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Clay-containing thin films as carriers of absorbed molecules

  • US 9,321,030 B2
  • Filed: 12/18/2012
  • Issued: 04/26/2016
  • Est. Priority Date: 01/04/2012
  • Status: Expired due to Fees
First Claim
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1. A film for the retention and controlled release of organic and inorganic molecules consisting of at least one phyllosilicate clay and at least one organic polyanion, wherein said film is a built-up layered film including layers of said at least one phyllosilicate clay alternating with layers of said at least one organic polyanion and each of said layers has a net negative charge.

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