DE3569378D1 - Process to concentrate dilute aqueous solutions of ethylene oxide - Google Patents
Process to concentrate dilute aqueous solutions of ethylene oxideInfo
- Publication number
- DE3569378D1 DE3569378D1 DE8585420188T DE3569378T DE3569378D1 DE 3569378 D1 DE3569378 D1 DE 3569378D1 DE 8585420188 T DE8585420188 T DE 8585420188T DE 3569378 T DE3569378 T DE 3569378T DE 3569378 D1 DE3569378 D1 DE 3569378D1
- Authority
- DE
- Germany
- Prior art keywords
- ethylene oxide
- aqueous solutions
- dilute aqueous
- concentrate dilute
- concentrate
- Prior art date
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/32—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8416827A FR2572403B1 (fr) | 1984-10-31 | 1984-10-31 | Procede pour concentrer des solutions aqueuses diluees d'oxyde d'ethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3569378D1 true DE3569378D1 (en) | 1989-05-18 |
Family
ID=9309268
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8585420188T Expired DE3569378D1 (en) | 1984-10-31 | 1985-10-22 | Process to concentrate dilute aqueous solutions of ethylene oxide |
| DE1985420188 Pending DE181273T1 (de) | 1984-10-31 | 1985-10-22 | Verfahren um waessrige verduennte loesungen von ethylenoxid zu konzentrieren. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1985420188 Pending DE181273T1 (de) | 1984-10-31 | 1985-10-22 | Verfahren um waessrige verduennte loesungen von ethylenoxid zu konzentrieren. |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0181273B1 (de) |
| JP (1) | JPS61109783A (de) |
| CN (1) | CN1005977B (de) |
| BR (1) | BR8505371A (de) |
| CA (1) | CA1288380C (de) |
| DD (1) | DD239122A5 (de) |
| DE (2) | DE3569378D1 (de) |
| ES (1) | ES8607268A1 (de) |
| FR (1) | FR2572403B1 (de) |
| IN (1) | IN165239B (de) |
| SU (1) | SU1440344A3 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843721A1 (de) * | 1998-09-23 | 2000-03-30 | Basf Ag | Verfahren zur kontinuierlichen Herstellung einer wässrigen Ethylenoxid-Lösung |
| CA2712985C (en) | 2008-01-25 | 2016-08-09 | Dow Technology Investments Llc | Reflux condenser |
| US8183400B2 (en) | 2008-07-31 | 2012-05-22 | Dow Technology Investments Llc | Alkylene oxide recovery systems |
| CN109422708B (zh) * | 2017-08-28 | 2021-03-30 | 中国石油化工股份有限公司 | 环氧乙烷纯化方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3217466A (en) * | 1962-05-22 | 1965-11-16 | Lummus Co | Recovery of ethylene oxide |
| IT971365B (it) * | 1972-11-30 | 1974-04-30 | Sir Soc Italiana Resine Spa | Procedimento per il recupero dell ossido di etilene |
| US3964980A (en) * | 1975-03-24 | 1976-06-22 | Halcon International, Inc. | Process for the recovery of ethylene oxide |
-
1984
- 1984-10-31 FR FR8416827A patent/FR2572403B1/fr not_active Expired
-
1985
- 1985-10-01 ES ES547453A patent/ES8607268A1/es not_active Expired
- 1985-10-15 IN IN809/MAS/85A patent/IN165239B/en unknown
- 1985-10-16 SU SU853964101A patent/SU1440344A3/ru active
- 1985-10-22 EP EP19850420188 patent/EP0181273B1/de not_active Expired
- 1985-10-22 DE DE8585420188T patent/DE3569378D1/de not_active Expired
- 1985-10-22 DE DE1985420188 patent/DE181273T1/de active Pending
- 1985-10-29 BR BR8505371A patent/BR8505371A/pt not_active IP Right Cessation
- 1985-10-30 JP JP24175785A patent/JPS61109783A/ja active Granted
- 1985-10-30 CA CA000494228A patent/CA1288380C/fr not_active Expired - Lifetime
- 1985-10-30 CN CN85107970.9A patent/CN1005977B/zh not_active Expired
- 1985-10-30 DD DD28223085A patent/DD239122A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2572403B1 (fr) | 1988-07-29 |
| IN165239B (de) | 1989-09-02 |
| DE181273T1 (de) | 1986-10-16 |
| EP0181273A1 (de) | 1986-05-14 |
| JPS61109783A (ja) | 1986-05-28 |
| SU1440344A3 (ru) | 1988-11-23 |
| CN85107970A (zh) | 1986-06-10 |
| ES8607268A1 (es) | 1986-05-16 |
| CA1288380C (fr) | 1991-09-03 |
| JPH0129188B2 (de) | 1989-06-08 |
| EP0181273B1 (de) | 1989-04-12 |
| FR2572403A1 (fr) | 1986-05-02 |
| BR8505371A (pt) | 1986-08-05 |
| ES547453A0 (es) | 1986-05-16 |
| DD239122A5 (de) | 1986-09-17 |
| CN1005977B (zh) | 1989-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |