JPS4985030A - - Google Patents
Info
- Publication number
- JPS4985030A JPS4985030A JP48090449A JP9044973A JPS4985030A JP S4985030 A JPS4985030 A JP S4985030A JP 48090449 A JP48090449 A JP 48090449A JP 9044973 A JP9044973 A JP 9044973A JP S4985030 A JPS4985030 A JP S4985030A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27985372A | 1972-08-11 | 1972-08-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4985030A true JPS4985030A (en:Method) | 1974-08-15 |
| JPS5538936B2 JPS5538936B2 (en:Method) | 1980-10-07 |
Family
ID=23070651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9044973A Expired JPS5538936B2 (en:Method) | 1972-08-11 | 1973-08-11 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3798282A (en:Method) |
| JP (1) | JPS5538936B2 (en:Method) |
| BE (1) | BE803510A (en:Method) |
| DE (1) | DE2340625A1 (en:Method) |
| FR (1) | FR2195609B1 (en:Method) |
| GB (1) | GB1414214A (en:Method) |
| IT (1) | IT990227B (en:Method) |
| NL (1) | NL7311075A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1476222A (en) * | 1974-11-21 | 1977-06-10 | Ici Ltd | Separating xylenes by crystal size classification |
| DE3839229A1 (de) * | 1988-11-19 | 1990-05-23 | Krupp Koppers Gmbh | Verfahren zur gewinnung von p-xylol mit einer reinheit von mehr als 99,8 gew.-% |
| CA2335052C (en) | 1998-06-12 | 2006-08-15 | Washington Group International, Inc. | Production of high purity meta-xylene |
| CN113144660B (zh) * | 2021-02-05 | 2023-03-03 | 成都思达能环保设备有限公司 | 一种结晶方法及系统 |
| CN118925272B (zh) * | 2024-10-12 | 2025-01-28 | 安徽瑞邦生物科技有限公司 | 一种l-缬氨酸的提纯设备及其提纯方法 |
-
1972
- 1972-08-11 US US00279853A patent/US3798282A/en not_active Expired - Lifetime
-
1973
- 1973-08-10 IT IT51979/73A patent/IT990227B/it active
- 1973-08-10 GB GB3803173A patent/GB1414214A/en not_active Expired
- 1973-08-10 BE BE134494A patent/BE803510A/xx not_active IP Right Cessation
- 1973-08-10 FR FR7329309A patent/FR2195609B1/fr not_active Expired
- 1973-08-10 NL NL7311075A patent/NL7311075A/xx not_active Application Discontinuation
- 1973-08-10 DE DE19732340625 patent/DE2340625A1/de not_active Ceased
- 1973-08-11 JP JP9044973A patent/JPS5538936B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3798282A (en) | 1974-03-19 |
| FR2195609B1 (en:Method) | 1978-08-11 |
| IT990227B (it) | 1975-06-20 |
| FR2195609A1 (en:Method) | 1974-03-08 |
| DE2340625A1 (de) | 1974-03-07 |
| NL7311075A (en:Method) | 1974-02-13 |
| GB1414214A (en) | 1975-11-19 |
| BE803510A (fr) | 1974-02-11 |
| JPS5538936B2 (en:Method) | 1980-10-07 |