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:
Oct. 17, 1989
Filed:
Oct. 16, 1987
Applicant:
Inventor:
Howard Chandler, West Vancouver, CA;
Assignee:
Quadra Logic Technologies Inc., Vancouver, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
435-7 ; 422 58 ; 422 61 ; 422 64 ; 422101 ; 436518 ; 436533 ; 436534 ; 436807 ; 436535 ;
Abstract
Improved, economical devices for immunoassays employ a reusable syringe or vacuum manifold to withdraw samples through a membrane containing an affinity partner for analyte. The devices can also be adapted to direct blood sampling and to automated assays.