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AUTOINJECTOR WITH DESHIELDER COMPRISING TAMPER EVIDENCE MEANS

  • US 20100268169A1
  • Filed: 09/25/2007
  • Published: 10/21/2010
  • Est. Priority Date: 09/25/2007
  • Status: Active Grant
First Claim
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1. A method to determine the condition and/or identity of a functional fluid comprising(1) obtaining a sample of the functional fluid;

  • (2) placing the sample of the functional fluid on a medium;

    (3) contacting the functional fluid sample with a reagent solution wherein the solution comprises a redox indicator in combination with an acid reducing agent wherein the acid reducing agent comprises dithiophosphoric acid, a mixture of phosphoric acid and zinc dialkyldithio-phosphate, or combinations thereof;

    (4) allowing the indicator in the reagent solution with the functional fluid sample on a medium to produce a color change;

    (5) analyzing the results of the reaction by determining or comparing the resultant color change; and

    (6) determining the condition or identity of the functional fluid;

    wherein the reagent solution is sprayed onto the sample using a pump type sprayer, an aerosol spray, or a mister.

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