JP2022520200A5 - - Google Patents
Info
- Publication number
- JP2022520200A5 JP2022520200A5 JP2021546724A JP2021546724A JP2022520200A5 JP 2022520200 A5 JP2022520200 A5 JP 2022520200A5 JP 2021546724 A JP2021546724 A JP 2021546724A JP 2021546724 A JP2021546724 A JP 2021546724A JP 2022520200 A5 JP2022520200 A5 JP 2022520200A5
- Authority
- JP
- Japan
- Prior art keywords
- range
- pressure
- mother liquor
- distillation
- cooling
- 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.)
- Withdrawn
Links
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19156178.6 | 2019-02-08 | ||
| EP19156178 | 2019-02-08 | ||
| PCT/EP2020/052968 WO2020161226A1 (en) | 2019-02-08 | 2020-02-06 | A process for obtaining 4,4'-dichlorodiphenyl sulfoxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022520200A JP2022520200A (ja) | 2022-03-29 |
| JP2022520200A5 true JP2022520200A5 (https=) | 2023-02-13 |
Family
ID=65365845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021546724A Withdrawn JP2022520200A (ja) | 2019-02-08 | 2020-02-06 | ４，４’－ジクロロジフェニルスルホキシドを得る方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20220135522A1 (https=) |
| EP (1) | EP3921303A1 (https=) |
| JP (1) | JP2022520200A (https=) |
| KR (1) | KR20210126007A (https=) |
| CN (1) | CN113454061A (https=) |
| WO (1) | WO2020161226A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022520769A (ja) * | 2019-02-08 | 2022-04-01 | ビーエーエスエフ ソシエタス・ヨーロピア | ４，４’－ジクロロジフェニルスルホキシド結晶（ｃ）を含む結晶組成物（ｃｃ） |
| WO2021037682A1 (en) * | 2019-08-27 | 2021-03-04 | Basf Se | A process for purifying crude 4,4'-dichlorodiphenyl sulfone |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2618582A (en) * | 1948-11-01 | 1952-11-18 | Union Oil Co | Pest control |
| SU765262A1 (ru) | 1977-12-30 | 1980-09-23 | Всесоюзный Научно-Исследовательский И Проектный Институт Мономеров | Способ получени 4,4 -дихлордифенилсульфона |
| RU2158257C1 (ru) * | 1999-12-10 | 2000-10-27 | Институт элементоорганических соединений им. А.Н. Несмеянова РАН | Способ получения 4,4'-дихлордифенилсульфоксида |
| RU2159764C1 (ru) * | 1999-12-10 | 2000-11-27 | Институт элементоорганических соединений им. А.Н. Несмеянова РАН | Способ получения 4,4'-дихлордифенилсульфоксида |
| WO2004029020A1 (ja) * | 2002-09-25 | 2004-04-08 | Konishi Chemical Ind. Co., Ltd. | 高純度4,4'−ジヒドロキシジフェニルスルホンの製造方法 |
| CN102351758A (zh) | 2011-08-25 | 2012-02-15 | 吴江市北厍盛源纺织品助剂厂 | 4.4–二氯二苯砜的新制备方法 |
| CN102351757A (zh) | 2011-08-25 | 2012-02-15 | 吴江市北厍盛源纺织品助剂厂 | 采用亚砜氧化制备4.4–二氯二苯砜的方法 |
| CN102351756A (zh) | 2011-08-25 | 2012-02-15 | 吴江市北厍盛源纺织品助剂厂 | 改进的4.4–二氯二苯砜制备方法 |
| CN104402780B (zh) | 2014-12-12 | 2016-04-27 | 山东凯盛新材料有限公司 | 4,4’-二氯二苯砜的合成工艺 |
| CN104557626A (zh) * | 2014-12-12 | 2015-04-29 | 山东凯盛新材料有限公司 | 亚砜氧化法制备4,4′-二氯二苯砜的工艺 |
| CN108047101A (zh) | 2017-12-07 | 2018-05-18 | 九江中星医药化工有限公司 | 一种高效连续生产4,4-二氯二苯砜的合成工艺 |
-
2020
- 2020-02-06 KR KR1020217024742A patent/KR20210126007A/ko not_active Abandoned
- 2020-02-06 CN CN202080012853.0A patent/CN113454061A/zh active Pending
- 2020-02-06 US US17/429,028 patent/US20220135522A1/en not_active Abandoned
- 2020-02-06 JP JP2021546724A patent/JP2022520200A/ja not_active Withdrawn
- 2020-02-06 EP EP20702659.2A patent/EP3921303A1/en not_active Withdrawn
- 2020-02-06 WO PCT/EP2020/052968 patent/WO2020161226A1/en not_active Ceased
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