发明名称 |
PROCESS FOR THE PREPARATION OF ISOBUTYLIDENE DIUREA |
摘要 |
Disclosed herein is mixed fertilizer according to the process comprising: reacting isobutyraldehyde with an aqueous solution of urea in the presence of a phase transfer catalyst to form isobutylidene diurea, wherein the phase transfer catalyst is a quaternary ammonium salt; and mixing the isobutylidene diurea with at least one of another fertilizer, a secondary nutrient, a trace element, a plant protection agent, a filler, and other fertilizer ingredients, to form the mixed fertilizer. Also disclosed is isobutylidene diurea produced by the process comprising: reacting isobutyraldehyde with an aqueous solution of urea in the presence of a phase transfer catalyst to form isobutylidene diurea; wherein the phase transfer catalyst is a quaternary ammonium salt. |
申请公布号 |
US2016130221(A1) |
申请公布日期 |
2016.05.12 |
申请号 |
US201614996416 |
申请日期 |
2016.01.15 |
申请人 |
SAUDI BASIC INDUSTRIES CORPORATION |
发明人 |
Hashmi Syed Azhar;Bin-Nafisa Abdullah |
分类号 |
C07C273/18;C07C275/14;C05C9/00 |
主分类号 |
C07C273/18 |
代理机构 |
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代理人 |
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主权项 |
1. A mixed fertilizer produced according to the process comprising:
reacting isobutyraldehyde with an aqueous solution of urea in the presence of a phase transfer catalyst to form isobutylidene diurea, wherein the phase transfer catalyst is a quaternary ammonium salt; and mixing the isobutylidene diurea with at least one of another fertilizer, a secondary nutrient, a trace element, a plant protection agent, a filler, and other fertilizer ingredients, to form the mixed fertilizer. |
地址 |
Riyadh SA |