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Isolatable, water soluble, and hydrolytically stable active sulfones of poly(ethylene glycol) and related polymers for modification of surfaces and molecules

  • US 5,446,090 A
  • Filed: 11/12/1993
  • Issued: 08/29/1995
  • Est. Priority Date: 11/12/1993
  • Status: Expired due to Term
First Claim
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1. An activated poly(ethylene glycol) derivative having the structure:

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    space="preserve" listing-type="equation">R--CH.sub.2 CH.sub.2 --(OCH.sub.2 CH.sub.2).sub.n --Ywherein n equals 5 to 3,000, Y is --SO2 --CH═

    CH2, and R is selected from the group consisting of HO--, H3 CO--, X--CH2 --CH2 --SO2 --, where X is halogen, and CH2

    CH--SO2 --.

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