Patents by Inventor Kaisa P. PUTKISTO

Kaisa P. PUTKISTO 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: 11503948
    Abstract: An ovenable tray composite comprises a polymeric based liner and a fiber based component. The polymeric based liner incorporates polyolefin materials for performance in both adhesion (during use) and separation (for disposal) from the fiber based component, as well as high temperature resistant polymers that allow for the entire tray composite to be ovenable. Packages made from the lined trays described herein can be used for packaging food items intended to be heated for cooking or reheating the contents.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: November 22, 2022
    Assignee: BEMIS COMPANY, INC.
    Inventors: Hanna-Mari Lahti, Kaisa P. Putkisto, Andrew J. Lischefski, Kalle Ilmari Nättinen
  • Publication number: 20220009683
    Abstract: A tray composite comprises a polymeric based liner including an exterior surface layer, an interior surface layer, and a fiber based component removably affixed to the interior surface layer of the polymeric based liner. A release agent is located between the polymeric based liner and the fiber based component. The polymeric based liner and the fiber based component are manually separable after they have been removably affixed together.
    Type: Application
    Filed: December 27, 2018
    Publication date: January 13, 2022
    Inventors: Hanna-Mari Lahti, Kaisa P. Putkisto
  • Publication number: 20200305637
    Abstract: An ovenable tray composite comprises a polymeric based liner and a fiber based component. The polymeric based liner incorporates polyolefin materials for performance in both adhesion (during use) and separation (for disposal) from the fiber based component, as well as high temperature resistant polymers that allow for the entire tray composite to be ovenable. Packages made from the lined trays described herein can be used for packaging food items intended to be heated for cooking or reheating the contents.
    Type: Application
    Filed: December 28, 2017
    Publication date: October 1, 2020
    Inventors: Hanna-Mari LAHTI, Kaisa P. PUTKISTO, Andrew J. LISCHEFSKI, Kalle llmari NÄTTINEN