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标题标题2专利权人发明人附图摘要摘要2优先权号IPC专利类型
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公开号 公开日 申请号 申请日
1. KR20130070216A 2013/6/27 KR20110137432 2011/12/19
专利标题:PREPARATION METHOD OF SNOW REMOVING MATERIALS BY USING OYSTER SHELL 法律状态
PURPOSE: A manufacturing method of calcium acetate snowremoving material is provided to create 'cheap calcium acetate snowremoving material which does not generate harmful pernicious ingredient or any corrosion problems of road and structure' by using oyster shell. CONSTITUTION: A manufacturing method of calcium acetate snowremoving material comprises a step of obtaining 'reaction product including calcium acetate' by dissolving oyster shell



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