Patents by Inventor Julia F. Hartmann

Julia F. Hartmann 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).

  • Multilayer coating for paper based substrate
    Patent number: 9200409
    Abstract: Embodiments include a coated paper or paperboard with a multilayer coating and methods of forming a coated paper or paperboard with the multilayer coating. The multilayer coating includes a first water vapor barrier layer, a biopolymer barrier layer, and a second water vapor barrier layer and provides the paperboard with improved oil and grease resistant properties, oxygen barrier properties, and water vapor barrier properties.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: December 1, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Julia F. Hartmann, Jouko T. Vyorykka
  • MULTILAYER COATING FOR PAPER BASED SUBSTRATE
    Publication number: 20130330527
    Abstract: Embodiments include a coated paper or paperboard with a multilayer coating and methods of forming a coated paper or paperboard with the multilayer coating. The multilayer coating includes a first water vapor barrier layer, a biopolymer barrier layer, and a second water vapor barrier layer and provides the paperboard with improved oil and grease resistant properties, oxygen barrier properties, and water vapor barrier properties.
    Type: Application
    Filed: August 12, 2013
    Publication date: December 12, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Julia F. Hartmann, Jouko T. Vyorykka
  • MULTILAYER COATING FOR PAPER BASED SUBSTRATE
    Publication number: 20110206914
    Abstract: Embodiments include a coated paper or paperboard with a multilayer coating and methods of forming a coated paper or paperboard with the multilayer coating. The multilayer coating includes a first water vapor barrier layer, a biopolymer bar-rier layer, and a second water vapor barrier layer and provides the paper-board with improved oil and grease resistant properties, oxygen barrier properties, and water vapor barrier properties.
    Type: Application
    Filed: October 6, 2009
    Publication date: August 25, 2011
    Inventors: Julia F. Hartmann, Jouko T. Vyörykkd