Patents by Inventor Susan I. Hershenson

Susan I. Hershenson 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).

  • Novel stem cell factor formulations and methods
    Publication number: 20020013258
    Abstract: The present invention relates to novel formulations of freeze dried SCF which include amino acid buffers. Preferred forms of the present formulations are those in which pH is adjusted by combining histidine and glutamic acid. The present formulations may optionally include additional stabilizers such as sucrose. Such formulations may also optionally include a bulking agent, and/or an osmolarity regulating agent, such as mannitol.
    Type: Application
    Filed: December 20, 2000
    Publication date: January 31, 2002
    Applicant: Amgen, Inc.
    Inventor: Susan I. Hershenson
  • Stem cell factor formulations and methods
    Patent number: 6288030
    Abstract: The present invention relates to lyophilized formulations of Stem Cell Factor (SCF) with increased stability. The formulations of lyophilized SCF include amino acid buffers and sucrose. Methods of producing said formulations are also disclosed in the specification.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: September 11, 2001
    Assignee: Amgen Inc.
    Inventor: Susan I. Hershenson
  • Stem cell factor formulations and methods
    Patent number: 6020469
    Abstract: Disclosed is a method of preparing a lyophilized stem cell factor (SCF). The method comprises mixing the SCF with histidine and/or glutamic acid and lyophilizing the formulation. Optionally, a bulking agent or an osmolarity regulating agent is included in the formulation prior to lyophilization.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: February 1, 2000
    Assignee: Amgen Inc.
    Inventor: Susan I. Hershenson
  • Stem cell factor formulations and methods
    Patent number: 5965522
    Abstract: The invention relates to a novel formulation of stem cell factor. The formulation contains histidine, glutamic acid, sucrose and mannitol. The formulation has a pH between 5.0 and 6.0 and has been lyophilized.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: October 12, 1999
    Assignee: Amgen Inc.
    Inventor: Susan I. Hershenson