专利名称：Asymmetric gas separation membranes发明人：Raymond F. Malon,Anthony Zampini申请号：US06/509613申请日：19830630公开号：US04486202A公开日：19841204
摘要：Asymmetric gas separation membranes of materials having selective
permeation of at least one gas of a gaseous mixture over that of one or more remaininggases of the gaseous mixture, exhibit significantly improved permeation selectivities forthe at least one gas when the asymmetric membrane is contacted on one or bothsurfaces with an effective amount of a Lewis acid. The improved asymmetric gasseparation membranes, process for producing the improved membrane, and processesutilizing such membranes for selectively separating at least one gas from a gaseousmixture by permeation are disclosed.
申请人：MONSANTO COMPANY
代理人：Henry Croskell
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