发明名称 |
PROCESS FOR THE PREPARATION OF SULFUR COATED FERTILIZERS ANDPRODUCTS PRODUCED THEREBY |
摘要 |
Extended residual, controlled please sulfur coated fertilizers having polymeric topcoats applied over a sulfur coating layer are prepared wherein the sulfur coating contains a sufficient amount of a crystalline sulfur allotrope in combination with at least a minimal level of carbon disulfide insoluble amorphous sulfur to maintain the sulfur coating i n a pliable, resilient condition at the time at which the polymeric topcoat is applied over the sulfur coating. The presence of such sulfur allotrope is demonstrated by a shoulder endotherm appearing on a differential scanning calorimetry thermogram within a transition temperature range of about 84 .degree.C - 97 .degree.C.
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申请公布号 |
CA2164986(C) |
申请公布日期 |
2005.01.25 |
申请号 |
CA19942164986 |
申请日期 |
1994.06.13 |
申请人 |
OMS INVESTMENTS, INC. |
发明人 |
TIMMONS, RICHARD J.;GOERTZ, HARVEY M. |
分类号 |
C05C9/00;C05G3/00;C05G3/10;C05G5/00;(IPC1-7):C05G5/00 |
主分类号 |
C05C9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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