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Container coating system

  • US 10,526,502 B2
  • Filed: 03/15/2013
  • Issued: 01/07/2020
  • Est. Priority Date: 08/09/2012
  • Status: Active Grant
First Claim
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1. A multi-coat coating system comprising an undercoat composition and an overcoat composition, wherein the undercoat comprises a polymer having at least two aryl or heteroaryl groups in which each aryl or heteroaryl group includes a ring, an oxygen atom attached to the ring and a substituent group attached to the ring at an ortho or meta position relative to the oxygen atom;

  • wherein the overcoat comprises;

    at least one thermoplastic material;

    ora polyester polymer; and

    wherein the coating system is substantially free of diphenols having estrogenic activity greater than or equal to that of bisphenol S,wherein the undercoat polymer has one or more segments of the below Formula I;

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