ATE360003T1 - Verfahren zur rückgewinnung von 1,3-dimethyl-2- imidazolidinon - Google Patents
Verfahren zur rückgewinnung von 1,3-dimethyl-2- imidazolidinonInfo
- Publication number
- ATE360003T1 ATE360003T1 AT05252996T AT05252996T ATE360003T1 AT E360003 T1 ATE360003 T1 AT E360003T1 AT 05252996 T AT05252996 T AT 05252996T AT 05252996 T AT05252996 T AT 05252996T AT E360003 T1 ATE360003 T1 AT E360003T1
- Authority
- AT
- Austria
- Prior art keywords
- imidazolidinone
- dimethyl
- recovering
- aqueous solution
- solution containing
- Prior art date
Links
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 abstract 6
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 229910017053 inorganic salt Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/30—Oxygen or sulfur atoms
- C07D233/32—One oxygen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004147281A JP4586414B2 (ja) | 2004-05-18 | 2004-05-18 | １，３−ジメチル−２−イミダゾリジノンの回収方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE360003T1 true ATE360003T1 (de) | 2007-05-15 |
Family
ID=34941321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05252996T ATE360003T1 (de) | 2004-05-18 | 2005-05-16 | Verfahren zur rückgewinnung von 1,3-dimethyl-2- imidazolidinon |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7132548B2 (de) |
| EP (1) | EP1598342B1 (de) |
| JP (1) | JP4586414B2 (de) |
| AT (1) | ATE360003T1 (de) |
| DE (1) | DE602005000907T2 (de) |
| ES (1) | ES2284134T3 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55141450A (en) * | 1979-04-24 | 1980-11-05 | Ube Ind Ltd | Recovery of n-alkylamides |
| US4859781A (en) * | 1989-03-03 | 1989-08-22 | Phillips Petroleum Company | Recovery of N-methyl-2-pyrrolidone |
| JP2788497B2 (ja) * | 1989-07-06 | 1998-08-20 | 三井化学株式会社 | １，３―ジメチル―２―イミダゾリジノンの回収方法 |
| JP3164708B2 (ja) * | 1993-08-30 | 2001-05-08 | 三井化学株式会社 | １，３−ジメチル−２−イミダゾリジノンの回収方法 |
| JPH11152272A (ja) * | 1997-11-21 | 1999-06-08 | Mitsui Chem Inc | 非プロトン性極性溶媒の分液分離方法 |
-
2004
- 2004-05-18 JP JP2004147281A patent/JP4586414B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-16 DE DE602005000907T patent/DE602005000907T2/de not_active Expired - Lifetime
- 2005-05-16 AT AT05252996T patent/ATE360003T1/de not_active IP Right Cessation
- 2005-05-16 US US11/129,357 patent/US7132548B2/en not_active Expired - Fee Related
- 2005-05-16 ES ES05252996T patent/ES2284134T3/es not_active Expired - Lifetime
- 2005-05-16 EP EP05252996A patent/EP1598342B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20050261505A1 (en) | 2005-11-24 |
| JP2005330186A (ja) | 2005-12-02 |
| DE602005000907D1 (de) | 2007-05-31 |
| JP4586414B2 (ja) | 2010-11-24 |
| DE602005000907T2 (de) | 2008-01-17 |
| EP1598342A1 (de) | 2005-11-23 |
| US7132548B2 (en) | 2006-11-07 |
| EP1598342B1 (de) | 2007-04-18 |
| ES2284134T3 (es) | 2007-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |