Patents by Inventor Patricio Eduardo Romero Guajardo

Patricio Eduardo Romero Guajardo 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).

  • Transition metal carbene complexes containing a cationic substituent as catalysts of olefin metathesis reactions
    Patent number: 7365140
    Abstract: Organometallic complexes suitable as olefin metathesis catalysts are provided. The complexes are Group 8 transition metal carbenes bearing a cationic substituent and having the general structure (I) wherein M is a Group 8 transition metal, L1 and L2 are neutral electron donor ligands, X1 and X2 are anionic ligands, m is zero or 1, n is zero or 1, and R1, W, Y, and Z are as defined herein. Methods for synthesizing the complexes are also provided, as are methods for using the complexes as olefin metathesis catalysts.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: April 29, 2008
    Assignee: UTI Limited Partnership
    Inventors: Warren Edward Piers, Patricio Eduardo Romero Guajardo