DD106631A1 - - Google Patents
Info
- Publication number
- DD106631A1 DD106631A1 DD15938071A DD15938071A DD106631A1 DD 106631 A1 DD106631 A1 DD 106631A1 DD 15938071 A DD15938071 A DD 15938071A DD 15938071 A DD15938071 A DD 15938071A DD 106631 A1 DD106631 A1 DD 106631A1
- Authority
- DD
- German Democratic Republic
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15938071A DD106631A1 (it) | 1971-12-06 | 1971-12-06 | |
| DE19722255394 DE2255394A1 (de) | 1971-12-06 | 1972-11-11 | Verfahren zur herstellung von maleinsaeureanhydrid durch katalytische oxydation ungesaettigter geradkettiger kohlenwasserstoffe |
| CS828872A CS170052B1 (it) | 1971-12-06 | 1972-12-04 | |
| FR7243067A FR2162419A1 (en) | 1971-12-06 | 1972-12-04 | Maleic anhydride prepn - using catalyst layers at different temps |
| RO7305072A RO62351A (fr) | 1971-12-06 | 1972-12-06 | Procede pour obtenir l'anhydride maleique |
| SU7201855792A SU576317A1 (ru) | 1971-12-06 | 1972-12-06 | Способ получени малеинового ангидрида |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15938071A DD106631A1 (it) | 1971-12-06 | 1971-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD106631A1 true DD106631A1 (it) | 1974-06-20 |
Family
ID=5484729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD15938071A DD106631A1 (it) | 1971-12-06 | 1971-12-06 |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS170052B1 (it) |
| DD (1) | DD106631A1 (it) |
| DE (1) | DE2255394A1 (it) |
| FR (1) | FR2162419A1 (it) |
| RO (1) | RO62351A (it) |
| SU (1) | SU576317A1 (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108874A (en) * | 1974-04-09 | 1978-08-22 | Takeda Chemical Industries, Ltd. | Production of maleic anhydride |
| US4075232A (en) * | 1975-03-06 | 1978-02-21 | The Standard Oil Company | Preparation of maleic anhydride from n-butene in a one-reactor, fluid-bed system using two different catalysts |
| GB1591307A (en) * | 1976-11-11 | 1981-06-17 | Ici Ltd | Production of maleic anhydride and catalysts therefor |
-
1971
- 1971-12-06 DD DD15938071A patent/DD106631A1/xx unknown
-
1972
- 1972-11-11 DE DE19722255394 patent/DE2255394A1/de active Pending
- 1972-12-04 FR FR7243067A patent/FR2162419A1/fr active Granted
- 1972-12-04 CS CS828872A patent/CS170052B1/cs unknown
- 1972-12-06 RO RO7305072A patent/RO62351A/ro unknown
- 1972-12-06 SU SU7201855792A patent/SU576317A1/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| CS170052B1 (it) | 1976-08-27 |
| SU576317A1 (ru) | 1977-10-15 |
| RO62351A (fr) | 1977-10-15 |
| FR2162419A1 (en) | 1973-07-20 |
| DE2255394A1 (de) | 1973-08-16 |
| FR2162419B1 (it) | 1975-10-17 |