CN1380278A - 双季戊四醇的合成方法 - Google Patents
双季戊四醇的合成方法 Download PDFInfo
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- CN1380278A CN1380278A CN 02111623 CN02111623A CN1380278A CN 1380278 A CN1380278 A CN 1380278A CN 02111623 CN02111623 CN 02111623 CN 02111623 A CN02111623 A CN 02111623A CN 1380278 A CN1380278 A CN 1380278A
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- Prior art keywords
- acetaldehyde
- reaction
- formaldehyde
- dipentaerythritol
- solution
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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
Description
得率(%) | |||
季戊四醇 | 双季戊四醇 | 单季戊四醇 | |
实例1 | 42.9 | 43.3 | 10.4 |
实例2 | 42.1 | 44.4 | 7.71 |
实例3 | 7.77 | 45.3 | 42.6 |
实例4 | 40.1 | 41.2 | 8.69 |
实例5 | 37.4 | 40.7 | 15.7 |
实例6 | 35.3 | 36.1 | 10.3 |
实例7 | 54.7 | 21.9 | 13.1 |
实例8 | 41.7 | 42.6 | 10.5 |
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021116237A CN1166607C (zh) | 2002-05-09 | 2002-05-09 | 双季戊四醇的合成方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021116237A CN1166607C (zh) | 2002-05-09 | 2002-05-09 | 双季戊四醇的合成方法 |
Publications (2)
Publication Number | Publication Date |
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CN1380278A true CN1380278A (zh) | 2002-11-20 |
CN1166607C CN1166607C (zh) | 2004-09-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB021116237A Expired - Fee Related CN1166607C (zh) | 2002-05-09 | 2002-05-09 | 双季戊四醇的合成方法 |
Country Status (1)
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CN (1) | CN1166607C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102070413A (zh) * | 2010-12-23 | 2011-05-25 | 安徽金禾实业股份有限公司 | 一种双季戊四醇的合成方法 |
-
2002
- 2002-05-09 CN CNB021116237A patent/CN1166607C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102070413A (zh) * | 2010-12-23 | 2011-05-25 | 安徽金禾实业股份有限公司 | 一种双季戊四醇的合成方法 |
Also Published As
Publication number | Publication date |
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CN1166607C (zh) | 2004-09-15 |
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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: Chifeng Ruiyang Chemical Industry Co., Ltd Assignor: East China University of Science and Technology Contract fulfillment period: 2007.12.31 to 2012.12.31 contract change Contract record no.: 2009150000027 Denomination of invention: Synthetic method for bipentaerythritol Granted publication date: 20040915 License type: Exclusive license Record date: 2009.9.30 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.31 TO 2012.12.31; CHANGE OF CONTRACT Name of requester: CHIFENG RUIYANG CHEMICAL INDUSTRY CO., LTD. Effective date: 20090930 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040915 Termination date: 20120509 |