| 发明名称 |
composição de poli cloreto de vinila, processo para extrusar pvc, produto de pvc extrusado, tubo para água potável e tubo para água potável de pvc rìgido. |
| 摘要 |
<p>The invention pertains to the use of a white oil having a select viscosity as an extrusion lubricant for PVC, including PVC potable water pipe.</p> |
| 申请公布号 |
BR0112767(B1) |
申请公布日期 |
2011.02.08 |
| 申请号 |
BR20010112767 |
申请日期 |
2001.07.30 |
| 申请人 |
|
发明人 |
STEPHEN CEDRI COHEN |
| 分类号 |
C08K5/01;F16L9/12;C08K3/22;C08K5/098;C08L27/06;E03B7/00;F16L11/00 |
主分类号 |
C08K5/01 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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