CH585682A5 - - Google Patents
Info
- Publication number
- CH585682A5 CH585682A5 CH1269273A CH1269273A CH585682A5 CH 585682 A5 CH585682 A5 CH 585682A5 CH 1269273 A CH1269273 A CH 1269273A CH 1269273 A CH1269273 A CH 1269273A CH 585682 A5 CH585682 A5 CH 585682A5
- Authority
- CH
- Switzerland
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
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
- C07C45/84—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by azeotropic 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 |
|---|---|---|---|
| DE2243810 | 1972-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH585682A5 true CH585682A5 (pt) | 1977-03-15 |
Family
ID=5855640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1269273A CH585682A5 (pt) | 1972-09-07 | 1973-09-04 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3894916A (pt) |
| JP (1) | JPS4966614A (pt) |
| BE (1) | BE804582A (pt) |
| CA (1) | CA1008795A (pt) |
| CH (1) | CH585682A5 (pt) |
| DE (1) | DE2243810C2 (pt) |
| FR (1) | FR2198916B1 (pt) |
| GB (1) | GB1435169A (pt) |
| NL (1) | NL7311840A (pt) |
| SU (1) | SU518121A3 (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559111A (en) * | 1984-12-20 | 1985-12-17 | Phillips Petroleum Company | Azeotropic purification of Z-11-hexadecenal |
| US4816606A (en) * | 1987-09-30 | 1989-03-28 | Basf Aktiengesellschaft | Continuous preparation of aldehydes and ketones |
| DE19722567A1 (de) * | 1997-05-28 | 1998-12-03 | Basf Ag | Verfahren zur kontinuierlichen technischen Herstellung ungesättigter aliphatischer Aldehyde in einem Rohrbündelreaktor |
| CN110407680B (zh) * | 2019-08-20 | 2022-08-02 | 万华化学集团股份有限公司 | 一种制备异戊烯醛的方法 |
| CN110950748B (zh) * | 2019-12-06 | 2022-09-16 | 万华化学集团股份有限公司 | 一种3-甲基-3-丁烯-1-醇和3-甲基-2-丁烯-1-醛的分离方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2514966A (en) * | 1948-01-09 | 1950-07-11 | Shell Dev | Refining and concentrating crude unsaturated aldehydes by extractive distillation |
| US2767216A (en) * | 1955-10-31 | 1956-10-16 | Shell Dev | Drying of acrolein by extractive separation with glycerol |
| US2862978A (en) * | 1957-04-25 | 1958-12-02 | Shell Dev | Synthetic glycerine production with intermediate removal of acrolein |
| US3220932A (en) * | 1964-03-10 | 1965-11-30 | Union Carbide Corp | Recovery of acrolein from propionaldehyde by extractive distillation |
-
1972
- 1972-09-07 DE DE2243810A patent/DE2243810C2/de not_active Expired
-
1973
- 1973-08-28 CA CA179,825A patent/CA1008795A/en not_active Expired
- 1973-08-28 NL NL7311840A patent/NL7311840A/xx not_active Application Discontinuation
- 1973-08-29 US US392821A patent/US3894916A/en not_active Expired - Lifetime
- 1973-09-03 FR FR7331735A patent/FR2198916B1/fr not_active Expired
- 1973-09-04 CH CH1269273A patent/CH585682A5/xx not_active IP Right Cessation
- 1973-09-05 SU SU1960649A patent/SU518121A3/ru active
- 1973-09-06 GB GB4190973A patent/GB1435169A/en not_active Expired
- 1973-09-07 BE BE135420A patent/BE804582A/xx not_active IP Right Cessation
- 1973-09-07 JP JP48100450A patent/JPS4966614A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SU518121A3 (ru) | 1976-06-15 |
| CA1008795A (en) | 1977-04-19 |
| NL7311840A (pt) | 1974-03-11 |
| GB1435169A (en) | 1976-05-12 |
| FR2198916B1 (pt) | 1977-02-25 |
| BE804582A (fr) | 1974-03-07 |
| JPS4966614A (pt) | 1974-06-27 |
| DE2243810B1 (pt) | 1973-10-04 |
| US3894916A (en) | 1975-07-15 |
| DE2243810C2 (de) | 1974-05-02 |
| FR2198916A1 (pt) | 1974-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |