Patents by Inventor J. Michael Grubb

J. Michael Grubb 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 removing coating from polymeric substrate
    Publication number: 20020189642
    Abstract: A process for removing the coating and any metals from polymeric substrates such as compact discs (CDs) and digital video discs (DVDs) by applying high shear conditions to fluidized particulates of the polymeric substrate optionally in the presence of an accelerant.
    Type: Application
    Filed: August 13, 2002
    Publication date: December 19, 2002
    Inventors: Richard Sapienza, Kenneth J. Heater, R. Mark Hodge, Joshua R. Michaels, J. Michael Grubb
  • Optical media demetallization process
    Patent number: 6436197
    Abstract: A process for removing the coating and any metals from polymeric substrates such as compact discs (CDs) and digital video discs (DVDs) by applying high shear conditions to fluidized particulates of the polymeric substrate optionally in the presence of an accelerant.
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: August 20, 2002
    Assignee: METSS Corporation
    Inventors: Richard Sapienza, Kenneth J. Heater, R. Mark Hodge, Joshua R. Michaels, J. Michael Grubb