BE715336A - - Google Patents
Info
- Publication number
- BE715336A BE715336A BE715336DA BE715336A BE 715336 A BE715336 A BE 715336A BE 715336D A BE715336D A BE 715336DA BE 715336 A BE715336 A BE 715336A
- Authority
- BE
- Belgium
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 |
|---|---|---|---|
| US64041267A | 1967-05-22 | 1967-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE715336A true BE715336A (en:Method) | 1968-11-18 |
Family
ID=24568127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE715336D BE715336A (en:Method) | 1967-05-22 | 1968-05-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3462508A (en:Method) |
| BE (1) | BE715336A (en:Method) |
| DE (1) | DE1768476A1 (en:Method) |
| FR (1) | FR1563503A (en:Method) |
| GB (1) | GB1208364A (en:Method) |
| NL (1) | NL6807289A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8624266D0 (en) * | 1986-10-09 | 1986-11-12 | Ici Plc | Separation process |
| 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.-% |
| FR2728894A1 (fr) * | 1994-12-29 | 1996-07-05 | Inst Francais Du Petrole | Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature |
| US8252967B2 (en) | 2009-04-14 | 2012-08-28 | Exxonmobil Chemical Patents Inc. | Process for the purification of paraxylene |
| CN112679304B (zh) * | 2019-10-18 | 2022-11-04 | 中国石油化工股份有限公司 | 一种生产对二甲苯的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA571632A (en) * | 1959-03-03 | M. Powers John | Method for recovering paraxylene | |
| US2795634A (en) * | 1953-05-01 | 1957-06-11 | Standard Oil Co | Recovery of ortho-and para-xylenes from c8 aromatic mixtures |
| GB949161A (en) * | 1959-04-30 | 1964-02-12 | Maruzen Sekiyu Kabushiki Kaish | A process and apparatus for manufacturing high purity p-xylene |
-
1967
- 1967-05-22 US US640412A patent/US3462508A/en not_active Expired - Lifetime
-
1968
- 1968-04-25 GB GB09614/68A patent/GB1208364A/en not_active Expired
- 1968-05-17 FR FR1563503D patent/FR1563503A/fr not_active Expired
- 1968-05-17 DE DE19681768476 patent/DE1768476A1/de active Pending
- 1968-05-17 BE BE715336D patent/BE715336A/xx unknown
- 1968-05-22 NL NL6807289A patent/NL6807289A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6807289A (en:Method) | 1968-11-25 |
| GB1208364A (en) | 1970-10-14 |
| DE1768476A1 (de) | 1971-11-11 |
| US3462508A (en) | 1969-08-19 |
| FR1563503A (en:Method) | 1969-04-11 |