FR2451907A1 - Procede pour produire de l'acide methacrylique par oxydation en phase vapeur de la methacroleine - Google Patents
Procede pour produire de l'acide methacrylique par oxydation en phase vapeur de la methacroleineInfo
- Publication number
- FR2451907A1 FR2451907A1 FR8006172A FR8006172A FR2451907A1 FR 2451907 A1 FR2451907 A1 FR 2451907A1 FR 8006172 A FR8006172 A FR 8006172A FR 8006172 A FR8006172 A FR 8006172A FR 2451907 A1 FR2451907 A1 FR 2451907A1
- Authority
- FR
- France
- Prior art keywords
- methacrolein
- elements
- methacrylic acid
- oxygen
- equal
- 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.)
- Granted
Links
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 title abstract 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 230000003647 oxidation Effects 0.000 title 1
- 238000007254 oxidation reaction Methods 0.000 title 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 title 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract 2
- 229910052720 vanadium Inorganic materials 0.000 abstract 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 abstract 1
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052776 Thorium Inorganic materials 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052785 arsenic Inorganic materials 0.000 abstract 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052792 caesium Inorganic materials 0.000 abstract 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 229910001882 dioxygen Inorganic materials 0.000 abstract 1
- 229910052732 germanium Inorganic materials 0.000 abstract 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000011133 lead Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 229910052702 rhenium Inorganic materials 0.000 abstract 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052701 rubidium Inorganic materials 0.000 abstract 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052716 thallium Inorganic materials 0.000 abstract 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000012808 vapor phase Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
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
- C07C51/25—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
- 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
- B01J23/16—Catalysts 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
-
- 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
-
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
POUR PRODUIRE DE L'ACIDE METHACRYLIQUE, ON OXYDE EN PHASE VAPEUR DE LA METHACROLEINE AVEC DE L'OXYGENE POLECULAIRE OU UN GAZ CONTENANT DE L'OXYGENE MOLECULAIRE EN PRESENCE D'ISOBUTYLENE ETOU D'ALCOOL TERT-BUTYLIQUE ET EN PRESENCE D'UN CATALYSEUR REPRESENTE PAR LA FORMULE GENERALE:MOVPXYOOU MO, V, P ET O REPRESENTENT RESPECTIVEMENT LE MOLYBDENE, LE VANADIUM, LE PHOSPHORE ET L'OXYGENE, X REPRESENTE UN OU PLUSIEURS ELEMENTS CHOISIS PARMI LE CUIVRE, L'ETAIN, LE THORIUM, LE GERMANIUM, LE NICKEL, LE FER, LE COBALT, LE ZINC, LE TITANE, LE PLOMB, LE RHENIUM, LE ZIRCONIUM, LE CERIUM, LE BISMUTH ET L'ARSENIC, Y REPRESENTE UN OU PLUSIEURS ELEMENTS CHOISIS PARMI LE POTASSIUM, LE RUBIDIUM, LE CESIUM ET LE THALLIUM ET A, B, C, D, E ET F REPRESENTENT LE RAPPORT ATOMIQUE DES ELEMENTS OU A EST EGAL A 10, B EST UN NOMBRE EGAL OU INFERIEUR A 6 A L'EXCLUSION DE ZERO, C EST UN NOMBRE DE 0,5 A 6, D EST UN NOMBRE EGAL OU INFERIEUR A 3 A L'EXCLUSION DE ZERO, E EST UN NOMBRE DE 0 A 3 ET F EST UN NOMBRE DETERMINE SELON LA VALENCE ET LE RAPPORT ATOMIQUE DES AUTRES ELEMENTS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3232379A JPS55124734A (en) | 1979-03-22 | 1979-03-22 | Preparation of methacrylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2451907A1 true FR2451907A1 (fr) | 1980-10-17 |
FR2451907B1 FR2451907B1 (fr) | 1986-10-24 |
Family
ID=12355725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8006172A Expired FR2451907B1 (fr) | 1979-03-22 | 1980-03-19 | Procede pour produire de l'acide methacrylique par oxydation en phase vapeur de la methacroleine |
Country Status (11)
Country | Link |
---|---|
US (1) | US4652673A (fr) |
JP (1) | JPS55124734A (fr) |
BE (1) | BE882303A (fr) |
CS (1) | CS215020B2 (fr) |
DE (1) | DE3010434A1 (fr) |
ES (1) | ES490544A0 (fr) |
FR (1) | FR2451907B1 (fr) |
GB (1) | GB2046252B (fr) |
IT (1) | IT1195265B (fr) |
NL (1) | NL8001507A (fr) |
SU (1) | SU1246889A3 (fr) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4301031A (en) * | 1980-08-05 | 1981-11-17 | The Standard Oil Company | Methacrolein oxidation catalysts |
EP0058046B1 (fr) * | 1981-02-05 | 1984-08-01 | Ube Industries, Ltd. | Procédé pour la préparation de l'aldéhyde méthacrylique et de l'acide méthacrylique |
DE3208572A1 (de) * | 1982-03-10 | 1983-09-22 | Basf Ag, 6700 Ludwigshafen | Verfahren und katalysator zur herstellung von methacrylsaeure |
DE3208571A1 (de) * | 1982-03-10 | 1983-09-22 | Basf Ag, 6700 Ludwigshafen | Oxidationskatalysator, insbesondere fuer die herstellung von methacrylsaeure durch gasphasenoxidation von methacrolein |
CA1199905A (fr) * | 1982-06-07 | 1986-01-28 | William J. Kennelly | Agents de catalyse, et leur emploi pour la preparation d'acides carboxyliques insatures |
JPS59115750A (ja) * | 1982-12-22 | 1984-07-04 | Nippon Shokubai Kagaku Kogyo Co Ltd | メタクリル酸合成用触媒 |
DE3308625A1 (de) * | 1983-03-11 | 1984-09-13 | Basf Ag, 6700 Ludwigshafen | Verfahren und katalysator zur herstellung von methacrylsaeure |
DE3508649A1 (de) * | 1985-03-12 | 1986-09-18 | Röhm GmbH, 6100 Darmstadt | Heteropolysaeure h(pfeil abwaerts)8(pfeil abwaerts)pmo(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)vo(pfeil abwaerts)3(pfeil abwaerts)(pfeil abwaerts)9(pfeil abwaerts), deren anhydrid pmo(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)vo(pfeil abwaerts)3(pfeil abwaerts)(pfeil abwaerts)5(pfeil abwaerts)und ihre verwendung |
JPH0791212B2 (ja) * | 1988-07-11 | 1995-10-04 | 三菱レイヨン株式会社 | メタクリル酸の製造法 |
DE3844087A1 (de) * | 1988-12-28 | 1990-07-05 | Basf Ag | Verfahren zur herstellung von methacrylsaeure durch oxidation von methacrolein |
EP0415347B2 (fr) * | 1989-08-29 | 2002-06-05 | Nippon Shokubai Kagaku Kogyo Co. Ltd. | Catalyseur pour la fabrication de l'acide méthacrylique |
DE4113423A1 (de) * | 1991-04-25 | 1992-10-29 | Roehm Gmbh | Mit makroporen durchsetzter oxidationskatalysator |
DE4240085A1 (de) * | 1992-11-28 | 1994-06-01 | Roehm Gmbh | Katalytische Oxidation von Isobutan zu Methacrylsäure und Methacrolein |
TWI341219B (en) * | 2003-02-20 | 2011-05-01 | Nippon Kayaku Kk | Catalyst for producing methacrylic acid and preparation method thereof |
EP1629889B1 (fr) * | 2003-05-30 | 2012-05-02 | Nippon Kayaku Kabushiki Kaisha | Procede de production d'un catalyseur pour la production d'acide methacrylique |
US7649112B2 (en) * | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon |
US7732367B2 (en) * | 2005-07-25 | 2010-06-08 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
US7851397B2 (en) * | 2005-07-25 | 2010-12-14 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
US7649111B2 (en) * | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same |
KR100807972B1 (ko) * | 2005-08-10 | 2008-02-28 | 주식회사 엘지화학 | 아크릴산 선택성이 높은 복합 금속 산화물 촉매 |
US7799946B2 (en) * | 2007-02-14 | 2010-09-21 | Saudi Basic Industries Corporation | Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
EP1995232B1 (fr) * | 2007-05-25 | 2018-01-03 | Evonik Röhm GmbH | Utilisation de compositions d'alimentation pour la préparation d'acide méthacrylique par oxydation |
EP2085376B1 (fr) | 2008-01-30 | 2012-09-05 | Evonik Röhm GmbH | Procédé pour la préparation d'acide méthacrylique de grande pureté |
US8921257B2 (en) | 2011-12-02 | 2014-12-30 | Saudi Basic Industries Corporation | Dual function partial oxidation catalyst for propane to acrylic acid conversion |
US8722940B2 (en) | 2012-03-01 | 2014-05-13 | Saudi Basic Industries Corporation | High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins |
JP5892826B2 (ja) * | 2012-03-27 | 2016-03-23 | 住友化学株式会社 | メタクリル酸の製造方法 |
WO2013163806A1 (fr) | 2012-05-03 | 2013-11-07 | Evonik Industries Ag | Procédé de préparation d'acide méthacrylique de haute pureté, qui ne jaunit pas |
JP2016516732A (ja) | 2013-03-18 | 2016-06-09 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH | メタクリル酸及びメタクリル酸エステルの製造方法 |
JP6078387B2 (ja) * | 2013-03-19 | 2017-02-08 | 住友化学株式会社 | メタクリル酸の製造方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2248261A1 (fr) * | 1973-10-23 | 1975-05-16 | Union Carbide Corp | |
FR2256141A1 (fr) * | 1973-12-29 | 1975-07-25 | Nippon Catalytic Chem Ind | |
FR2275436A1 (fr) * | 1974-05-31 | 1976-01-16 | Mitsubishi Rayon Co | Procede pour la preparation de l'acide acrylique ou de l'acide methacrylique |
FR2306188A1 (fr) * | 1975-04-03 | 1976-10-29 | Mitsubishi Rayon Co | Procede de preparation d'un acide carboxylique insature |
DE2704991A1 (de) * | 1976-02-09 | 1977-08-11 | Toyo Soda Mfg Co Ltd | Verfahren zur herstellung von methacrylsaeure |
GB1498595A (en) * | 1975-05-23 | 1978-01-18 | Toyo Soda Mfg Co Ltd | Process for producing methacrylic acid and catalyst therefor |
FR2369238A1 (fr) * | 1976-10-26 | 1978-05-26 | Nippon Zeon Co | Procede de preparation de l'acide methacrylique |
FR2407022A1 (fr) * | 1977-10-31 | 1979-05-25 | Nippon Kayaku Kk | Procede et catalyseur pour produire de l'acide methacrylique |
GB2016294A (en) * | 1978-01-17 | 1979-09-26 | Nippon Zeon Co | Catalyst for use in the oxidation of unsaturated aldehydes |
EP0006248A1 (fr) * | 1978-06-21 | 1980-01-09 | Nippon Kayaku Kabushiki Kaisha | Procédé de préparation de l'acide méthacrylique et catalyseur |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5331615A (en) * | 1976-09-06 | 1978-03-25 | Nippon Kayaku Co Ltd | Production of methacrylic acid and catalyst used thereof |
JPS6048496B2 (ja) * | 1977-07-22 | 1985-10-28 | 東ソー株式会社 | メタクリル酸の製造方法 |
JPS5811416B2 (ja) * | 1978-12-13 | 1983-03-02 | 日本化薬株式会社 | メタクリル酸の製造法 |
-
1979
- 1979-03-22 JP JP3232379A patent/JPS55124734A/ja active Pending
-
1980
- 1980-03-06 GB GB8007725A patent/GB2046252B/en not_active Expired
- 1980-03-13 NL NL8001507A patent/NL8001507A/nl not_active Application Discontinuation
- 1980-03-19 DE DE19803010434 patent/DE3010434A1/de not_active Ceased
- 1980-03-19 BE BE0/199849A patent/BE882303A/fr not_active IP Right Cessation
- 1980-03-19 FR FR8006172A patent/FR2451907B1/fr not_active Expired
- 1980-03-21 SU SU802896304A patent/SU1246889A3/ru active
- 1980-03-21 IT IT20829/80A patent/IT1195265B/it active
- 1980-03-21 ES ES490544A patent/ES490544A0/es active Granted
- 1980-03-21 CS CS801954A patent/CS215020B2/cs unknown
-
1983
- 1983-05-18 US US06/484,620 patent/US4652673A/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2248261A1 (fr) * | 1973-10-23 | 1975-05-16 | Union Carbide Corp | |
FR2256141A1 (fr) * | 1973-12-29 | 1975-07-25 | Nippon Catalytic Chem Ind | |
FR2275436A1 (fr) * | 1974-05-31 | 1976-01-16 | Mitsubishi Rayon Co | Procede pour la preparation de l'acide acrylique ou de l'acide methacrylique |
FR2306188A1 (fr) * | 1975-04-03 | 1976-10-29 | Mitsubishi Rayon Co | Procede de preparation d'un acide carboxylique insature |
GB1498595A (en) * | 1975-05-23 | 1978-01-18 | Toyo Soda Mfg Co Ltd | Process for producing methacrylic acid and catalyst therefor |
DE2704991A1 (de) * | 1976-02-09 | 1977-08-11 | Toyo Soda Mfg Co Ltd | Verfahren zur herstellung von methacrylsaeure |
FR2369238A1 (fr) * | 1976-10-26 | 1978-05-26 | Nippon Zeon Co | Procede de preparation de l'acide methacrylique |
FR2407022A1 (fr) * | 1977-10-31 | 1979-05-25 | Nippon Kayaku Kk | Procede et catalyseur pour produire de l'acide methacrylique |
GB2016294A (en) * | 1978-01-17 | 1979-09-26 | Nippon Zeon Co | Catalyst for use in the oxidation of unsaturated aldehydes |
EP0006248A1 (fr) * | 1978-06-21 | 1980-01-09 | Nippon Kayaku Kabushiki Kaisha | Procédé de préparation de l'acide méthacrylique et catalyseur |
Also Published As
Publication number | Publication date |
---|---|
GB2046252A (en) | 1980-11-12 |
ES8103014A1 (es) | 1981-02-16 |
IT1195265B (it) | 1988-10-12 |
GB2046252B (en) | 1983-05-11 |
IT8020829A0 (it) | 1980-03-21 |
ES490544A0 (es) | 1981-02-16 |
NL8001507A (nl) | 1980-09-24 |
DE3010434A1 (de) | 1980-11-20 |
CS215020B2 (en) | 1982-06-25 |
US4652673A (en) | 1987-03-24 |
FR2451907B1 (fr) | 1986-10-24 |
SU1246889A3 (ru) | 1986-07-23 |
JPS55124734A (en) | 1980-09-26 |
BE882303A (fr) | 1980-09-19 |
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---|---|---|
FR2451907A1 (fr) | Procede pour produire de l'acide methacrylique par oxydation en phase vapeur de la methacroleine | |
ES8101533A1 (es) | Procedimiento para la fabricacion de metacroleina y acido metacrilico | |
ES8100241A1 (es) | Procedimiento para la fabricacion de acido metacrilico | |
GB1492185A (en) | Process for preparing methacrylic acid | |
KR910018335A (ko) | 불포화 알데히드 및 불포화 산의 제조방법 | |
FR2407022A1 (fr) | Procede et catalyseur pour produire de l'acide methacrylique | |
GB1481039A (en) | Process for preparing unsaturated carboxylic acids and catalyst for use therein | |
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ES461628A1 (es) | Procedimiento mejorado para preparar una composicion catali-tica. | |
EP0304867A3 (fr) | Procédé pour la préparation de la méthacroléine et de l'acide méthacrylique à partir de l'éther de méthyle et de tert.-butyle | |
JPS56166140A (en) | Preparation of methacrolein | |
GB1393915A (en) | Oxidation catalysts and a process for preparing unsaturated carboxylic acids using them | |
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ES481009A1 (es) | Procedimiento para la obtencion de metacroleina y acido metacrilico. | |
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FR2363372A1 (fr) | Catalyseur et procede pour la production d'acide methacrylique par oxydation de la methacroleine | |
JPS5246016A (en) | Process for preparation of methacrylic acid | |
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FR2398036A1 (fr) | Procede de preparation d'acide methacrylique par oxydation catalytique de methacroleine | |
BR8302974A (pt) | Catalisador e processo para oxidacao,em fase de vapor de aldeidos insaturados para dar acidos caboxilicos insaturados | |
ES446289A1 (es) | Un procedimiento mejorado para la produccion de acido acri- lico o de acido metacrilico. | |
GB1331423A (en) | Process for the production and use of an oxidation catalyst | |
GB1421956A (en) | Catalysts for the conversion of unsaturated aldehydes to acids | |
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