Patents by Inventor David Roger Lewin

David Roger Lewin 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).

  • Purification method
    Patent number: 6992061
    Abstract: The invention relates to a method of removing endotoxin from preparation of alpha-1-acid glycoprotein (orosomucoid) by contact with a finely divided non-toxic resin such as fumed silica. The invention also relates to a purification process for alpha-1-acid glycoprotein which includes this depyrogenation step, and to the depyrogenated product and its clinical uses.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: January 31, 2006
    Assignee: National Blood Authority
    Inventors: John Edward More, Jacqueline Rott, David Roger Lewin
  • Purification method
    Publication number: 20020128180
    Abstract: The invention relates to a method of removing endotoxin from preparation of alpha-1-acid glycoprotein (orosomucoid) by contact with a finely divided non-toxic resin such as fumed silica. The invention also relates to a purification process for alpha-1-acid glycoprotein which includes this depyrogenation step, and to the depyrogenated product and its clinical uses.
    Type: Application
    Filed: February 26, 2002
    Publication date: September 12, 2002
    Applicant: National Blood Authority
    Inventors: John Edward More, Jacqueline Rott, David Roger Lewin
  • Purification method
    Patent number: 6387877
    Abstract: The invention relates to a method of removing endotoxin from preparations of alpha-1-acid glycoprotein (orosomucoid) by contact with a finely divided non-toxic resin such as fumed silica. The invention also relates to a purification process for alpha-1-acid glycoprotein which includes this deprogenation step, and to the depyrogenated product and its clinical uses.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: May 14, 2002
    Assignee: National Blood Authority
    Inventors: John Edward More, Jacqueline Rott, David Roger Lewin