Celgard Inc.

Clifton James Delozier

Kwantai Cho

Amitava Sengupta

Charles J Runkle

Linus I Holstein

R Allen Pittman

Robert English Johnston

The present invention is directed to a contactor for degrassing a liquid. The contractor includes a perforated core and a microporous membrane fabric wrapped around the core. The fabric includes a polymethyl pentene hollow fiber as a weft fiber and a warp yarn. A tube sheet secures the ends of the wound fiber and a shell encases the tube sheet and fabric. The shell has at least one opening to permit fluid flow through the shell and an end cap. In a further embodiment the invention is directed to a contactor for degrassing a liquid wherein the contactor is adapted to withstand pressures greater than 0.4 MPa and temperatures greater than 50&deg; C.

Hollow fiber membrane contactor

The present invention is to a process for blood oxygenation using a microporous fiber membrane. The use of the hollow fiber allows improvements in plasma break through results. The oxygenator includes a housing and microporous membrane cartridge. The cartridge comprises a microporous hollow fiber membrane having a wall thickness greater than 30 microns and having a bubble point of &gE;150 psig.

Microporous hollow fiber blood oxygenator

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Fort Mill, SC, United States of America

Clifton James Delozier