CN1244552C - 苯二甲腈气体吸收分离方法 - Google Patents
苯二甲腈气体吸收分离方法 Download PDFInfo
- Publication number
- CN1244552C CN1244552C CN 200410041028 CN200410041028A CN1244552C CN 1244552 C CN1244552 C CN 1244552C CN 200410041028 CN200410041028 CN 200410041028 CN 200410041028 A CN200410041028 A CN 200410041028A CN 1244552 C CN1244552 C CN 1244552C
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- CN
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- Prior art keywords
- absorption
- gas
- benzene dicarbonitrile
- absorbing
- circulation
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- 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.)
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200410041028 CN1244552C (zh) | 2004-06-18 | 2004-06-18 | 苯二甲腈气体吸收分离方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200410041028 CN1244552C (zh) | 2004-06-18 | 2004-06-18 | 苯二甲腈气体吸收分离方法 |
Publications (2)
Publication Number | Publication Date |
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CN1594290A CN1594290A (zh) | 2005-03-16 |
CN1244552C true CN1244552C (zh) | 2006-03-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200410041028 Expired - Fee Related CN1244552C (zh) | 2004-06-18 | 2004-06-18 | 苯二甲腈气体吸收分离方法 |
Country Status (1)
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CN (1) | CN1244552C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106892840B (zh) * | 2015-12-18 | 2019-04-05 | 上海泰禾国际贸易有限公司 | 一种精制对苯二甲腈的方法 |
CN110256291B (zh) * | 2019-07-26 | 2022-02-22 | 江阴苏利化学股份有限公司 | 一种氨氧化反应产生的高温混合气体中苯二甲腈的分离方法 |
CN113429314A (zh) * | 2021-06-22 | 2021-09-24 | 四川金象赛瑞化工股份有限公司 | 一种硝酸铵和苯二甲胺联产方法及换热网络 |
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2004
- 2004-06-18 CN CN 200410041028 patent/CN1244552C/zh not_active Expired - Fee Related
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Publication number | Publication date |
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CN1594290A (zh) | 2005-03-16 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dynamic (Nanjing) Chemical Industry Co., Ltd. Assignor: Jiangsu Tianying Chemical Industrial Co., Ltd. Contract fulfillment period: 2004.1.18 to 2014.1.18 contract change Contract record no.: 2008320000169 Denomination of invention: Process for absorbing and separating phthalonitrile gas Granted publication date: 20060308 License type: Exclusive license Record date: 2008.9.22 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2004.1.18 TO 2014.1.18 Name of requester: DANA (NANJING) CHEMICAL CO., LTD. Effective date: 20080922 |
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ASS | Succession or assignment of patent right |
Owner name: JIANGSU TIANYIN CHEMICAL CO., LTD. Free format text: FORMER OWNER: JIANGSU TIANYIN CHEMICAL INDUSTRY CO., LTD. Effective date: 20081114 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081114 Address after: The concept of village of Jiangsu Province, Yixing Zhoutie town before Patentee after: Jiangsu Tianyin Chemical Industry Co., Ltd. Address before: The concept of village of Jiangsu Province, Yixing Zhoutie town before Patentee before: Jiangsu Tianying Chemical Industrial Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060308 Termination date: 20150618 |
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EXPY | Termination of patent right or utility model |