发明授权
- 专利标题: Process and equipment for processing thermoplastic polymers
- 专利标题(中): 加工热塑性聚合物的工艺和设备
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申请号: US167762申请日: 1988-03-14
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公开(公告)号: US4855404A公开(公告)日: 1989-08-08
- 发明人: Stephen R. Betso , Kun S. Hyun , Patrick M. Russell
- 申请人: Stephen R. Betso , Kun S. Hyun , Patrick M. Russell
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: B29C47/12
- IPC分类号: B29C47/12 ; B29C47/38 ; B29C47/60
摘要:
A method and equipment for processing a thermoplastic polymer wherein at least a portion of the surfaces which contact the thermoplastic polymer, while said thermoplastic polymer is in a heat plastified state, comprise boron carbide.
公开/授权文献
- US4317462A Aid for hairdressers 公开/授权日:1982-03-02
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