FR2274585B1 - - Google Patents
Info
- Publication number
- FR2274585B1 FR2274585B1 FR7518625A FR7518625A FR2274585B1 FR 2274585 B1 FR2274585 B1 FR 2274585B1 FR 7518625 A FR7518625 A FR 7518625A FR 7518625 A FR7518625 A FR 7518625A FR 2274585 B1 FR2274585 B1 FR 2274585B1
- 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
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic 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 |
|---|---|---|---|
| DD17912574A DD115897A1 (en) | 1974-06-13 | 1974-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2274585A1 FR2274585A1 (en) | 1976-01-09 |
| FR2274585B1 true FR2274585B1 (en) | 1980-08-08 |
Family
ID=5496138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7518625A Granted FR2274585A1 (en) | 1974-06-13 | 1975-06-13 | PROCESS FOR OBTAINING PURE STYRENE FROM TECHNICAL QUALITY MIXTURES |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS186932B1 (en) |
| DD (1) | DD115897A1 (en) |
| DE (1) | DE2521154A1 (en) |
| FR (1) | FR2274585A1 (en) |
| GB (1) | GB1492266A (en) |
| SU (1) | SU564300A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8362313B2 (en) * | 2009-07-17 | 2013-01-29 | Gtc Technology, Lp | Processes and systems for recovery of styrene from a styrene-containing feedstock |
| CN102311304B (en) * | 2010-06-29 | 2014-10-01 | 中国石油化工股份有限公司 | Complex solvent for separating out styrene through extractive distillation and application thereof |
| WO2019137383A1 (en) * | 2018-01-12 | 2019-07-18 | 中国石油化工股份有限公司 | Purification of solvent used for extractive rectification separation of styrene and styrene separation method |
| RU2722271C1 (en) * | 2019-10-02 | 2020-05-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Method of extracting styrene from pyro-condensate fraction c8 |
-
1974
- 1974-06-13 DD DD17912574A patent/DD115897A1/xx unknown
-
1975
- 1975-05-13 DE DE19752521154 patent/DE2521154A1/en not_active Withdrawn
- 1975-05-23 GB GB2288975A patent/GB1492266A/en not_active Expired
- 1975-06-12 SU SU7502142901A patent/SU564300A1/en active
- 1975-06-12 CS CS416975A patent/CS186932B1/en unknown
- 1975-06-13 FR FR7518625A patent/FR2274585A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1492266A (en) | 1977-11-16 |
| SU564300A1 (en) | 1977-07-05 |
| FR2274585A1 (en) | 1976-01-09 |
| DE2521154A1 (en) | 1976-02-26 |
| DD115897A1 (en) | 1975-10-20 |
| CS186932B1 (en) | 1978-12-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |