Liquid purification or separation – Filter – Material
Reexamination Certificate
2011-06-21
2011-06-21
Fortuna, Ana M (Department: 1777)
Liquid purification or separation
Filter
Material
C210S500420, C210S490000, C210S500270
Reexamination Certificate
active
07963401
ABSTRACT:
Versions of the invention include compositions and methods for making them that include a polymeric porous membrane with one or more atmospheric pressure microwave plasma modified surfaces. The modified porous membrane is stable, non-dewetting, and retains its mechanical strength.
REFERENCES:
patent: 4353799 (1982-10-01), Leonard
patent: 5282965 (1994-02-01), Urairi et al.
patent: 5451453 (1995-09-01), Gagnon et al.
patent: 03/070784 (2003-08-01), None
Ge Jijun
Gjoka Alketa
Shyu Jieh-Hwa
Entegris, Inc.
Fortuna Ana M
King Timothy J.
Pillion John E.
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