CN100522906C - 带强制循环升膜式蒸发器蒸发季戊四醇反应液的方法 - Google Patents
带强制循环升膜式蒸发器蒸发季戊四醇反应液的方法 Download PDFInfo
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- CN100522906C CN100522906C CNB2006101254710A CN200610125471A CN100522906C CN 100522906 C CN100522906 C CN 100522906C CN B2006101254710 A CNB2006101254710 A CN B2006101254710A CN 200610125471 A CN200610125471 A CN 200610125471A CN 100522906 C CN100522906 C CN 100522906C
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- rising
- film evaporator
- reaction solution
- forced circulation
- film
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2006101254710A CN100522906C (zh) | 2006-12-14 | 2006-12-14 | 带强制循环升膜式蒸发器蒸发季戊四醇反应液的方法 |
Applications Claiming Priority (1)
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CNB2006101254710A CN100522906C (zh) | 2006-12-14 | 2006-12-14 | 带强制循环升膜式蒸发器蒸发季戊四醇反应液的方法 |
Publications (2)
Publication Number | Publication Date |
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CN101003464A CN101003464A (zh) | 2007-07-25 |
CN100522906C true CN100522906C (zh) | 2009-08-05 |
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Application Number | Title | Priority Date | Filing Date |
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CNB2006101254710A Expired - Fee Related CN100522906C (zh) | 2006-12-14 | 2006-12-14 | 带强制循环升膜式蒸发器蒸发季戊四醇反应液的方法 |
Country Status (1)
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CN (1) | CN100522906C (zh) |
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2006
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CN101003464A (zh) | 2007-07-25 |
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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: Beijing Lidahuafeng Technology Co., Ltd. Assignor: Yihua Group Co., Ltd., Hubei Prov. Contract fulfillment period: 2009.8.20 to 2015.8.19 contract change Contract record no.: 2009110000278 Denomination of invention: Method for vaporizing anti form liquid of pentaerythritol by using rising film evaporator with forced circulation Granted publication date: 20090805 License type: Exclusive license Record date: 2009.11.6 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.8.20 TO 2015.8.19; CHANGE OF CONTRACT Name of requester: BEIJING LIDA FENGHUA SCIENCE AND TECHNOLOGY CO., L Effective date: 20091106 |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20101214 |