NL7415270A - Werkwijze ter bereiding van methacrylzuur. - Google Patents
Werkwijze ter bereiding van methacrylzuur.Info
- Publication number
- NL7415270A NL7415270A NL7415270A NL7415270A NL7415270A NL 7415270 A NL7415270 A NL 7415270A NL 7415270 A NL7415270 A NL 7415270A NL 7415270 A NL7415270 A NL 7415270A NL 7415270 A NL7415270 A NL 7415270A
- Authority
- NL
- Netherlands
- Prior art keywords
- methacrylic acid
- preparing methacrylic
- preparing
- acid
- methacrylic
- Prior art date
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13132573A JPS5523815B2 (nl) | 1973-11-22 | 1973-11-22 | |
JP49029405A JPS582933B2 (ja) | 1974-03-14 | 1974-03-14 | メタクリルサンノ セイゾウホウホウ |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7415270A true NL7415270A (nl) | 1975-05-26 |
Family
ID=26367611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7415270A NL7415270A (nl) | 1973-11-22 | 1974-11-22 | Werkwijze ter bereiding van methacrylzuur. |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2454587C2 (nl) |
FR (1) | FR2252325B1 (nl) |
GB (1) | GB1487765A (nl) |
IT (1) | IT1025936B (nl) |
NL (1) | NL7415270A (nl) |
Families Citing this family (3)
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)
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 |
-
1974
- 1974-11-14 GB GB4934574A patent/GB1487765A/en not_active Expired
- 1974-11-18 DE DE19742454587 patent/DE2454587C2/de not_active Expired
- 1974-11-22 NL NL7415270A patent/NL7415270A/nl not_active Application Discontinuation
- 1974-11-22 FR FR7438462A patent/FR2252325B1/fr not_active Expired
- 1974-11-22 IT IT2973974A patent/IT1025936B/it active
Also Published As
Publication number | Publication date |
---|---|
IT1025936B (it) | 1978-08-30 |
DE2454587A1 (de) | 1975-05-28 |
FR2252325A1 (nl) | 1975-06-20 |
FR2252325B1 (nl) | 1978-06-16 |
DE2454587C2 (de) | 1984-04-26 |
GB1487765A (en) | 1977-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |