×

Alcohol concentration test delivery system

  • US 6,730,494 B1
  • Filed: 10/27/2000
  • Issued: 05/04/2004
  • Est. Priority Date: 09/17/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A system comprising a plurality of colorimetric alcohol concentration tests for analyzing a sample for the presence of ethanol, said system comprising:

  • a) a delivery system configured to dispense said plurality of colorimetric alcohol concentration tests individually, wherein said delivery system comprises a protective packaging housing said colorimetric alcohol concentration tests, said packaging comprising a heat-sealed plastic inner layer, a foil or polymer intermediate barrier layer, and a paper, cardboard, or polymer outer layer;

    b) a plurality of colorimetric alcohol concentration tests contained in said packaging of said delivery system, wherein said colorimetric alcohol concentration tests comprise an alcohol oxidase enzyme and a desiccant, wherein said colorimetric alcohol concentration tests produce substantially no detectable color signal unless said sample contains an alcohol concentration corresponding to a blood concentration of 0.04% and wherein said colorimetric alcohol concentration tests produce a detectable color signal when said sample contains an alcohol concentration corresponding to a blood concentration above 0.04%, wherein said colorimetric alcohol concentration tests are stable in said delivery system for at least one year.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×