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Polyesters for use in blood partitioning compositions

  • US 5,124,434 A
  • Filed: 08/15/1991
  • Issued: 06/23/1992
  • Est. Priority Date: 12/04/1989
  • Status: Expired due to Fees
First Claim
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1. A polyester comprising about one mole of a dicarboxylic acid member and one mole of a diol member wherein said acid member is comprised of a first dicarboxylic acid component having from about 5 to about 60 mole percent of an aliphatic dicarboxylic acid having from 13 to about 22 carbon atoms, a second dicarboxylic acid component having from about 35 to about 90 mole percent of an aliphatic dicarboxylic acid having from 4 to about 12 carbon atoms, a third dicarboxylic acid component having from about 5 to about 25 mole percent of an aliphatic dicarboxylic acid having about 36 carbon atoms, said polyester being in the form of a viscous liquid and having a density at room temperature in the range of 1.01-1.09.

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