Invention Grant
- Patent Title: Method for neutralizing polymerization catalyst
- Patent Title (中): 中和聚合催化剂的方法
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Application No.: US13514355Application Date: 2010-12-17
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Publication No.: US08729199B2Publication Date: 2014-05-20
- Inventor: Daan Dewachter
- Applicant: Daan Dewachter
- Applicant Address: BE Seneffe (Feluy)
- Assignee: Total Research & Technology Feluy
- Current Assignee: Total Research & Technology Feluy
- Current Assignee Address: BE Seneffe (Feluy)
- Priority: EP09179829 20091218
- International Application: PCT/EP2010/070032 WO 20101217
- International Announcement: WO2011/073373 WO 20110623
- Main IPC: C08F2/12
- IPC: C08F2/12 ; C08F2/00 ; B08B9/032 ; C08F110/02
Abstract:
The present invention relates to a process for cleaning a catalyst slurry preparation system and/or a catalyst preparation system. More particularly, the invention relates to a cleaning process for a catalyst preparation system and/or for a catalyst slurry preparation system, wherein an aqueous catalyst inactivation agent is used to rinse the systems, or any parts thereof. The catalysts used in the present invention may be chromium, Ziegler-Natta or metallocene catalysts.
Public/Granted literature
- US20120271012A1 METHOD FOR NEUTRALIZING POLYMERIZATION CATALYST Public/Granted day:2012-10-25
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