| 发明名称 |
Controlled release fertilizer |
| 摘要 |
A nitrogen containing slow release glass fertilizer is prepared by co-melting phosphorus oxynitride with phosphorus pentoxide, an alkaline metal oxide and an oxide of a metal of Group II or Group III of the periodic table.
|
| 申请公布号 |
US4148623(A) |
申请公布日期 |
1979.04.10 |
| 申请号 |
US19770853934 |
申请日期 |
1977.11.22 |
| 申请人 |
INTERNATIONAL STANDARD ELECTRIC CORPORATION |
发明人 |
DRAKE, CYRIL F. |
| 分类号 |
C05B17/00;(IPC1-7):C05B7/00;C01B21/06 |
主分类号 |
C05B17/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
