ES401842A1 - Procedimiento para la deshidratacion de acido piromelitico. - Google Patents
Procedimiento para la deshidratacion de acido piromelitico.Info
- Publication number
- ES401842A1 ES401842A1 ES401842A ES401842A ES401842A1 ES 401842 A1 ES401842 A1 ES 401842A1 ES 401842 A ES401842 A ES 401842A ES 401842 A ES401842 A ES 401842A ES 401842 A1 ES401842 A1 ES 401842A1
- Authority
- ES
- Spain
- Prior art keywords
- dehydration
- translation
- procedure
- machine
- legally binding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000018044 dehydration Effects 0.000 title abstract 2
- 238000006297 dehydration reaction Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 title 1
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
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)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH525971A CH536265A (de) | 1971-04-26 | 1971-04-26 | Verfahren zur Dehydratisierung von Pyromellithsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES401842A1 true ES401842A1 (es) | 1975-03-01 |
Family
ID=4290601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES401842A Expired ES401842A1 (es) | 1971-04-26 | 1972-04-17 | Procedimiento para la deshidratacion de acido piromelitico. |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE781731A (fr) |
| CH (1) | CH536265A (fr) |
| DE (1) | DE2151239A1 (fr) |
| ES (1) | ES401842A1 (fr) |
| FR (1) | FR2134515A1 (fr) |
| IT (1) | IT954906B (fr) |
| NL (1) | NL7205521A (fr) |
| ZA (1) | ZA722811B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0676413B2 (ja) * | 1985-09-10 | 1994-09-28 | 三菱瓦斯化学株式会社 | 無水ピロメリツト酸の製造方法 |
-
1971
- 1971-04-26 CH CH525971A patent/CH536265A/de not_active IP Right Cessation
- 1971-10-14 DE DE19712151239 patent/DE2151239A1/de active Pending
-
1972
- 1972-04-06 BE BE781731A patent/BE781731A/fr unknown
- 1972-04-17 ES ES401842A patent/ES401842A1/es not_active Expired
- 1972-04-24 IT IT23509/72A patent/IT954906B/it active
- 1972-04-24 NL NL7205521A patent/NL7205521A/xx unknown
- 1972-04-25 FR FR7214717A patent/FR2134515A1/fr active Granted
- 1972-04-26 ZA ZA722811A patent/ZA722811B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH536265A (de) | 1973-04-30 |
| DE2151239A1 (de) | 1972-11-09 |
| FR2134515A1 (en) | 1972-12-08 |
| FR2134515B1 (fr) | 1975-06-20 |
| IT954906B (it) | 1973-09-15 |
| BE781731A (fr) | 1972-07-31 |
| NL7205521A (fr) | 1972-10-30 |
| ZA722811B (en) | 1973-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES401842A1 (es) | Procedimiento para la deshidratacion de acido piromelitico. | |
| GB1204846A (en) | Stabilized maleic anhydride | |
| GB1121106A (en) | Process for the oxidation of a saturated hydrocarbon to a mixture containing the corresponding alcohol | |
| ES276341A1 (es) | Procedimiento de obtención de ácido adíptico | |
| ES395765A3 (es) | Procedimiento para la obtencion de una sal del acido ace- tilsalicilico. | |
| SU125248A1 (ru) | Способ получени 1-алкокси-3-оксихлорфосфин-4-хлорбутадиенов-1,3 | |
| ES395294A1 (es) | Procedimiento para preparar compuestos heterociclicos talescomo indol y derivados del mismo. | |
| ES396770A3 (es) | Procedimiento de fabricacion de resinas polimidamidicas. | |
| GB788349A (en) | Process for the synthesis of 1-bromo-4-chlorobutane | |
| ES278881A1 (es) | Procedimiento de aprovechamiento de anhídrido maleico de una mezcla gaseosa que contenga este cuerpo y agua | |
| ES401301A1 (es) | Procedimiento para la obtencion de productos de adicion re-ticulables de triglicidilisocianurato. | |
| GB755528A (en) | Improved dehydrogenation process | |
| GB792830A (en) | Method of separating aromatic secondary amines from mixtures of aromatic primary and secondary amines | |
| ES284408A1 (es) | Un procedimiento para preparar fenol | |
| ES406893A1 (es) | Procedimiento para la coccion de productos carbonados. | |
| ES203710A1 (es) | PROCEDIMIENTO PARA LA PREPARACIoN DE AMIDAS DE ACIDO METILEN-BIS-CARBOXiLICO | |
| NO137781C (no) | Fremgangsmaate til fremstilling av propionsyre ved omsetning av etylen med karbonmonoksyd og vann | |
| GB820114A (en) | Process for the manufacture of benzonitrile | |
| ES241381A1 (es) | PROCEDIMIENTO PARA LA SiNTESIS DE 5-HIDROXI-7-METIL-S-TRIAZOL (4,3-C)-PIRIMIDINAS. | |
| ES394443A1 (es) | Procedimiento para la obtencion de anhidrido maleico. | |
| ES277847A1 (es) | Procedimiento para la obtencion de acido cianhidrico y acido acético a partir de oxiaminoacetona | |
| ES404214A1 (es) | Procedimiento para la obtencion de esteres plastificantes altamente puros. | |
| ES232444A1 (es) | PROCEDIMIENTO PARA LA OBTENCIoN DE áCIDOS DICARBoNICOS CiCLICOS Y SUS SALES | |
| ES482576A3 (es) | Procedimiento para la fabricacion de 1,4-dioxido de 3-(2- quinoxalinilmetilen) carbazato de metilo. | |
| ES413096A1 (es) | Procedimiento de obtencion de borato de aluminio de formula9a1 o. |