IT1033457B - Procedimento per produrre anidridi maleica pura - Google Patents
Procedimento per produrre anidridi maleica puraInfo
- Publication number
- IT1033457B IT1033457B IT20968/75A IT2096875A IT1033457B IT 1033457 B IT1033457 B IT 1033457B IT 20968/75 A IT20968/75 A IT 20968/75A IT 2096875 A IT2096875 A IT 2096875A IT 1033457 B IT1033457 B IT 1033457B
- Authority
- IT
- Italy
- Prior art keywords
- maleica
- dioxide
- procedure
- producing pure
- pure
- 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2411101A DE2411101A1 (de) | 1974-03-08 | 1974-03-08 | Verfahren zur herstellung von reinem maleinsaeureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1033457B true IT1033457B (it) | 1979-07-10 |
Family
ID=5909461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20968/75A IT1033457B (it) | 1974-03-08 | 1975-03-06 | Procedimento per produrre anidridi maleica pura |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4017520A (Direct) |
| BE (1) | BE826359A (Direct) |
| DE (1) | DE2411101A1 (Direct) |
| ES (1) | ES435355A1 (Direct) |
| FR (1) | FR2263245B1 (Direct) |
| GB (1) | GB1441380A (Direct) |
| IT (1) | IT1033457B (Direct) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954566A (en) * | 1989-05-04 | 1990-09-04 | Westvaco Corporation | Preparation of polymers with pendant organic moieties bound thereto via ester and/or amide bridges |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2340490A (en) * | 1939-03-27 | 1944-02-01 | Solvay Process Co | Dehydration of maleic acid |
| GB869297A (en) * | 1957-09-19 | 1961-05-31 | Yawata Iron & Steel Co | Continuous purification of crude maleic anhydride |
-
1974
- 1974-03-08 DE DE2411101A patent/DE2411101A1/de not_active Ceased
-
1975
- 1975-03-06 ES ES435355A patent/ES435355A1/es not_active Expired
- 1975-03-06 BE BE154061A patent/BE826359A/xx unknown
- 1975-03-06 IT IT20968/75A patent/IT1033457B/it active
- 1975-03-07 US US05/556,240 patent/US4017520A/en not_active Expired - Lifetime
- 1975-03-07 GB GB964875A patent/GB1441380A/en not_active Expired
- 1975-03-07 FR FR7507304A patent/FR2263245B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE826359A (fr) | 1975-06-30 |
| US4017520A (en) | 1977-04-12 |
| ES435355A1 (es) | 1976-12-01 |
| FR2263245B1 (Direct) | 1979-04-13 |
| FR2263245A1 (Direct) | 1975-10-03 |
| DE2411101A1 (de) | 1975-09-18 |
| GB1441380A (en) | 1976-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT1040590B (it) | Procedimento per produrre espansi poluuretanici | |
| IT1052541B (it) | Procedimento per produrre alluminio | |
| IT1046388B (it) | Procedimento per la produzione di idrogeno | |
| IT1059855B (it) | Procedimento per la produzione di policarbonati | |
| IT1036429B (it) | Procedimento per la produzione di dimetisolfossido | |
| IT1054435B (it) | Procedimento per la produzione di carbonilaldimminometanfosfonati | |
| IT1035777B (it) | Procedimento per produrre poliiso cianati | |
| IT1035919B (it) | Procedimento di preparazione di anidridi alchenilsucchiniche | |
| IT1041091B (it) | Procedimento per produrre chetoni | |
| IT1030645B (it) | Procedimento per la produzione di biossido di titanio | |
| IT1032246B (it) | Solfonati contenenti strutture uietere e procedimento per produrli | |
| IT1047280B (it) | Procedimento per la produzione di polieteri polioli | |
| IT1029470B (it) | Procedimento per la produzione di dragandpolisilossani modificati | |
| IT1041180B (it) | Procedimento per la produzione di diamminonaftalina | |
| IT1054363B (it) | Procedimento per produrre l cisteina e l cistina | |
| IT1029744B (it) | Procedimento per produrre fosfine organiche | |
| IT1033359B (it) | Procedimento per produrre alchilfenoli | |
| IT1033436B (it) | Processo per la preparazione di idrogeno | |
| IT1029437B (it) | Perfluorda-chiltioglicoli e procedimento per produrli | |
| IT1027882B (it) | Procedimento per la produzione di acito nitrico | |
| IT1056163B (it) | Procedimento per produrre alogeno antrachinoni | |
| IT1036877B (it) | Procedimento per produrre lacche autoreticlanti | |
| IT1033457B (it) | Procedimento per produrre anidridi maleica pura | |
| IT1039649B (it) | Procedimento per la produzione di pentaeritritolo | |
| IT1051040B (it) | Processo per la preparazione di gas di sintesi |