Electrochemical sensor ink compositions, electrodes, and...

Details Electrochemical sensor ink compositions, electrodes, and... Electrochemical sensor ink compositions, electrodes, and...

2007-01-23

2010-06-08

Silverman, Stanley (Department: 1793)

Compositions

Electrically conductive or emissive compositions

Free metal containing

C252S500000, C252S503000, C252S512000, C204S291000, C204S292000, C204S293000, C204S403150, C204S416000, C502S101000, C502S182000, C502S185000, C427S058000, C427S180000, C427S457000, C347S100000

Reexamination Certificate

active

07731867

ABSTRACT:
The invention is directed to conductive polymer compositions, catalytic ink compositions (e.g., for use in screen-printing), electrodes produced by deposition of an ink composition, as well as methods of making, and methods of using such compositions and electrodes. An exemplary ink material comprises a metal catalyst (e.g., platinum black and/or platinum-on-carbon), graphite as a conducting material, a polymer binding material, and an organic solvent. In one aspect, the polymer binding material comprises a polymer binder blend comprising first and second polymers, wherein the first polymer has a glass transition temperature higher than the second polymer. In a second aspect, the polymer binding material comprises a hydrophilic acrylic polymer, copolymer, or terpolymer. The conductive polymer compositions of the present invention may be used, for example, to make electrochemical sensors. Such sensors may be used, for example, in a variety of devices to monitor analyte amount or concentrations in subjects.

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