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Absorbable block copolymers and surgical articles fabricated therefrom

  • US 5,431,679 A
  • Filed: 03/10/1994
  • Issued: 07/11/1995
  • Est. Priority Date: 03/10/1994
  • Status: Expired due to Term
First Claim
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1. A block copolymer comprising:

  • a) from about 50 to about 65 percent by weight of copolymer blocks comprising a predominant amount of glycolic acid ester units; and

    b) the remainder of said blocks comprising random copolymers of caprolactone and 1,3 dioxane-2-one, said blocks comprising random copolymers of epsilon-caprolactone and 1,3 dioxane-2-one being formed from the random polymerization of about 35 percent by weight of caprolactone and about 65 percent by weight 1,3 dioxane-2-one.

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