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公开(公告)号:US4045395A
公开(公告)日:1977-08-30
申请号:US662736
申请日:1976-03-01
Applicant: Ray I. Roby
Inventor: Ray I. Roby
CPC classification number: C04B41/009 , C04B28/02 , C04B41/5076 , C08L31/04 , C08L95/005 , E01C11/005 , E01C7/358 , C08L2201/52
Abstract: A water impervious surfacing composition which includes cement and sand and a mixture of an aqueous coal tar emulsion and an aqueous polyvinyl acetate emulsion.
Abstract translation: 一种防水表面组合物,其包括水泥和沙子以及水煤焦油乳液和聚乙酸乙烯酯水溶液乳液的混合物。