KEITH A. JOHNSON

Person

  • NORTH CHELMSFORD, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Methods for purifying FXa variant proteins

    • Patent number 10,660,946
    • Issue date May 26, 2020
    • Pfizer Inc.
    • Keith A. Johnson
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    FXa variant compositions

    • Patent number 9,757,434
    • Issue date Sep 12, 2017
    • Pfizer Inc.
    • Keith A. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents