Patents by Inventor Ryan C. Nelson

Ryan C. Nelson 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).

  • Diazaphosphacycles
    Patent number: 7507820
    Abstract: Diazaphosphacycles comprising compounds having the formula XI and salts of the compound are provided, wherein the variables W, T, R1, R14, and R15 are as described herein. Transition metal catalysts incorporating such diazaphosphacycles and methods of use thereof are also disclosed. There are further provided compositions comprising diazaphosphacycles covalently attached to a solid support and methods of use thereof.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: March 24, 2009
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Clark R. Landis, Wiechang Jin, Jonathan S. Owen, Thomas P. Clark, Ryan C. Nelson
  • Diazaphosphacycles
    Publication number: 20050202507
    Abstract: Diazaphosphacycles comprising compounds having the formula XI and salts of the compound are provided, wherein the variables W, T, R1, R14, and R15 are as described herein. Transition metal catalysts incorporating such diazaphosphacycles and methods of use thereof are also disclosed. There are further provided compositions comprising diazaphosphacycles covalently attached to a solid support and methods of use thereof.
    Type: Application
    Filed: August 6, 2004
    Publication date: September 15, 2005
    Inventors: Clark R. Landis, Wiechang Jin, Jonathan S. Owen, Thomas P. Clark, Ryan C. Nelson