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专利名称：PROCESS OF MAKING POLYESTER
PREPOLYMER
发明人：LOWE, David, James申请号：EP969442.0申请日：19961212公开号：EP0866821A1公开日：19980930
摘要：this invention is to use the discrete points on the esterification, ester and theresultant of the two add up to react with the reaction, the resultant of the column topass through in the column reactor, inert gas is passed through the upward flow of thestages including the polymer is a polyester, the continuous manufacturing methodrelated. the formation of the polymer the resultant of the ester is less than the material.
申请人：E.I. DU PONT DE NEMOURS AND COMPANY
地址：1007 Market Street Wilmington Delaware 198 US
国籍：US
代理机构：Jones, Alan John, et al
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