Liquid purification or separation – Casing divided by membrane into sections having inlet – Cylindrical membrane
Reexamination Certificate
2001-12-05
2004-12-14
Walker, W. L. (Department: 1723)
Liquid purification or separation
Casing divided by membrane into sections having inlet
Cylindrical membrane
C210S321600, C210S321610, C210S321780, C210S321790, C210S321800, C210S321880, C210S500230
Reexamination Certificate
active
06830685
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to the field of filtering devices, and more particularly, to a hollow fiber type filter device having a single use or disposable design together with a method for using and manufacturing the same.
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Brown William Kelly
McGhee Troy
Petersen Danen Lee
Pope Rodney William
Stroup Eric Wilson
Fresenius USA, Inc.
Gibson Dunn & Crutcher, LLP
Gradisar Stanley J.
Menon K S
Walker W. L.
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