Patents by Inventor Robert Lee Sherman, JR.

Robert Lee Sherman, 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).

  • Telechelic polyester/polycarbonate/organoclay nanocomposites, and related methods and articles
    Patent number: 8431641
    Abstract: A composition comprises, based on the total weight of the composition, from 30 to 50 weight percent of an ionomeric telechelic polyalkylene ester comprising from 0.05 to 5 mole percent of sulfonate end groups; from 50 to 70 weight percent of a polycarbonate; from 0.1 to 10 weight percent of an organoclay; and from 2 to 12 weight percent of an impact modifier.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: April 30, 2013
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Sreepdaraj Karanam, Robert Lee Sherman, Jr., Ganesh Kannan, Steven James Montgomery, Daniel Joseph Brunelle, Enrico Binassi
  • IONOMERIC POLYESTER COPOLYMER/ORGANOCLAY NANOCOMPOSITES, METHOD OF MANUFACTURE, AND ARTICLES FORMED THEREFROM
    Publication number: 20090170997
    Abstract: A composition comprises, based on the total weight of the composition from 79 to 99.79 weight percent of a polyester ionomer component, wherein the polyester ionomer component comprises, based on the polyester ionomer component, 0 to 40 wt. % of a non-ionomeric polyester, and 60 to 100 wt. % of a ionomeric polyester copolymer (i) non-ionomeric ester units and (ii) sulfonated ionomeric ester units, wherein the sulfonated ionomeric ester units are present in an amount from 0.05 to 5 mole percent of the total moles of ester units in the ionomeric polyester copolymer, from 0.1 to 6 weight percent of an organoclay; from 0.1 to 10 weight percent of an epoxy compound; and from 0.01 to 5 weight percent of a catalytic metal salt.
    Type: Application
    Filed: December 28, 2007
    Publication date: July 2, 2009
    Inventors: Ganesh Kannan, Sreepadaraj Karanam, Steven James Montgomery, Robert Lee Sherman, JR.