The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 09, 2003

Filed:

Jun. 21, 2001
Applicant:
Inventors:

Kwantai Cho, Charlotte, NC (US);

Clifton J. Delozier, Fort Mill, SC (US);

Linus I. Holstein, Pineville, NC (US);

R. Allen Pittman, Charlotte, NC (US);

Charles J. Runkle, Charlotte, NC (US);

Amitava Sengupta, Charlotte, NC (US);

Assignee:

Celgard Inc., Charlotte, NC (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 6/300 ; C02F 1/44 ;
U.S. Cl.
CPC ...
B01D 6/300 ; C02F 1/44 ;
Abstract

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° C.


Find Patent Forward Citations

Loading…