发明名称 GRAFFITI REMOVAL COMPOSITION AND METHOD
摘要 <p>A graffiti removing composition and method are disclosed. The composition includes a solvent fraction having an effective amount of N-methyl-2-pyrrolidone and a surface active agent useful in promoting wetting and penetration of a graffiti marked surface by the solvent fraction. The invention also comprehends methods of graffiti removal utilizing the composition.</p>
申请公布号 WO1988008445(A1) 申请公布日期 1988.11.03
申请号 US1988001424 申请日期 1988.04.29
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