发明名称 POLYMER COATED FERTILIZER COMPOSITIONS AND METHODS OF MAKING THEREOF
摘要 The present invention provides a controlled release, solid fertilizer composition comprising a water-soluble central substrate and at least three layers of a water insoluble coating formed by reacting a polyisocyanate and a polyol and further comprising a coating of an organic wax. The present invention provides a better release profile in relation to the amount of coating materials applied than known fertilizers. Preparation systems and processes are also provided.
申请公布号 US2015376077(A1) 申请公布日期 2015.12.31
申请号 US201514716434 申请日期 2015.05.19
申请人 Koch Biological Solutions, LLC 发明人 BARR DOUGLAS;Freeman Stanley;Kanagalingam Sabesh
分类号 C05G3/00;C05C9/00 主分类号 C05G3/00
代理机构 代理人
主权项 1. A solid fertilizer composition comprising: (a) at least one plant fertilizer compound in solid form; (b) at least 3 layers of a polyurethane coating which is a reaction product of: i: a polyisocyanate, and ii: a polyol; and (c) a coating comprising a wax.
地址 Wichita KS US