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One step preparation of poly(amide-anhydride)

  • US 4,933,431 A
  • Filed: 11/09/1988
  • Issued: 06/12/1990
  • Est. Priority Date: 07/31/1987
  • Status: Expired due to Term
First Claim
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1. A highly pure poly(amide-anhydride) produced by reacting in solution under dehydrative coupling conditions a coupling agent and an insoluble acid acceptor with at least one dipeptide selected from the group consisting of dipeptides of aspartic acid, dipeptides of glutamic acid, and combinations thereof.

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