Patents Assigned to Celltech Therapeutics, Ltd
  • Phenylalanine derivatives
    Patent number: 6362204
    Abstract: Phenylalanine derivatives of formula (1) are described: wherein R is a carboxylic acid or a derivative thereof; L1 is a linker atom or group; and R5 is a group —L2(CH2)tR6 in which L2 is a —N(R7)CO— or —N(R7)CS— group. The compounds are able to inhibit the binding &agr;4 integrins to their ligands and are of use in the prophylaxis and treatment of immune or inflammatory disorders.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: March 26, 2002
    Assignee: Celltech Therapeutics, Ltd
    Inventors: John Clifford Head, Sarah Catherine Archibald, Graham John Warrellow, John Robert Porter