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Aminoalkylmaleimides and hapten and antigen derivatives derived therefrom as well as conjugates with peptides or proteins

  • US 5,595,741 A
  • Filed: 07/21/1994
  • Issued: 01/21/1997
  • Est. Priority Date: 06/19/1989
  • Status: Expired due to Fees
First Claim
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1. An amidoalkylmaleimide compound of formula II ##STR10## in which Hap is a residue formed by amidation of a hapten or antigen carrying one or several carboxyl groups or carboxyl derivatives, R1 and R2 are the same or different and denote a C1-C4 alkyl group or a hydrogen atom and A is a straight-chain or branched, saturated or unsaturated alkylene group having 2-6 C atoms which is uninterrupted or is interrupted by an oxygen or a sulphur atom or a carbonyl group.

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