Temporary protective coatings for precision surfaces

  • US 6,250,512 B1
  • Filed: 04/26/1999
  • Issued: 06/26/2001
  • Est. Priority Date: 10/02/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A protectively coated article, having a dry film protective coating formed by drying an aqueous coating composition applied on a surface of the article, wherein the composition comprises a (meth)acrylate-capped organic prepolymer resin having at least one pendent hydrophilic group, a reactive diluent having at least one polymerizable (meth)acrylate group, a non-reactive hydrophilic release agent, a photoinitiator, and water, wherein the article is an optical lens.

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