Patents by Inventor Brian Bucher

Brian Bucher 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).

  • Publication number: 20080076936
    Abstract: This invention is directed to a method for isolating and/or purifying one or more taxanes from materials comprising taxanes. In one embodiment, the method comprises the steps of: (a) treating a taxane containing material with an amino containing material attached to a solid matrix, such as a polyethyleneimine-bonded silica chromatographic resin; (b) eluting the desired taxane compound from the resin; and (c) recovering the eluted taxane compound.
    Type: Application
    Filed: June 18, 2007
    Publication date: March 27, 2008
    Inventors: James Johnson, T.G. Sambandam, Barry Hand, Christopher Howe, Roland Franke, Brian Bucher, John Juchum, Rex Gallagher, Marc Plante, Edward Desimone, Dong Yang
  • Publication number: 20060127510
    Abstract: A process for harvesting yew biomass and a process of making Yew pellets from Yew tree material is disclosed herein. The process for harvesting comprising the steps of (i) harvesting the tops or roots of the Yew tree; (ii) washing the harvested material; (iii) drying the harvested material; and (iv) grinding the harvested material into a fine powder. The process for making Yew pellets comprising the steps of (i) adding from about 1% to about 20% w/w water to the Yew tree material; and (ii) compressing the Yew tree material in a die to form a pellet whereby the resulting pellet has a final moisture content of less than 10% by weight. The yew pellets produced herein are suitable for extracting taxane molecules from the pellets.
    Type: Application
    Filed: June 30, 2005
    Publication date: June 15, 2006
    Inventors: Rex Gallagher, Christopher Howe, Edward Desimone, Brian Bucher, Barry Hand, Steven Perich, Michael Aeschliman, Ivan Wyse