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Glass articles with low-friction coatings

  • US 9,775,775 B2
  • Filed: 07/29/2015
  • Issued: 10/03/2017
  • Est. Priority Date: 02/28/2012
  • Status: Active Grant
First Claim
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1. A coated pharmaceutical package comprising:

  • a glass body comprising a first surface and a second surface opposite the first surface, wherein the glass body is a glass container formed from a borosilicate glass composition and the first surface is an exterior surface of the glass container; and

    a low-friction coating positioned on at least a portion of the first surface of the glass body, the low-friction coating comprising;

    a polymer selected from the group consisting of polyimides, fluoropolymers, silsesquioxane-based polymers, and silicone resins; and

    a coupling agent layer disposed between the polymer and the first surface of the glass body,wherein the coefficient of friction of the portion of the coated pharmaceutical package with the low-friction coating is at least 20% less than a coefficient of friction of a surface of an uncoated pharmaceutical package formed from the same glass composition.

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