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. 24, 2015
Filed:
Jul. 26, 2007
Applicants:
Michael Glauser, Rotkreuz, CH;
Hans-peter Wahl, Schopfheim, DE;
Irio Giuseppe Calasso, Arth, CH;
Emad Sarofim, Hagendorn, CH;
Inventors:
Michael Glauser, Rotkreuz, CH;
Hans-Peter Wahl, Schopfheim, DE;
Irio Giuseppe Calasso, Arth, CH;
Emad Sarofim, Hagendorn, CH;
Assignee:
Roche Diagnostics Operations, Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/00 (2006.01); A61B 5/15 (2006.01); A61B 5/145 (2006.01);
U.S. Cl.
CPC ...
A61B 5/1411 (2013.01); A61B 5/14532 (2013.01); B01L 3/502707 (2013.01); A61B 2562/0295 (2013.01); B01L 2300/0825 (2013.01); B01L 2300/161 (2013.01); B01L 2300/163 (2013.01); B01L 2400/0406 (2013.01);
Abstract
A microfluidic system having a microchannel for the capillary transport of a liquid, in particular a body fluid for analytical purposes. The microchannel is provided with a surface coating comprising at least one hydrophilic substance selected from the group consisting of polyacrylic acid, polyacrylate, dextran sulfate and chondroitin sulfate. The invention also concerns a coating method that is suitable for this.