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:
Feb. 22, 2000
Filed:
Nov. 14, 1997
Applicant:
Inventors:
Assignee:
Princeton Biomeditech Corporation, Somerset, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436518 ; 422 56 ; 422 57 ; 422 58 ; 422 61 ; 435-792 ; 435-793 ; 435-794 ; 435-795 ; 4352871 ; 4352872 ; 4352877 ; 4352879 ; 435970 ; 435805 ; 435810 ; 436164 ; 436168 ; 436514 ; 436524 ; 436529 ; 436530 ; 436805 ; 436810 ;
Abstract
An immunochemical assay device comprising a base member, an array disposed on the base member, and at least one assay indicia zone. The array comprises (i) a reservoir pad to receive sample liquid, (ii) a wicking membrane, and (iii) at least one filter zone interposed between the wicking membrane and the reservoir pad. The filter zone being operable to permit passage of any specific immunocomplex to the wicking membrane while impeding passage of larger components.