Patents by Inventor James Cavall

James Cavall 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).

  • Processes for recovering oligomers of glycols and polymerization catalyst from waste streams
    Publication number: 20060065600
    Abstract: Processes for recovering and recycling oligomers and polymerization catalyst from aqueous waste streams generated during the production of polyalkylene ether glycols are provided. The processes utilize membranes; preferably reverse osmosis or nanofilter membranes.
    Type: Application
    Filed: November 17, 2005
    Publication date: March 30, 2006
    Inventors: Hari Sunkara, James Cavall, William Goudie