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. 21, 1997
Filed:
Jul. 15, 1994
Applicant:
Inventors:
Thomas J Good, Sierra Madre, CA (US);
Alan F Redmond, Temple City, CA (US);
Assignee:
Cera, Inc., Baldwin Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210289 ; 2101982 ; 210263 ; 210287 ; 210291 ; 210435 ; 210446 ; 210456 ; 210483 ; 210484 ; 210488 ; 2105021 ; 210503 ; 422 58 ; 422 59 ; 422 60 ; 422 69 ; 422 70 ; 422101 ; 422102 ;
Abstract
An apparatus for extracting an analyte from a liquid sample, comprises a microcolumn having a microparticulate media therein, the media being sandwiched between two compression layers. Preferably, the compression layers comprise a binder-free glass fiber, held in the microcolumn by upper and lower polypropylene mesh.