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.
Patent No.:
Date of Patent:
May. 06, 2003
Filed:
Mar. 22, 2001
Applicant:
Inventors:
Amitava Sengupta, Charlotte, NC (US);
Daniel S. Huntsberger, Charlotte, NC (US);
Brian D. Miller, Charlotte, NC (US);
Assignee:
Celgard Inc., Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/900 ; B01D 5/322 ;
U.S. Cl.
CPC ...
B01D 1/900 ; B01D 5/322 ;
Abstract
The present invention is directed to a method for debubbling an ink. The method comprises the steps of: providing an ink having an entrained gas; providing a membrane contactor comprising a plurality of integrally asymmetric hollow fiber microporous membranes; a membrane defining within the contactor a lumen side and a shell side; providing a vacuum source; passing the gas entrained ink through the shell side of the contactor; applying the vacuum source to the lumen side of the contactor; and debubbling the gas entrained ink across the membrane.