×

Analyte sensors comprising leveling agents

  • US 8,983,568 B2
  • Filed: 09/30/2008
  • Issued: 03/17/2015
  • Est. Priority Date: 09/30/2008
  • Status: Active Grant
First Claim
Patent Images

1. An analyte sensor comprising:

  • a working electrode comprising a sensing layer disposed proximate thereto, wherein the sensing layer comprises a hydrophilic polymer;

    a membrane disposed over the sensing layer comprising a low surface tension polymer, wherein the low surface tension polymer comprises 1% or less by weight of the total formulation of the membrane wherein the low surface tension polymer is polydimethylsiloxane (H3C)3Si[Si(CH3)2O]nSi(CH3)3, polyether modified polydimethylsiloxane [CH2O—

    ], [Si(CH3)2O]n

    [CH2O—

    ]n, poly((eo)(po))butyl terminated PDMS CH3

    {[CH2CH2O]n

    [CH2O—

    ]n}n[Si(CH3)2O]n

    {[CH2O—

    ]n[CH2CH2O]n}n

    CH3;

    or dimethyl, methyl (polyethylene oxide acetate-capped) siloxane (DC

         57), wherein n is an integer in a range of from about 1 to 500; and

    a counter electrode.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×