FR2239442B1 - - Google Patents
Info
- Publication number
- FR2239442B1 FR2239442B1 FR7426787A FR7426787A FR2239442B1 FR 2239442 B1 FR2239442 B1 FR 2239442B1 FR 7426787 A FR7426787 A FR 7426787A FR 7426787 A FR7426787 A FR 7426787A FR 2239442 B1 FR2239442 B1 FR 2239442B1
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
- C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732339086 DE2339086A1 (en) | 1973-08-02 | 1973-08-02 | PROCESS FOR PRODUCING TEREPHTHALDIALDEHYDE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2239442A1 FR2239442A1 (en) | 1975-02-28 |
| FR2239442B1 true FR2239442B1 (en) | 1978-08-11 |
Family
ID=5888637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7426787A Expired FR2239442B1 (en) | 1973-08-02 | 1974-08-01 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5041832A (en) |
| BE (1) | BE818295A (en) |
| CH (1) | CH593893A5 (en) |
| DE (1) | DE2339086A1 (en) |
| DK (1) | DK388974A (en) |
| FI (1) | FI229974A (en) |
| FR (1) | FR2239442B1 (en) |
| GB (1) | GB1473935A (en) |
| IT (1) | IT1018783B (en) |
| NL (1) | NL7410433A (en) |
| SE (1) | SE7407621L (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834051A1 (en) * | 1978-08-03 | 1980-02-21 | Dynamit Nobel Ag | METHOD FOR PRODUCING TEREPHTHAL, ISOPHTHAL AND PHTHALDIALDEHYDE |
| DE2934614C2 (en) * | 1979-08-28 | 1982-05-06 | Dynamit Nobel Ag, 5210 Troisdorf | Process for the production of terephthalaldehyde or isophthalaldehyde |
| KR101040700B1 (en) * | 2006-11-16 | 2011-06-10 | 주식회사 엘지화학 | Purification method of terephthal aldehyde |
| CN103896751B (en) * | 2014-03-24 | 2015-12-02 | 福建远大医药科技有限公司 | A kind of Recycling Mother Solution of producing terephthalaldehyde applies mechanically technique |
-
1973
- 1973-08-02 DE DE19732339086 patent/DE2339086A1/en active Pending
-
1974
- 1974-06-10 SE SE7407621A patent/SE7407621L/xx not_active Application Discontinuation
- 1974-07-18 DK DK388974A patent/DK388974A/da unknown
- 1974-07-26 CH CH1033274A patent/CH593893A5/xx not_active IP Right Cessation
- 1974-07-31 BE BE147115A patent/BE818295A/en unknown
- 1974-07-31 IT IT5237674A patent/IT1018783B/en active
- 1974-08-01 FR FR7426787A patent/FR2239442B1/fr not_active Expired
- 1974-08-01 JP JP8860574A patent/JPS5041832A/ja active Pending
- 1974-08-01 FI FI229974A patent/FI229974A/fi unknown
- 1974-08-01 GB GB3409174A patent/GB1473935A/en not_active Expired
- 1974-08-02 NL NL7410433A patent/NL7410433A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2339086A1 (en) | 1975-02-20 |
| JPS5041832A (en) | 1975-04-16 |
| SE7407621L (en) | 1975-02-03 |
| FR2239442A1 (en) | 1975-02-28 |
| BE818295A (en) | 1974-11-18 |
| GB1473935A (en) | 1977-05-18 |
| NL7410433A (en) | 1975-02-04 |
| DK388974A (en) | 1975-04-01 |
| FI229974A (en) | 1975-02-03 |
| IT1018783B (en) | 1977-10-20 |
| CH593893A5 (en) | 1977-12-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |