Patents by Inventor Michael Coan

Michael Coan 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).

  • Patent number: 5110913
    Abstract: Method of purifying a protein from a solution of substances comprising the steps of passing the solution through an ion exchange material at a pH which facilitates binding of the protein of interest, washing the bound protein at a different pH at which the bound protein does not elute but which the free protein would not bind to the ion exchange material, and then eluting the protein at a pH which facilitates elution. Method is especially useful in purification of antibodies such as antibodies to tumor necrosis factor.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: May 5, 1992
    Assignee: Miles Inc.
    Inventors: Michael Coan, Vivian W. Lee