Patents by Inventor Jeffrey Raymond Davies

Jeffrey Raymond Davies 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 of immunoglobulins
    Patent number: 6093324
    Abstract: A method for the purification or recovery of immunoglobulins from plasma or other immunoglobulin-containing material is disclosed which includes subjecting the plasma or other immunoglobulin-containing material to chromatographic fractionation on a macroporous anion-exchange resin to recover an immunoglobulin-containing fraction therefrom.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: July 25, 2000
    Assignee: CSL Limited
    Inventors: Joseph Bertolini, Jeffrey Raymond Davies, John Wu, Germano Coppola
  • Process for removing endotoxins
    Patent number: 5917022
    Abstract: A process for the removal of endotoxin from a biological product such as proteins for therapeutic use, blood plasma fractions, and albumin solutions that contains endotoxins, which comprises contacting said biological product with a cross-linked hydrophilic matrix comprising a copolymer of allyl dextran and N,N'-methylene bisacrylamide under conditions effective to bind endotoxins in said biological product to said matrix, wherein the total amount of endotoxin in said biological product does not exceed the absorptive capacity of said cross-linked hydrophilic matrix, and recovering purified biological product from which endotoxin has been removed as a result of said binding.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: June 29, 1999
    Assignee: CSL Limited
    Inventor: Jeffrey Raymond Davies