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Isomorphic copolyoxalates and sutures thereof

  • US 4,208,511 A
  • Filed: 06/14/1978
  • Issued: 06/17/1980
  • Est. Priority Date: 01/19/1977
  • Status: Expired due to Term
First Claim
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1. Isomorphic polyoxalate polymers consisting essentially of units of cyclic and linear oxalates and having the general formula ##STR3## wherein each R is ##STR4## and from about 5 to 95 mol percent of the R units are I;

  • A is trans 1,4-cyclohexylene or p-phenylene, n is 1 or 2 and is the same for I and II, and x is the degree of polymerization resulting in a polymer having an inherent viscosity of at least 0.3 as determined on a 1 gm per liter solution of polymer in chloroform or hexafluoro-isopropanol at 25°

    C.

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