Patents by Inventor Michael W. Spellman

Michael W. Spellman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • O-fucosyltransferase
    Publication number: 20040241645
    Abstract: The present invention describes the identification, purification, recombinant production and characterization of novel O-fucosyltransferase enzymes.
    Type: Application
    Filed: January 30, 2001
    Publication date: December 2, 2004
    Applicant: Genentech, Inc.
    Inventors: Yang Wang, Michael W. Spellman
  • O-fucosyltransferase
    Patent number: 6270987
    Abstract: The present invention describes the identification, purification, recombinant production and characterization of novel O-fucosyltransferase enzymes.
    Type: Grant
    Filed: June 15, 1999
    Date of Patent: August 7, 2001
    Assignee: Genentech, Inc.
    Inventors: Yang Wang, Michael W. Spellman
  • O-fucosyltransferase
    Patent number: 6100076
    Abstract: The present invention describes the identification, purification, recombinant production and characterization of novel O-fucosyltransferase enzymes.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: August 8, 2000
    Assignee: Genentech, Inc.
    Inventors: Yang Wang, Michael W. Spellman
  • Human tissue-type plasminogen activator variant
    Patent number: 5714144
    Abstract: Novel human tissue-type plasminogen activator variant that a) retains substantially full biological activity b) has a modified carbohydrate structure and c) has an altered in vivo half-life. Means for preparation of the variants and results of assays measuring function of the activators are also disclosed.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: February 3, 1998
    Assignee: Genentech, Inc.
    Inventors: Adair J. Hotchkiss, John V. O'Connor, Michael W. Spellman
  • Human tissue-type plasminogen activator variant
    Patent number: 5589361
    Abstract: Novel human tissue-type plasminogen activator variant that a) retains substantially full biological activity b) has a modified carbohydrate structure and c) has an altered in vivo half-life. Means for preparation of the variants and results of assays measuring function of the activators are also disclosed.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: December 31, 1996
    Assignee: Genentech, Inc.
    Inventors: Adair J. Hotchkiss, John V. O'Connor, Michael W. Spellman