发明授权
US5017661A Process for reducing the level of t-butyl alcohol (TBA) in visbroken
polyolefins
失效
降低脱脂聚烯烃中叔丁醇(TBA)含量的方法
- 专利标题: Process for reducing the level of t-butyl alcohol (TBA) in visbroken polyolefins
- 专利标题(中): 降低脱脂聚烯烃中叔丁醇(TBA)含量的方法
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申请号: US478340申请日: 1990-02-12
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公开(公告)号: US5017661A公开(公告)日: 1991-05-21
- 发明人: Lawrence M. Fodor , William R. Coutant
- 申请人: Lawrence M. Fodor , William R. Coutant
- 申请人地址: OK Bartlesville
- 专利权人: Phillips Petroleum Company
- 当前专利权人: Phillips Petroleum Company
- 当前专利权人地址: OK Bartlesville
- 主分类号: C08F8/50
- IPC分类号: C08F8/50
摘要:
Use of strong acidic materials, such as molecular sieves, reduces the level of t-butyl alcohol (TBA) produced during the visbreaking of polyolefins.
公开/授权文献
- US5500386A Manufacturing method of semiconductor devices 公开/授权日:1996-03-19
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