发明名称 Composite building material
摘要 An extruded composite building material comprising a thermoplastic resin material, a mixture of additive materials, and a cellulosic material, wherein the thermoplastic resin material, the mixture of additive materials, and the cellulosic material are blended into a composite material, wherein the composite material comprises between 50% to 90% cellulosic material by weight, and wherein the blended composite material is extruded to form the extruded composite building material.
申请公布号 US7449517(B1) 申请公布日期 2008.11.11
申请号 US20040872944 申请日期 2004.06.21
申请人 JAMES ROCK ASSOCIATES, LLC 发明人 ROCK JAMES E.
分类号 A63J25/00 主分类号 A63J25/00
代理机构 代理人
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