Patents by Inventor Lars Hilden

Lars Hilden 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).

  • Pulp mixture
    Patent number: 12606957
    Abstract: There is provided a use of a pulp mixture for forming a container in a mould, which pulp mixture comprises: 65-90%, such as 70-84%, by dry weight of a first pulp having a Schopper-Riegler (SR) number of below 48, preferably below 40, more preferably below 30; and 10-35%, such as 16-30%, by dry weight of a second pulp having a Schopper-Riegler (SR) number of 60-90, preferably 70-90, more preferably 77-90. A pulp mixture and a method of producing a pulp mixture are also provided.
    Type: Grant
    Filed: July 18, 2023
    Date of Patent: April 21, 2026
    Assignee: ALPLA WERKE ALWIN LEHNER GMBH & CO KG
    Inventors: Irina Rauvanto, Lars Hilden
  • Pulp Mixture
    Publication number: 20230407568
    Abstract: There is provided a use of a pulp mixture for forming a container in a mould, which pulp mixture comprises: 65-90%, such as 70-84%, by dry weight of a first pulp having a Schopper-Riegler (SR) number of below 48, preferably below 40, more preferably below 30; and 10-35%, such as 16-30%, by dry weight of a second pulp having a Schopper-Riegler (SR) number of 60-90, preferably 70-90, more preferably 77-90. A pulp mixture and a method of producing a pulp mixture are also provided.
    Type: Application
    Filed: July 18, 2023
    Publication date: December 21, 2023
    Inventors: Irina Rauvanto, Lars Hilden
  • Pulp mixture
    Patent number: 11746472
    Abstract: There is provided a use of a pulp mixture for forming a container in a mould, which pulp mixture comprises: 65-90%, such as 70-84%, by dry weight of a first pulp having a Schopper-Riegler (SR) number of below 48, preferably below 40, more preferably below 30; and 10-35%, such as 16-30%, by dry weight of a second pulp having a Schopper-Riegler (SR) number of 60-90, preferably 70-90, more preferably 77-90. A pulp mixture and a method of producing a pulp mixture are also provided.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: September 5, 2023
    Assignee: BillerudKorsnas AB
    Inventors: Irina Rauvanto, Lars Hilden
  • Pulp Mixture
    Publication number: 20200109515
    Abstract: There is provided a use of a pulp mixture for forming a container in a mould, which pulp mixture comprises: 65-90%, such as 70-84%, by dry weight of a first pulp having a Schopper-Riegler (SR) number of below 48, preferably below 40, more preferably below 30; and 10-35%, such as 16-30%, by dry weight of a second pulp having a Schopper-Riegler (SR) number of 60-90, preferably 70-90, more preferably 77-90. A pulp mixture and a method of producing a pulp mixture are also provided.
    Type: Application
    Filed: June 20, 2018
    Publication date: April 9, 2020
    Inventors: Irina Rauvanto, Lars Hilden