Patents Assigned to Brtish Technology Group Limited
  • Attenuated viruses
    Patent number: 5639649
    Abstract: An attenuated enterovirus or rhinovirus, suitable for use as a vaccine, has a reversed base pairing in the part, or in a part corresponding to the part, of the 5' non-coding region of the genome of poliovirus type 3 Leon strain shown below: ##STR1## A suitable attenuated poliovirus has the bases G and C at positions 469 and 534 respectively for a type 1 or type 2 poliovirus or at positions 472 and 537 respectively for a type 3 poliovirus.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: June 17, 1997
    Assignee: Brtish Technology Group Limited
    Inventors: Jeffrey William Almond, Philip David Minor, Michael Anthony Skinner, Colin Ruaraidh Young