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INDICATING DEVICES BASED ON LATERAL DIFFUSION OF A MOBILE PHASE THROUGH A NON-POROUS STATIONARY PHASE

  • US 20160349224A1
  • Filed: 01/22/2015
  • Published: 12/01/2016
  • Est. Priority Date: 01/27/2014
  • Status: Active Grant
First Claim
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1. An indicating device based on lateral diffusion of a mobile phase through a layer of a non-porous stationary phase comprised ofa mobile phase layer;

  • and a non-porous, non-adsorbing or non-absorbing stationary phase layer;

    wherein the mobile phase laterally diffuses through the stationary phase layer and creates a noticeable or measurable boundary;

    wherein the stationary phase layer and the mobile phase layer are sandwiched between two substrates; and

    wherein the mobile phase or the stationary phase are either coated on the same or different substrate.

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