DE2550979C2 - Verfahren zur Herstellung von Methacrylsäure durch oxydative Dehydrierung von Isobuttersäure - Google Patents

Verfahren zur Herstellung von Methacrylsäure durch oxydative Dehydrierung von Isobuttersäure

Info

Publication number
DE2550979C2
DE2550979C2 DE2550979A DE2550979A DE2550979C2 DE 2550979 C2 DE2550979 C2 DE 2550979C2 DE 2550979 A DE2550979 A DE 2550979A DE 2550979 A DE2550979 A DE 2550979A DE 2550979 C2 DE2550979 C2 DE 2550979C2
Authority
DE
Germany
Prior art keywords
acid
isobutyric acid
oxidative dehydrogenation
tungsten
methacrylic acid
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
Application number
DE2550979A
Other languages
German (de)
English (en)
Other versions
DE2550979A1 (de
Inventor
Wilhelm Dr. 6100 Darmstadt Gruber
Günter Dr. 6105 Ober-Ramstadt Schröder
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
Priority to DE2550979A priority Critical patent/DE2550979C2/de
Priority to IT69280/76A priority patent/IT1074267B/it
Priority to FR7628569A priority patent/FR2331542A1/fr
Priority to US05/733,326 priority patent/US4081465A/en
Priority to NLAANVRAGE7612622,A priority patent/NL189191C/xx
Priority to BE172326A priority patent/BE848300A/xx
Priority to JP51136196A priority patent/JPS5262221A/ja
Priority to GB47488/76A priority patent/GB1502079A/en
Publication of DE2550979A1 publication Critical patent/DE2550979A1/de
Application granted granted Critical
Publication of DE2550979C2 publication Critical patent/DE2550979C2/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377Preparation 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2550979A 1975-11-13 1975-11-13 Verfahren zur Herstellung von Methacrylsäure durch oxydative Dehydrierung von Isobuttersäure Expired DE2550979C2 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE2550979A DE2550979C2 (de) 1975-11-13 1975-11-13 Verfahren zur Herstellung von Methacrylsäure durch oxydative Dehydrierung von Isobuttersäure
IT69280/76A IT1074267B (it) 1975-11-13 1976-09-22 Procedimento per la deidrogenazione ossidativa dell acido isobutirrico
FR7628569A FR2331542A1 (fr) 1975-11-13 1976-09-23 Procede de deshydrogenation d'acide isobutyrique par oxydation
US05/733,326 US4081465A (en) 1975-11-13 1976-10-18 Method for the oxidative dehydrogenation of isobutyric acid
NLAANVRAGE7612622,A NL189191C (nl) 1975-11-13 1976-11-12 Werkwijze voor de oxidatieve dehydrogenering van isoboterzuur tot methacrylzuur.
BE172326A BE848300A (fr) 1975-11-13 1976-11-12 Procede de deshydrogenation par oxydation d'acide isobutyrique,
JP51136196A JPS5262221A (en) 1975-11-13 1976-11-12 Method of dehydrogenating isobutyis acid oxidizingly
GB47488/76A GB1502079A (en) 1975-11-13 1976-11-15 Preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2550979A DE2550979C2 (de) 1975-11-13 1975-11-13 Verfahren zur Herstellung von Methacrylsäure durch oxydative Dehydrierung von Isobuttersäure

Publications (2)

Publication Number Publication Date
DE2550979A1 DE2550979A1 (de) 1977-05-26
DE2550979C2 true DE2550979C2 (de) 1984-06-07

Family

ID=5961657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2550979A Expired DE2550979C2 (de) 1975-11-13 1975-11-13 Verfahren zur Herstellung von Methacrylsäure durch oxydative Dehydrierung von Isobuttersäure

Country Status (8)

Country Link
US (1) US4081465A (Direct)
JP (1) JPS5262221A (Direct)
BE (1) BE848300A (Direct)
DE (1) DE2550979C2 (Direct)
FR (1) FR2331542A1 (Direct)
GB (1) GB1502079A (Direct)
IT (1) IT1074267B (Direct)
NL (1) NL189191C (Direct)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299980A (en) * 1980-03-03 1981-11-10 Ashland Oil, Inc. Catalytic oxydehydrogenation process
US4374268A (en) * 1980-03-10 1983-02-15 Ashland Oil, Inc. Catalytic oxydehydrogenation process
EP0046840B1 (de) 1980-08-28 1983-10-05 Röhm Gmbh Verfahren zur oxydativen Dehydrierung von Isobuttersäure zu Methacrylsäure
US4307247A (en) * 1980-09-05 1981-12-22 Standard Oil Company Process for the production of unsaturated acids and esters
US4314075A (en) * 1980-09-05 1982-02-02 The Standard Oil Company Process for the production of olefinic acids and esters
US4338463A (en) * 1980-10-03 1982-07-06 The Standard Oil Company Process for the production of unsaturated acids and esters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA721773A (en) * 1965-11-16 A. Sims Victor Production of acrylic and methacrylic acids
US2638455A (en) * 1948-06-14 1953-05-12 Phillips Petroleum Co Alumina-metal oxide dehydrogenation catalyst and its preparation
US2753310A (en) * 1952-09-13 1956-07-03 Universal Oil Prod Co Manufacture of molybdenum-containing catalysts
US2799661A (en) * 1953-07-15 1957-07-16 Universal Oil Prod Co Manufacture of molybdenumcontaining catalysts
US3207806A (en) * 1960-11-23 1965-09-21 Petro Tex Chem Corp Dehydrogenation process
US3468969A (en) * 1966-07-26 1969-09-23 Petro Tex Chem Corp Dehydrogenation process
US4077912A (en) * 1972-10-12 1978-03-07 Standard Oil Company Catalysts useful for exothermic reactions
US3917673A (en) * 1973-10-26 1975-11-04 Eastman Kodak Co Catalytic process for the manufacture of unsaturated acids and esters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
BE848300A (fr) 1977-03-01
JPS5262221A (en) 1977-05-23
FR2331542B1 (Direct) 1982-12-03
NL189191C (nl) 1993-02-01
GB1502079A (en) 1978-02-22
FR2331542A1 (fr) 1977-06-10
NL189191B (nl) 1992-09-01
NL7612622A (nl) 1977-05-17
US4081465A (en) 1978-03-28
DE2550979A1 (de) 1977-05-26
IT1074267B (it) 1985-04-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8126 Change of the secondary classification
8125 Change of the main classification

Ipc: C07C 57/05

D2 Grant after examination
8364 No opposition during term of opposition