Patents by Inventor Patricio Romero Guajardo

Patricio 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
    Publication number: 20060128912
    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: Application
    Filed: June 9, 2005
    Publication date: June 15, 2006
    Applicant: UTI Limited Partnership
    Inventors: Warren Piers, Patricio Romero Guajardo