Liquid purification or separation – Filter – Material
Reexamination Certificate
2006-06-27
2006-06-27
Walker, W. L. (Department: 1723)
Liquid purification or separation
Filter
Material
C210S500410, C210S500380, C210S500270, C210S500210, C264S041000
Reexamination Certificate
active
07067058
ABSTRACT:
A process for imparting hydrophilic properties to a polymeric membrane by exposing the membrane to an acrylate monomer containing hydrophilic segments, such as ethylene oxide, and a hydrophilic functional group, a diacrylate monomer containing hydrophilic functional groups, and an initiator for facilitating crosslinking and polymerization reactions.
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Copy of International Search Report dated Aug. 24, 2004.
Mezhirov Michael S.
Yeh Eshan B.
3M Innovative Properties Company
Menon Krishnan S.
Payne R. Thomas
Walker W. L.
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