JPH0427224B2 - - Google Patents

Info

Publication number
JPH0427224B2
JPH0427224B2 JP56133454A JP13345481A JPH0427224B2 JP H0427224 B2 JPH0427224 B2 JP H0427224B2 JP 56133454 A JP56133454 A JP 56133454A JP 13345481 A JP13345481 A JP 13345481A JP H0427224 B2 JPH0427224 B2 JP H0427224B2
Authority
JP
Japan
Prior art keywords
catalyst
metal oxide
value
isobutyric acid
silicon dioxide
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP56133454A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5772936A (en
Inventor
Guruubaa Uiruherumu
Shureedaa Gyuntaa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of JPS5772936A publication Critical patent/JPS5772936A/ja
Publication of JPH0427224B2 publication Critical patent/JPH0427224B2/ja
Granted legal-status Critical Current

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
    • 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
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP13345481A 1980-08-28 1981-08-27 Oxidation dehydrogenation of isobutyric acid to methacrylic acid Granted JPS5772936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803032423 DE3032423A1 (de) 1980-08-28 1980-08-28 Verfahren zur oxydativen dehydrierung von isobuttersaeure zu methacrylsaeure

Publications (2)

Publication Number Publication Date
JPS5772936A JPS5772936A (en) 1982-05-07
JPH0427224B2 true JPH0427224B2 (fr) 1992-05-11

Family

ID=6110588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13345481A Granted JPS5772936A (en) 1980-08-28 1981-08-27 Oxidation dehydrogenation of isobutyric acid to methacrylic acid

Country Status (2)

Country Link
JP (1) JPS5772936A (fr)
DE (1) DE3032423A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626256A1 (de) * 1986-08-02 1988-02-11 Roehm Gmbh Heteropolymolybdat-gemische und ihre verwendung als katalysatoren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341128B2 (fr) * 1973-05-17 1978-10-31
JPS5949214B2 (ja) * 1976-11-24 1984-12-01 三菱レイヨン株式会社 不飽和カルボン酸またはそのエステルの製法
JPS5615238A (en) * 1979-07-17 1981-02-14 Mitsubishi Chem Ind Ltd Production of methacrylic acid

Also Published As

Publication number Publication date
JPS5772936A (en) 1982-05-07
DE3032423A1 (de) 1982-04-08

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