Patents by Inventor Ulf SEIFERT

Ulf SEIFERT 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).

  • Publication number: 20210047096
    Abstract: A plastic film composite for film packaging has a first surface and a second surface, a monoaxially oriented polyethylene film and a sealing layer at the second surface. The plastic film composite also comprises a biaxially oriented polyethylene film.
    Type: Application
    Filed: November 28, 2019
    Publication date: February 18, 2021
    Applicant: Mondi AG
    Inventors: Uwe OBERMANN, Ulf SEIFERT
  • Patent number: 10421263
    Abstract: A structured packaging film is made by first of feeding a flat, unembossed first film web in a gravure printing device to a cylindrical print roller having an engraving on its surface with an array of cavities having a depth of at least 50 ?m. Printing laquer is applied to the print roller to fill the cavities. Then the roller is rolled on the first film web to transfer the laquer to the web to form thereon a printed image in gravure printing. The laquer is dried on the web to have a thickness of at least 30 ?m and the printed areas form clearly perceptible structuring.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: September 24, 2019
    Assignee: MONDI AG
    Inventor: Ulf Seifert
  • Publication number: 20180111362
    Abstract: A structured packaging film is made by first of feeding a flat, unembossed first film web in a gravure printing device to a cylindrical print roller having an engraving on its surface with an array of cavities having a depth of at least 50 ?m. Printing laquer is applied to the print roller to fill the cavities. Then the roller is rolled on the first film web to transfer the laquer to the web to form thereon a printed image in gravure printing. The laquer is dried on the web to have a thickness of at least 30 ?m and the printed areas form clearly perceptible structuring.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 26, 2018
    Inventor: Ulf SEIFERT