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Elimination of monocarbonate from polycarbonate

  • US 4,939,230 A
  • Filed: 11/16/1988
  • Issued: 07/03/1990
  • Est. Priority Date: 11/16/1988
  • Status: Expired due to Term
First Claim
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1. A composition comprising a carbonate polymer which is the product of the reaction of a dihydroxy compound with a carbonic acid derivative and a chain terminator containing a hydroxy group, which composition is free of monocarbonate.

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