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Method for protection of stone with fluorinated urethane

  • US 6,790,924 B2
  • Filed: 06/13/2002
  • Issued: 09/14/2004
  • Est. Priority Date: 02/22/2001
  • Status: Expired due to Fees
First Claim
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1. A process comprising contacting stone with a non-polymeric urethane having the formula

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  • 4 Assignments
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