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 代理人
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