Patents by Inventor David William Drew

David William Drew 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).

  • Publication number: 20190284151
    Abstract: The disclosure relates to an efficient process for the production of a furan derivative from C5 and/or C6 sugars. The process utilizes a water immiscible organic solvent system comprising at least one alkyl phenol and at least one alkylated naphthalene.
    Type: Application
    Filed: June 2, 2017
    Publication date: September 19, 2019
    Inventors: Torren Ryan Carlson, Jacob G. Dickinson, David William Drew, Paul Joseph Fagan, Francis G. Gallagher, Keith M. Hutchenson, Israbel Liberis, Kenneth Mersman, Gregg Sunshine
  • Patent number: 6380446
    Abstract: Halogenated compounds are dehydrohalogenated in a multi-stage bubble reactor wherein agitation of the reactor contents is provided by in situ generation and vaporization of reaction product having a boiling point lower than that of the reactants.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: April 30, 2002
    Assignee: DuPont Dow Elastomers, L.L.C.
    Inventors: David William Drew, Terry Wayne Redwine
  • Publication number: 20020022753
    Abstract: Halogenated compounds are dehydrohalogenated in a multi-stage bubble reactor wherein agitation of the reactor contents is provided by in situ generation and vaporization of reaction product having a boiling point lower than that of the reactants.
    Type: Application
    Filed: March 7, 2001
    Publication date: February 21, 2002
    Inventors: David William Drew, Terry Wayne Redwine