Patents Examined by Michael David Pak
  • Chimeric interleukin 5-receptor/immunoglobulin polypeptides
    Patent number: 5668256
    Abstract: Chimeric polypeptides encoded by a DNA sequence having a first DNA subsequence coding for a fragment of at least one of the .alpha.- and/or .beta.-chain of the human interleukin-5 receptor, and a second DNA subsequence coding for the constant domains of a heavy- or a light-chain of a human immunoglobulin, or a fragment thereof are useful in treating illnesses with demonstrated eosinophilia.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: September 16, 1997
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Rene Devos, Walter Fiers, Jose van der Heyden, Geert Plaetinck, Jan Tavernier