BE715491A - - Google Patents
Info
- Publication number
- BE715491A BE715491A BE715491DA BE715491A BE 715491 A BE715491 A BE 715491A BE 715491D A BE715491D A BE 715491DA BE 715491 A BE715491 A BE 715491A
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64039967A | 1967-05-22 | 1967-05-22 | |
| US64041667A | 1967-05-22 | 1967-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE715491A true BE715491A (en:Method) | 1968-11-21 |
Family
ID=27093551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE715491D BE715491A (en:Method) | 1967-05-22 | 1968-05-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US3462510A (en:Method) |
| BE (1) | BE715491A (en:Method) |
| DE (1) | DE1768473A1 (en:Method) |
| FR (1) | FR1564410A (en:Method) |
| GB (1) | GB1221867A (en:Method) |
| NL (1) | NL6807290A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662013A (en) * | 1970-02-03 | 1972-05-09 | Mobil Oil Corp | Single stage crystallization process for separating high purity paraxylene |
| GB8624266D0 (en) * | 1986-10-09 | 1986-11-12 | Ici Plc | Separation process |
| 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 |
| CN115959968B (zh) * | 2021-10-11 | 2025-09-26 | 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 US640416A patent/US3462510A/en not_active Expired - Lifetime
- 1967-05-22 US US640399A patent/US3462506A/en not_active Expired - Lifetime
-
1968
- 1968-05-17 DE DE19681768473 patent/DE1768473A1/de active Pending
- 1968-05-20 GB GB23894/68A patent/GB1221867A/en not_active Expired
- 1968-05-21 BE BE715491D patent/BE715491A/xx unknown
- 1968-05-22 FR FR1564410D patent/FR1564410A/fr not_active Expired
- 1968-05-22 NL NL6807290A patent/NL6807290A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1768473A1 (de) | 1971-10-07 |
| FR1564410A (en:Method) | 1969-04-18 |
| NL6807290A (en:Method) | 1968-11-25 |
| US3462506A (en) | 1969-08-19 |
| GB1221867A (en) | 1971-02-10 |
| US3462510A (en) | 1969-08-19 |