Corporation Catalyst for methacrolein oxidation and method for making and using same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686294A (en) * 1970-10-06 1972-08-22 Japanese Geon Co Ltd Process for the production of methacrylic acid
US3925464A (en) * 1971-12-14 1975-12-09 Asahi Glass Co Ltd Process for preparing unsaturated carboxylic acids from the corresponding unsaturated aldehydes

Also Published As

Publication number Publication date
DE2454587A1 (en) 1975-05-28
GB1487765A (en) 1977-10-05
FR2252325B1 (en) 1978-06-16
FR2252325A1 (en) 1975-06-20
NL7415270A (en) 1975-05-26
DE2454587C2 (en) 1984-04-26

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