IT1073186B - Procedimento per ricavare anidride maleica - Google Patents
Procedimento per ricavare anidride maleicaInfo
- Publication number
- IT1073186B IT1073186B IT4889877A IT4889877A IT1073186B IT 1073186 B IT1073186 B IT 1073186B IT 4889877 A IT4889877 A IT 4889877A IT 4889877 A IT4889877 A IT 4889877A IT 1073186 B IT1073186 B IT 1073186B
- Authority
- IT
- Italy
- Prior art keywords
- proceedings
- find
- maleic anhydride
- maleic
- anhydride
- 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
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
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)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH459276A CH617930A5 (en) | 1976-04-12 | 1976-04-12 | Method for preparing maleic anhydride. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1073186B true IT1073186B (it) | 1985-04-13 |
Family
ID=4278958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT4889877A IT1073186B (it) | 1976-04-12 | 1977-04-08 | Procedimento per ricavare anidride maleica |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS52125119A (it) |
AT (1) | AT352695B (it) |
BE (1) | BE853471A (it) |
CH (1) | CH617930A5 (it) |
DE (1) | DE2632053A1 (it) |
FR (1) | FR2348208A1 (it) |
GB (1) | GB1518660A (it) |
IT (1) | IT1073186B (it) |
NL (1) | NL7703962A (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1253698B (it) * | 1990-05-31 | 1995-08-23 | Sisas Spa | Procedimento per il recupero di anidride maleica da miscele di reazione |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2411567A (en) * | 1943-08-23 | 1946-11-26 | British Celanese | Manufacture of carboxylic acid anhydrides |
US2689863A (en) * | 1948-10-07 | 1954-09-21 | Union Carbide & Carbon Corp | Ester-anhydrides and the production thereof |
BE756951A (fr) * | 1969-10-01 | 1971-04-01 | Basf Ag | Procede perfectionne de preparation de l'anhydride maleique |
-
1976
- 1976-04-12 CH CH459276A patent/CH617930A5/de not_active IP Right Cessation
- 1976-07-16 DE DE19762632053 patent/DE2632053A1/de not_active Withdrawn
-
1977
- 1977-03-30 GB GB1338577A patent/GB1518660A/en not_active Expired
- 1977-04-08 AT AT250077A patent/AT352695B/de not_active IP Right Cessation
- 1977-04-08 IT IT4889877A patent/IT1073186B/it active
- 1977-04-12 JP JP4249777A patent/JPS52125119A/ja active Pending
- 1977-04-12 BE BE176600A patent/BE853471A/xx not_active IP Right Cessation
- 1977-04-12 FR FR7710952A patent/FR2348208A1/fr not_active Withdrawn
- 1977-04-12 NL NL7703962A patent/NL7703962A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CH617930A5 (en) | 1980-06-30 |
FR2348208A1 (fr) | 1977-11-10 |
DE2632053A1 (de) | 1977-10-27 |
ATA250077A (de) | 1979-03-15 |
NL7703962A (nl) | 1977-10-14 |
AT352695B (de) | 1979-10-10 |
JPS52125119A (en) | 1977-10-20 |
BE853471A (fr) | 1977-10-12 |
GB1518660A (en) | 1978-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE7701562L (sv) | Karboxialkylacylaminosyror | |
IT1134812B (it) | Apparecchio per impedire il rovesciamento | |
DK71980A (da) | Brokonverterkredsloeb | |
FR2335921A1 (fr) | Supraconducteur | |
DK585678A (da) | Radionukleaer generator | |
IT1066984B (it) | Disposizione circuitale per riconoscere i passaggi per lo zero di segnali | |
SE7813077L (sv) | Ekodempande krets | |
DK305776A (da) | Signalgenerator | |
SE426256B (sv) | Signalgenerator | |
IT1109793B (it) | Disposizione circuitale per amplificare segnali aperiodici | |
SE7700670L (sv) | Polyvinylbensensulfonsyror | |
SE428364B (sv) | Flytjacka | |
IT1114901B (it) | Procedimento per polimerizzare anidrite maleica | |
ATA759275A (de) | Runschablonen-waschvorrichtung | |
IT1073186B (it) | Procedimento per ricavare anidride maleica | |
SE7714655L (sv) | Substituerade pyridinkarboxylsyror | |
IT1085866B (it) | Procedimento per preparare solfon-acetali | |
JPS51100985A (ja) | Jugoyoshokubai | |
JPS51109939A (ja) | Butsushitsuokanetsuyokaishitetososuruhoho to kyujobifunmatsunoseiho to sonosochinitsuite | |
IT1080857B (it) | Disposizione circuitale per correggere segnali demodulati | |
ATA767378A (de) | Signalvorrichtung | |
IT1069288B (it) | Processo per produrre anidride citraconica | |
DK356779A (da) | Femgangsmaade til fremstilling af benzoesyreanhydrid | |
IT1121317B (it) | Guidoslitta | |
IT1077307B (it) | Perfezionamenti ai giunti meccanici |