Patents by Inventor Stephen Paul Ferguson

Stephen Paul Ferguson 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).

  • METHOD FOR PREPARATION OF ALKOXYSILANES HAVING REDUCED HALIDE
    Publication number: 20090270646
    Abstract: Disclosed is a method for lowering the residual halide content in alkoxysilanes. The method comprises contacting the alkoxysilane having residual halide content with activated carbon followed by separation of the alkoxysilane. The resultant materials are useful as intermediates for the preparation of other chemical compounds and for use in electronics applications.
    Type: Application
    Filed: May 31, 2007
    Publication date: October 29, 2009
    Inventors: Stephen Paul Ferguson, William Xavier Bajzer, Emmanuel Babatunde Odunlami
  • Method of purifying alkoxysilanes
    Patent number: 6861546
    Abstract: A mixture containing a monohydric alkyl alcohol and an alkoxysilane is purified by (i) adding an organic salt or an inorganic salt to the monohydric alkyl alcohol and the alkoxysilane; (ii) mixing the organic or inorganic salt with the monohydric alkyl alcohol and the alkoxysilane; and (iii) separating from (ii) a first phase containing the alkoxysilane, and a second phase containing the monohydric alcohol and the organic or inorganic salt. The preferred salt is lithium chloride, and the monohydric alkyl alcohol is most typically methyl alcohol or ethyl alcohol.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: March 1, 2005
    Assignee: Dow Corning Corporation
    Inventor: Stephen Paul Ferguson