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:
May. 21, 2002
Filed:
Oct. 27, 1999
Applicant:
Inventors:
Qiang Chen, Sunnyvale, CA (US);
David M. Liu, Los Altos, CA (US);
Brian S. Kersten, San Mateo, CA (US);
Christine M. Wu, Fremont, CA (US);
Assignee:
Cygnus, Inc., Redwood City, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/100 ;
U.S. Cl.
CPC ...
G01N 3/100 ;
Abstract
An automated system for continual transdermal extraction of analytes present in a biological system is described. The system optionally uses reverse iontophoresis to carry out the continual transdermal extraction of the analytes. The present invention describes quality control test kits, and methods of use thereof, for testing the ability of the system to provide reliable, effective, and accurate determination of analyte concentration.