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Printed fluid transport devices

  • US 5,736,188 A
  • Filed: 08/08/1995
  • Issued: 04/07/1998
  • Est. Priority Date: 08/08/1994
  • Status: Expired due to Fees
First Claim
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1. A method of manufacturing a fluid transport device, which method comprises providing a backing sheet and printing onto said backing sheet a material comprising silica, cellulose, a silica derivative or a cellulose derivative to provide a pattern having a liquid application zone with at least two fluid guiding pathways extending from the liquid application zone and leading to a merged zone, said material being printed in a manner that provides for liquids or solutes to flow from said liquid application zone to said merged zone at different transit times.

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