Patents by Inventor David Urdal

David Urdal 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).

  • DNA sequence encoding nonglycosylated analogs of human colony stimulating factors
    Patent number: 5405952
    Abstract: An analog human colony stimulating factor (hCSF) is disclosed, comprising a mutant amino acid sequence which is substantially homologous to the native sequence of an hCSF having at least one N-glycosylation site, wherein the mutant sequence comprises at least one amino acid substitution, deletion or insertion inactivating the N-glycosylation site.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: April 11, 1995
    Assignee: Immunex Corporation
    Inventors: Michael Deeley, Virginia L. Price, David Urdal
  • Nonglycosylated analogs of human colony stimulating factors
    Patent number: 5032676
    Abstract: An analog human colony stimulating factor (hCSF) is disclosed, comprising a mutant amino acid sequence which is substantially homologous to the native sequence of an hCSF having at least one N-glycosylation site, wherein the mutant sequence comprises at least one amino acid substitution, deletion or insertion inactivating the N-glycosylation site.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: July 16, 1991
    Assignee: Immunex Corporation
    Inventors: Michael Deeley, Virginia L. Price, David Urdal