发明申请
US20120156275A1 Process for coating an active ingredient with a urea-formaldehyde polymer 有权
用脲 - 甲醛聚合物涂覆活性成分的方法

Process for coating an active ingredient with a urea-formaldehyde polymer
摘要:
The present invention relates to novel urea-formaldehyde polymers coated with an active ingredient, a method of making the same, and their use.
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