×

Poly(alkylene oxide) amino acid copolymers and drug carriers and charged copolymers based thereon

  • US 5,219,564 A
  • Filed: 07/05/1991
  • Issued: 06/15/1993
  • Est. Priority Date: 07/06/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A polymer comprised of one or more recurring structural units independently represented by the formula:

  • ##STR30## wherein R1 is a poly(alkylene oxide) copolymerized with R2, which is an amino acid or peptide sequence containing two amino groups and at least one pendant carboxylic acid group.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×