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:
Nov. 23, 1999
Filed:
Sep. 30, 1997
Applicant:
Inventors:
Richard T Root, Kirkland, WA (US);
Stephen J Lovell, Lutherville, MD (US);
Assignee:
Becton, Dickinson and Company, Franklin Lakes, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436518 ; 422 55 ; 422 56 ; 422 58 ; 422 61 ; 436164 ; 436169 ; 436514 ; 436530 ; 436805 ; 436809 ; 436810 ; 435-6 ; 4352871 ; 4352872 ; 4352877 ; 4352878 ; 4352879 ; 435810 ;
Abstract
The present invention relates to a device for determining an analyte in a fluid sample in an assay. The device comprises a lid having a plurality of elements and a membrane. The elements have openings which allow passage of fluid to the membrane. The membrane is supported by the lid and covers the openings of the elements. The undersurface of the membrane is in contact with a porous wick which contains a first zone which includes binder attached to a particulate label and a second zone containing salt. The wick extends downward from the membrane and is in contact with the fluid sample.