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PH-sensitive polymer containing sulfonamide and its synthesis method

  • US 6,103,865 A
  • Filed: 12/22/1998
  • Issued: 08/15/2000
  • Est. Priority Date: 08/03/1998
  • Status: Expired due to Term
First Claim
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1. A method for preparing sulfonamide group-containing pH-sensitive polymers, in which sulfonamide derivatives are converted into polymerizable sulfonamide monomers, and coupled directly to polymers or copolymerized with other monomers.

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