Patents by Inventor William Kruper, JR.

William Kruper, 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).

  • Patent number: 9018408
    Abstract: The present invention generally relates to a condensed process for producing terephthalic acid and terephthalic esters from a dialkyl cyclohexane-2,5-dione-1,4-dicarboxylate; a chemoselective process for preparing a substantially bicyclic-lactone-free dialkyl cyclohexane-2,5-diol-1,4-dicarboxylate; and compositions of matter prepared thereby.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: April 28, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: William Kruper, Jr., Cynthia L. Rand, David C. Molzahn
  • Publication number: 20130345467
    Abstract: The present invention generally relates to a condensed process for producing terephthalic acid and terephthalic esters from a dialkyl cyclohexane-2,5-di-one-1,4-dicarboxylate; a chemoselective process for preparing a substantially bicyclic-lactone-free dialkyl cyclohexane-2,5-diol-1,4-dicarboxylate; and compositions of matter prepared thereby.
    Type: Application
    Filed: January 10, 2012
    Publication date: December 26, 2013
    Inventors: William Kruper, JR., Cynthia L. Rand, David C. Molzahn