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专利名称：Filtration method for graft polymer polyols发明人：Rudolph E. Lisa,George Abraham申请号：US10280421申请日：20021025公开号：US06797185B2公开日：20040928
专利附图：
摘要：An index filtration method is disclosed for filtering graft polyol dispersions. Themethod allows for the rapid filtration of large volumes of graft polyol dispersion in aneconomical manner. The process can be highly automated. The resulting filtered graftpolyol dispersion mainly has particles of 25 microns or smaller and is stable under a
variety of conditions for at least 9 weeks.
申请人：BASF CORPORATION
代理机构：Howard & Howard
代理人：Fernando A. Borrego
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