Patents by Inventor Marshall S. Lee

Marshall S. Lee 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).

  • Process for recovering phenol from a BPA waste stream
    Patent number: 7858830
    Abstract: An improved process for recovering phenol from a bisphenol-A residue stream by reconfiguring the distillation column and the cracking reactor in a way that separates the reboil/distillation heat load and the cracking heat load, so that separate heat sources are used.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: December 28, 2010
    Assignee: Badger Licensing LLC
    Inventors: Steven Evitt, Chung-Ming Chi, Marshall S. Lee, David Palmer
  • PROCESS FOR RECOVERING PHENOL FROM A BPA WASTE STREAM
    Publication number: 20100105960
    Abstract: An improved process for recovering phenol from a bisphenol-A residue stream by reconfiguring the distillation column and the cracking reactor in a way that separates the reboil/distillation heat load and the cracking heat load, so that separate heat sources are used.
    Type: Application
    Filed: October 28, 2008
    Publication date: April 29, 2010
    Applicant: BADGER LICENSING LLC
    Inventors: Steven EVITT, Chung-Ming CHI, Marshall S. LEE, David PALMER