CN203451397U - 一种有机质缓释尿素颗粒 - Google Patents
一种有机质缓释尿素颗粒 Download PDFInfo
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- CN203451397U CN203451397U CN201320486519.6U CN201320486519U CN203451397U CN 203451397 U CN203451397 U CN 203451397U CN 201320486519 U CN201320486519 U CN 201320486519U CN 203451397 U CN203451397 U CN 203451397U
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- urea
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- organic matter
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CN201320486519.6U CN203451397U (zh) | 2013-08-12 | 2013-08-12 | 一种有机质缓释尿素颗粒 |
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CN201320486519.6U CN203451397U (zh) | 2013-08-12 | 2013-08-12 | 一种有机质缓释尿素颗粒 |
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CN203451397U true CN203451397U (zh) | 2014-02-26 |
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CN201320486519.6U Expired - Fee Related CN203451397U (zh) | 2013-08-12 | 2013-08-12 | 一种有机质缓释尿素颗粒 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11021410B2 (en) | 2018-12-10 | 2021-06-01 | Purdue Research Foundation | Layer-wise agglomerated urea granules |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11021410B2 (en) | 2018-12-10 | 2021-06-01 | Purdue Research Foundation | Layer-wise agglomerated urea granules |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DONGYING WANXIN BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DONGYING WANXIN FERTILIZER CO., LTD. Effective date: 20141021 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20141021 Address after: 257000 Fenghuang Mountain Road, Dongying District, Shandong, Dongying, 26 Patentee after: Dongying Wan Xin Biological Technology Co., Ltd. Address before: 257000 No. two, 1240 South Road, Dongying District, Shandong, Dongying Patentee before: Dongying Wanxin Fertilizer Manufacture Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20160812 |