Invention Grant
- Patent Title: Slow and controlled-release polymeric fertilizer with multiple nutrients, preparing process for the same and the use method of the same
- Patent Title (中): 缓释和控释复合肥与多种营养成分，制备方法相同及使用方法相同
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Application No.: US11400602Application Date: 2006-04-07
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Publication No.: US07753984B2Publication Date: 2010-07-13
- Inventor: Yaqing Liu , Guizhe Zhao , Futian Zhu , Xueyi Liu
- Applicant: Yaqing Liu , Guizhe Zhao , Futian Zhu , Xueyi Liu
- Applicant Address: CN Taiyuan, Shanxi Province CN Taiyuan, Shanxi Province
- Assignee: Yaqing Liu,Guizhe Zhao
- Current Assignee: Yaqing Liu,Guizhe Zhao
- Current Assignee Address: CN Taiyuan, Shanxi Province CN Taiyuan, Shanxi Province
- Agency: Knobbe Martens Olson & Bear LLP
- Priority: CN200510063260 20050407; CN200510124185 20051121
- Main IPC: C05D9/00
- IPC: C05D9/00 ; C05D9/02 ; C05D5/00 ; C05D1/00 ; C05F11/00 ; C05F3/02
Abstract:
This invention relates to a slow and controlled-release polymeric fertilizer with multiple nutrients having the following general formula: wherein n, m and M are defined in the description. The polymeric fertilizer of this invention is an environment-friendly slow and controlled-release fertilizer. Its slow and controlled release action lies in self-degradation and hydrolysis. This invention also relates to the preparing process for the fertilizer and the use method of the fertilizer in agriculture.
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