Patents by Inventor Charles J Dubois, Jr.

Charles J Dubois, Jr. 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: 20220112378
    Abstract: The present disclosure provides embodiments of an asphalt composition and methods of making that may include asphalt binder; a recycled polymer component; an epoxy-functionalized ethylene copolymer, the epoxy-functionalized ethylene copolymer having the formula E/X/Y/Z. E may be a copolymer unit —(CH2CH2)— derived from ethylene; X may be a copolymer unit —(CH2CR1R2)—, where R1 is hydrogen, methyl, or ethyl, and R2 is carboalkoxy, acyloxy, or alkoxy of 1 to 10 carbon atoms, present in from 0 to about 40 weight % of the copolymer; Y may be a copolymer unit —(CH2CR3R4)—, where R3 is hydrogen or methyl and R4 is carboglycidoxy or glycidoxy present in from 0 to about 25 weight % of the copolymer; Z may be a copolymer derived from comonomers including carbon monoxide, sulfur dioxide, acrylonitrile, or other monomers, present from 0 to about 10 weight % of the copolymer.
    Type: Application
    Filed: January 31, 2020
    Publication date: April 14, 2022
    Applicants: Dow Global Technologies LLC, Performance Materials NA, Inc.
    Inventors: Cristina Serrat, Charles J. DuBois, Jr., Hayley A. Brown, Jorge C. Gomes, Renata de Oliveira Pimentel
  • Patent number: 7838688
    Abstract: The present invention relates to methods of making derivatized 3,4-alkylenedioxythiophene monomers and methods of using the 3,4-alkylenedioxythiophene monomers.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: November 23, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Shawn Yeisley, Charles J Dubois, Jr., Che-Hsiung Hsu, Steven W Shuey, Yulong Shen, Hjalti Skulason
  • Publication number: 20090008609
    Abstract: The present invention relates to methods of making derivatized 3,4-alkylenedioxythiophene monomers and methods of using the 3,4-alkylenedioxythiophene monomers.
    Type: Application
    Filed: December 23, 2005
    Publication date: January 8, 2009
    Applicant: E.I. du Pont de Nemours and Company
    Inventors: Shawn Yeisley, Charles J. Dubois, JR., Che-Hsiung Hsu, Steven W. Shuey, Yulong Shen, Hjalti Skulason