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:
Aug. 02, 2011
Filed:
Nov. 01, 2002
Babak Ziaie, St. Paul, MN (US);
Ronald A. Siegel, Minneapolis, MN (US);
Yuandong Gu, Plymouth, MN (US);
Antonio Baldi, Sant Cugat del Valles, ES;
Gauri P. Misra, New Delhi, IN;
Paul E. Loftness, Gibbon, MN (US);
Ming Lei, St. Paul, MN (US);
Babak Ziaie, St. Paul, MN (US);
Ronald A. Siegel, Minneapolis, MN (US);
Yuandong Gu, Plymouth, MN (US);
Antonio Baldi, Sant Cugat del Valles, ES;
Gauri P. Misra, New Delhi, IN;
Paul E. Loftness, Gibbon, MN (US);
Ming Lei, St. Paul, MN (US);
Regents of the University of Minnesota, Saint Paul, MN (US);
Abstract
The invention provides hydrogel compositions, components, and hydrogel-actuated or mediated devices, and methods for the incorporation of hydrogel microscale components in microscale devices and systems. The methods and devices result in active microvalves that are useful in microfluidic applications, including analyte sensing, in process chemical and fermentation stream monitoring, and drug delivery. In particular, the devices are useful for controlled drug delivery either in response to a pre-determined stimulus or for pulsatile delivery.