FR2255286A1 - - Google Patents
Info
- Publication number
- FR2255286A1 FR2255286A1 FR7441997A FR7441997A FR2255286A1 FR 2255286 A1 FR2255286 A1 FR 2255286A1 FR 7441997 A FR7441997 A FR 7441997A FR 7441997 A FR7441997 A FR 7441997A FR 2255286 A1 FR2255286 A1 FR 2255286A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
-
- 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
- C07C67/39—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
- C07C67/60—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732363414 DE2363414C3 (en) | 1973-12-20 | 1973-12-20 | Process for the purification of dimethyl terephthalate by reducing the content of methyl terephthalaldehyde or its dimethylacetals |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2255286A1 true FR2255286A1 (en) | 1975-07-18 |
Family
ID=5901340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7441997A Withdrawn FR2255286A1 (en) | 1973-12-20 | 1974-12-19 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5095237A (en) |
BE (1) | BE823734A (en) |
DE (1) | DE2363414C3 (en) |
FR (1) | FR2255286A1 (en) |
GB (1) | GB1486320A (en) |
IT (1) | IT1026064B (en) |
NL (1) | NL7416593A (en) |
RO (1) | RO65160A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2442658A1 (en) * | 1978-11-30 | 1980-06-27 | Chinoin Gyogyszer Es Vegyeszet | Non-pyrophoric palladium catalyst prodn. - with regulated granule size and activity by adsorption on active charcoal with uniform pore distribution |
-
1973
- 1973-12-20 DE DE19732363414 patent/DE2363414C3/en not_active Expired
-
1974
- 1974-12-10 RO RO7480810A patent/RO65160A/en unknown
- 1974-12-18 IT IT5462374A patent/IT1026064B/en active
- 1974-12-18 GB GB5458774A patent/GB1486320A/en not_active Expired
- 1974-12-19 NL NL7416593A patent/NL7416593A/en not_active Application Discontinuation
- 1974-12-19 FR FR7441997A patent/FR2255286A1/fr not_active Withdrawn
- 1974-12-20 JP JP14668074A patent/JPS5095237A/ja active Pending
- 1974-12-20 BE BE151838A patent/BE823734A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2442658A1 (en) * | 1978-11-30 | 1980-06-27 | Chinoin Gyogyszer Es Vegyeszet | Non-pyrophoric palladium catalyst prodn. - with regulated granule size and activity by adsorption on active charcoal with uniform pore distribution |
Also Published As
Publication number | Publication date |
---|---|
RO65160A (en) | 1980-06-15 |
DE2363414A1 (en) | 1975-07-03 |
BE823734A (en) | 1975-04-16 |
JPS5095237A (en) | 1975-07-29 |
GB1486320A (en) | 1977-09-21 |
NL7416593A (en) | 1975-06-24 |
DE2363414B2 (en) | 1979-10-25 |
DE2363414C3 (en) | 1980-07-10 |
IT1026064B (en) | 1978-09-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |