CN1363512A - 制备浓缩水合肼溶液的方法 - Google Patents
制备浓缩水合肼溶液的方法 Download PDFInfo
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- CN1363512A CN1363512A CN 02113375 CN02113375A CN1363512A CN 1363512 A CN1363512 A CN 1363512A CN 02113375 CN02113375 CN 02113375 CN 02113375 A CN02113375 A CN 02113375A CN 1363512 A CN1363512 A CN 1363512A
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- hydrazine hydrate
- solution
- crude
- sodium carbonate
- sodium
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Abstract
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB021133751A CN1164482C (zh) | 2002-02-10 | 2002-02-10 | 制备浓缩水合肼溶液的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB021133751A CN1164482C (zh) | 2002-02-10 | 2002-02-10 | 制备浓缩水合肼溶液的方法 |
Publications (2)
Publication Number | Publication Date |
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CN1363512A true CN1363512A (zh) | 2002-08-14 |
CN1164482C CN1164482C (zh) | 2004-09-01 |
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Application Number | Title | Priority Date | Filing Date |
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CNB021133751A Expired - Fee Related CN1164482C (zh) | 2002-02-10 | 2002-02-10 | 制备浓缩水合肼溶液的方法 |
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CN (1) | CN1164482C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100333814C (zh) * | 2005-03-08 | 2007-08-29 | 湖南化工研究院 | 一种回收利用工业废盐的方法及其设备 |
CN102153056A (zh) * | 2011-02-15 | 2011-08-17 | 杭州海虹精细化工有限公司 | 连续化生产水合肼工艺 |
CN104892463A (zh) * | 2015-04-16 | 2015-09-09 | 杭州海虹精细化工有限公司 | 一种优化尿素法生产联二脲的工艺 |
-
2002
- 2002-02-10 CN CNB021133751A patent/CN1164482C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100333814C (zh) * | 2005-03-08 | 2007-08-29 | 湖南化工研究院 | 一种回收利用工业废盐的方法及其设备 |
CN102153056A (zh) * | 2011-02-15 | 2011-08-17 | 杭州海虹精细化工有限公司 | 连续化生产水合肼工艺 |
CN102153056B (zh) * | 2011-02-15 | 2013-06-26 | 杭州海虹精细化工有限公司 | 连续化生产水合肼工艺 |
CN104892463A (zh) * | 2015-04-16 | 2015-09-09 | 杭州海虹精细化工有限公司 | 一种优化尿素法生产联二脲的工艺 |
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Publication number | Publication date |
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CN1164482C (zh) | 2004-09-01 |
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Legal Events
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: YIBIN TIANYUE CHEMICAL CO., LTD. Free format text: FORMER NAME OR ADDRESS: YIBIN TIANYUAN GROUP CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: Jiangbei District, Yibin City, Sichuan Province Patentee after: Yibin sky Chemical Co., Ltd. Address before: Jiangbei District, Yibin City, Sichuan Province Patentee before: Tianyuan Group Co., Ltd., Yibin |
|
C56 | Change in the name or address of the patentee |
Owner name: YIBIN TIANYUAN GROUP CO., LTD. Free format text: FORMER NAME OR ADDRESS: YIBIN TIANYUE CHEMICAL CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Jiangbei District, Yibin City, Sichuan Province Patentee after: YiBin TianYuan Group Co., Ltd. Address before: Jiangbei District, Yibin City, Sichuan Province Patentee before: Yibin sky Chemical Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040901 Termination date: 20210210 |
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CF01 | Termination of patent right due to non-payment of annual fee |