Patents by Inventor Mark Waldrop

Mark Waldrop 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).

  • Method of removing coatings from plastic articles
    Publication number: 20070243384
    Abstract: A method is provided for removing paint from plastic parts by treating the painted part with a solvent mixture. The solvent mixture used to remove the paint is a mixture of a high-boiling pyrrolidone or piperidone (lactam) solvent and an aqueous mineral acid, optionally with a surfactant added.
    Type: Application
    Filed: June 14, 2007
    Publication date: October 18, 2007
    Applicant: BASF Corporation
    Inventors: Mark Waldrop, Michael Killian, Lawrence James
  • MABS-based PVC pipe cement
    Patent number: 6391950
    Abstract: Disclosed is a PVC pipe cement composition that comprises a polymeric material of a methyl methacrylate homopolymer or copolymer, a styrene-acrylonitrile polymer, and a rubber grafted with at least a methacrylic acid ester of a C1 to C8 alkanol; and at least about 10% by weight solvent.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: May 21, 2002
    Assignee: BASF Corporation
    Inventor: Mark Waldrop