Patents by Inventor Antonia F. Stepan

Antonia F. Stepan 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).

  • Synthesizing method for compound, and catalyst for synthesis reaction
    Patent number: 7411082
    Abstract: A catalyst for synthesis reaction that can allow the cross coupling reaction at an improved yield, and yet can be collected after used for the reaction and recycled, and a synthesizing method for a compound using the same catalyst for synthesis reaction.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: August 12, 2008
    Assignees: Cambridge University Technical Services Ltd., Daihatsu Motor Co., Ltd
    Inventors: Steven V. Ley, Martin D. Smith, Chandrashekar Ramarao, Antonia F. Stepan, Hirohisa Tanaka