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:
Jan. 11, 1994
Filed:
Aug. 19, 1991
Applicant:
Inventors:
Robert W Coughlin, Storrs, CT (US);
Edward M Davis, Cheshire, CT (US);
Pramod Z Rao, New Haven, CT (US);
Assignee:
SymBiotech Incorporated, Wallingford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210644 ; 21032168 ; 21050023 ;
Abstract
Method and apparatus are provided for accomplishing improved separation and purification of an analyte by mass transfer between immiscible phases employing microporous hollow-fiber membranes. The invention eliminates several problems of the prior art. A number of possible modes of separation by mass transfer are possible according to the invention, including liquid-liquid extraction, back extraction, simultaneous forward and back extraction, gas absorption into a liquid, gas stripping from a liquid and simultaneous gas absorption and stripping.