IT1086341B - Procedimento per produzione accresciuta di dimetil-tereftalato - Google Patents
Procedimento per produzione accresciuta di dimetil-tereftalatoInfo
- Publication number
- IT1086341B IT1086341B IT2620677A IT2620677A IT1086341B IT 1086341 B IT1086341 B IT 1086341B IT 2620677 A IT2620677 A IT 2620677A IT 2620677 A IT2620677 A IT 2620677A IT 1086341 B IT1086341 B IT 1086341B
- Authority
- IT
- Italy
- Prior art keywords
- terephthalate
- dimethyl
- procedure
- increased production
- production
- Prior art date
Links
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (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 |
|---|---|---|---|
| JP8864476A JPS6056698B2 (ja) | 1976-07-27 | 1976-07-27 | テレフタル酸ジメチルおよびその中間体の回収法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1086341B true IT1086341B (it) | 1985-05-28 |
Family
ID=13948517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2620677A IT1086341B (it) | 1976-07-27 | 1977-07-27 | Procedimento per produzione accresciuta di dimetil-tereftalato |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS6056698B2 (it) |
| DE (1) | DE2733548A1 (it) |
| FR (1) | FR2359814A1 (it) |
| IT (1) | IT1086341B (it) |
| NL (1) | NL7708274A (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4760165A (en) * | 1985-11-13 | 1988-07-26 | Teijin Petrochemical Industries, Ltd. | Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate |
| JPS62119396U (it) * | 1986-01-23 | 1987-07-29 | ||
| EP0953561A1 (en) * | 1998-04-29 | 1999-11-03 | ARTEVA TECHNOLOGIES S.à.r.l. | Preparation of dimethylterephthalate via the air oxidation of p-tolualdehyde |
-
1976
- 1976-07-27 JP JP8864476A patent/JPS6056698B2/ja not_active Expired
-
1977
- 1977-07-25 DE DE19772733548 patent/DE2733548A1/de active Pending
- 1977-07-26 NL NL7708274A patent/NL7708274A/xx not_active Application Discontinuation
- 1977-07-27 IT IT2620677A patent/IT1086341B/it active
- 1977-07-27 FR FR7723040A patent/FR2359814A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2359814A1 (fr) | 1978-02-24 |
| DE2733548A1 (de) | 1978-02-02 |
| NL7708274A (nl) | 1978-01-31 |
| JPS6056698B2 (ja) | 1985-12-11 |
| JPS5337634A (en) | 1978-04-06 |
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