IT977275B - Procedimento per la preparazione di anidridi alchilsostituite in particolare acido maleico metil sostituito - Google Patents
Procedimento per la preparazione di anidridi alchilsostituite in particolare acido maleico metil sostituitoInfo
- Publication number
- IT977275B IT977275B IT4815673A IT4815673A IT977275B IT 977275 B IT977275 B IT 977275B IT 4815673 A IT4815673 A IT 4815673A IT 4815673 A IT4815673 A IT 4815673A IT 977275 B IT977275 B IT 977275B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- acid methyl
- maleic acid
- anhydrides
- Prior art date
Links
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
-
- 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
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722206713 DE2206713A1 (de) | 1972-02-12 | 1972-02-12 | Verfahren zur herstellung von anhydriden alkylsubstituierter, insbesondere methylsubstituierter maleinsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT977275B true IT977275B (it) | 1974-09-10 |
Family
ID=5835823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT4815673A IT977275B (it) | 1972-02-12 | 1973-02-09 | Procedimento per la preparazione di anidridi alchilsostituite in particolare acido maleico metil sostituito |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4891015A (it) |
| DE (1) | DE2206713A1 (it) |
| FR (1) | FR2171431A1 (it) |
| IT (1) | IT977275B (it) |
| NL (1) | NL7301973A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1193931B (it) * | 1980-04-02 | 1988-08-31 | Alusuisse Italia Spa | Catalizzatore per la produzione di anidride maleica |
-
1972
- 1972-02-12 DE DE19722206713 patent/DE2206713A1/de active Pending
-
1973
- 1973-02-09 IT IT4815673A patent/IT977275B/it active
- 1973-02-12 JP JP1736473A patent/JPS4891015A/ja active Pending
- 1973-02-12 FR FR7304865A patent/FR2171431A1/fr active Granted
- 1973-02-12 NL NL7301973A patent/NL7301973A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2171431A1 (en) | 1973-09-21 |
| FR2171431B3 (it) | 1976-02-06 |
| JPS4891015A (it) | 1973-11-27 |
| NL7301973A (it) | 1973-08-14 |
| DE2206713A1 (de) | 1973-08-23 |
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