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:
Mar. 08, 2011
Filed:
Oct. 31, 2007
John T. Santini, Jr., North Chelmsford, MA (US);
Michael J. Cima, Winchester, MA (US);
Robert S. Langer, Newton, MA (US);
John T. Santini, Jr., North Chelmsford, MA (US);
Michael J. Cima, Winchester, MA (US);
Robert S. Langer, Newton, MA (US);
Massachusetts Institute of Technology, Cambridge, MA (US);
Abstract
A method is provided for operating a device for the containment and controlled release or exposure of a chemical substance. The method includes (i) providing a device which includes a substrate having a plurality of reservoirs, at least one chemical substance stored in the reservoirs, a plurality of metal reservoir caps, each of which closes an opening of one of said reservoir caps, and power and electrode means for disintegrating each of said reservoir caps; and (ii) disintegrating at least one of said reservoir caps, using said power and electrode means, to expose or release the chemical substance, wherein said disintegration comprises using potentiostatic or galvanostatic control to a voltage potential at said at least one reservoir cap.