Patents by Inventor Richard J. BETHELL

Richard J. BETHELL 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).

  • Patent number: 9808011
    Abstract: Disclosed herein is a PEGylated bis pentacyclic triterpene, compositions comprising the PEGylated bis pentacyclic triterpene, methods of preparing the PEGylated bis pentacyclic triterpene, and a method of treating or preventing a fungal disease in a plant using the compounds and compositions disclosed herein. The PEGylated bis pentacyclic triterpene has the formula A-P-B, wherein A is a first pentacyclic triterpene; B is a second pentacyclic triterpene; and P is a polyethylene glycol (PEG) molecule.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: November 7, 2017
    Assignee: BIOVECTRA INC.
    Inventors: John G. Riley, Richard J. Bethell
  • Publication number: 20160165892
    Abstract: Disclosed herein is a PEGylated bis pentacyclic triterpene, compositions comprising the PEGylated bis pentacyclic triterpene, methods of preparing the PEGylated bis pentacyclic triterpene, and a method of treating or preventing a fungal disease in a plant using the compounds and compositions disclosed herein. The PEGylated bis pentacyclic triterpene has the formula A-P-B, wherein A is a first pentacyclic triterpene; B is a second pentacyclic triterpene; and P is a polyethylene glycol (PEG) molecule.
    Type: Application
    Filed: December 15, 2014
    Publication date: June 16, 2016
    Inventors: John G. RILEY, Richard J. BETHELL