BE823735A - Nouveau procede pour abaisser la teneur en terephtalaldehydate methyle dans le terephtalate de dimethyle - Google Patents
Nouveau procede pour abaisser la teneur en terephtalaldehydate methyle dans le terephtalate de dimethyleInfo
- Publication number
- BE823735A BE823735A BE151839A BE151839A BE823735A BE 823735 A BE823735 A BE 823735A BE 151839 A BE151839 A BE 151839A BE 151839 A BE151839 A BE 151839A BE 823735 A BE823735 A BE 823735A
- Authority
- BE
- Belgium
- Prior art keywords
- terephtalaldehydate
- lowering
- methyl
- content
- new process
- 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
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical class [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
-
- 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
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732363413 DE2363413C3 (de) | 1973-12-20 | Verfahren zur Reinigung von Dimethylterephthalat durch Verringerung seines Gehaltes an Terephthalaldehydsäuremethylester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE823735A true BE823735A (fr) | 1975-04-16 |
Family
ID=5901339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE151839A BE823735A (fr) | 1973-12-20 | 1974-12-20 | Nouveau procede pour abaisser la teneur en terephtalaldehydate methyle dans le terephtalate de dimethyle |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5095238A (fr) |
| BE (1) | BE823735A (fr) |
| ES (2) | ES433093A1 (fr) |
| FR (1) | FR2255285A1 (fr) |
| GB (1) | GB1491737A (fr) |
| IT (1) | IT1032172B (fr) |
| NL (1) | NL7416594A (fr) |
| RO (1) | RO65161A (fr) |
-
1974
- 1974-12-16 RO RO7480811A patent/RO65161A/fr unknown
- 1974-12-18 GB GB5458874A patent/GB1491737A/en not_active Expired
- 1974-12-18 IT IT5463074A patent/IT1032172B/it active
- 1974-12-19 ES ES433093A patent/ES433093A1/es not_active Expired
- 1974-12-19 NL NL7416594A patent/NL7416594A/xx not_active Application Discontinuation
- 1974-12-19 ES ES433092A patent/ES433092A1/es not_active Expired
- 1974-12-19 FR FR7441996A patent/FR2255285A1/fr not_active Withdrawn
- 1974-12-20 BE BE151839A patent/BE823735A/fr unknown
- 1974-12-20 JP JP14668174A patent/JPS5095238A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| RO65161A (fr) | 1980-06-15 |
| ES433092A1 (es) | 1976-12-01 |
| DE2363413B2 (de) | 1977-05-18 |
| FR2255285A1 (fr) | 1975-07-18 |
| NL7416594A (nl) | 1975-06-24 |
| DE2363413A1 (de) | 1975-07-03 |
| GB1491737A (en) | 1977-11-16 |
| JPS5095238A (fr) | 1975-07-29 |
| ES433093A1 (es) | 1976-12-01 |
| IT1032172B (it) | 1979-05-30 |
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