N-HALAMINE BASED BIOCIDAL COATINGS COMPOSED OF ELECTROSTATICALLY SELF-ASSEMBLED LAYERS

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United States of America Patent

APP PUB NO 20120107620A1
SERIAL NO

12946357

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a composition comprising an antimicrobial bilayer coating on a substrate which coating comprises:

    (1) a polyionic material, in alternating layers, where one layer is a cationic polymer containing —NHR1 or —C(O)NHR2 groups, where R1 and R2 are independently hydrogen, straight- or branch-chain C1-C10 alkyl, phenyl, benzyl, or C6-C14 aryl; and another layer is an anionic polymer containing —COOH or —COOR groups, where R is straight- or branch-chain C1-C10 alkyl, phenyl, benzyl, or C6-C14 aryl; and(2) At least two full bilayers are coated on the substrate; and(3) the layers are crosslinked through amide, imide, urea, or carbamate bonds; and(4) at least 1% of the amine or amide N—H groups in the coating are converted to N—X, where X is Cl or Br.

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Patent Owner(s)

Patent OwnerAddress
MICHIGAN MOLECULAR INSTITUTEMIDLAND MI

International Classification(s)

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  • 2010 Application Filing Year
  • B05D Class
  • 2754 Applications Filed
  • 862 Patents Issued To-Date
  • 31.30 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201020112012201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kaganove, Steven N Midland, US 5 97

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  • 1 Citation Count
  • B05D Class
  • 8.98 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges9363916261361484435701 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650700

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