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1.Process for the production of substantially anhydrous and substantially biuret-free urea 失效
Title translation: 用于生产基本上无水和基本上不含脲的尿素的方法公开(公告)号:US3171770A
公开(公告)日:1965-03-02
申请号:US69050357
申请日:1957-10-16
Applicant: STAMICARBON
Inventor: BIEKART HENDRIK J B , MATHIEN BONGARD , KAASENBROOD PETUS J C
IPC: C07C273/16
CPC classification number: C07C273/16