Patents by Inventor Christoph Hirsiger

Christoph Hirsiger 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).

  • ULTRAFINE SURFACE-TREATED FILLERS FOR THIN BREATHABLE FILMS
    Publication number: 20230416499
    Abstract: The present invention relates to a breathable film having a basis weight from 1 to 15 g/m2 comprising at least one thermoplastic polymer and a surface-treated filler material comprising calcium carbonate. The surface-treated filler material has a specific particle size distribution and a specific surface-treatment layer. The present invention further relates to a process for producing the breathable film, the use of a surface-treated filler material comprising calcium carbonate as a filler in a breathable film, an article comprising the breathable film and uses of the breathable film.
    Type: Application
    Filed: November 25, 2021
    Publication date: December 28, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Michael KNERR, Christoph HIRSIGER
  • Calcium carbonate as cavitation agent for biaxially oriented polypropylene films
    Patent number: 11746196
    Abstract: The present invention relates to a mono or multi-layer biaxially oriented polypropylene film having a density of ?0.72 g/cm3, a process for producing the mono or multi-layer biaxially oriented polypropylene film, the use of at least one natural calcium carbonate as cavitation agent in the mono or multi-layer biaxially oriented polypropylene film, an article comprising the mono or multi-layer biaxially oriented polypropylene film as well as the uses.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: September 5, 2023
    Assignee: Omya International AG
    Inventors: Martin Brunner, Christoph Hirsiger, Pierre Blanchard, Christophe René Pierre Roux
  • MULTIFILAMENT POLYESTER FIBRES
    Publication number: 20220074076
    Abstract: The present invention concerns a multifilament fibre comprising at least one polymer comprising a polyester, and at least one filler comprising calcium carbonate. The present invention further relates to a process of producing such a multifilament fibre as well as the use of calcium carbonate as filler in a multifilament fibre comprising at least one polymer comprising a polyester.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Martin BRUNNER, Christoph HIRSIGER, Francesco PULLEGA, Samuel RENTSCH, Michael TINKL
  • Multifilament polyester fibres
    Patent number: 11208738
    Abstract: The present invention concerns a multifilament fibre comprising at least one polymer comprising a polyester, and at least one filler comprising calcium carbonate. The present invention further relates to a process of producing such a multifilament fibre as well as the use of calcium carbonate as filler in a multifilament fibre comprising at least one polymer comprising a polyester.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: December 28, 2021
    Assignee: Omya International AG
    Inventors: Martin Brunner, Christoph Hirsiger, Francesco Pullega, Samuel Rentsch, Michael Tinkl
  • CALCIUM CARBONATE AS CAVITATION AGENT FOR BIAXIALLY ORIENTED POLYPROPYLENE FILMS
    Publication number: 20190218352
    Abstract: The present invention relates to a mono or multi-layer biaxially oriented polypropylene film having a density of ?0.72 g/cm3, a process for producing the mono or multi-layer biaxially oriented polypropylene film, the use of at least one natural calcium carbonate as cavitation agent in the mono or multi-layer biaxially oriented polypropylene film, an article comprising the mono or multi-layer biaxially oriented polypropylene film as well as the uses.
    Type: Application
    Filed: July 17, 2017
    Publication date: July 18, 2019
    Inventors: Martin Brunner, Christoph Hirsiger, Pierre Blanchard, Christophe René Pierre Roux
  • SURFACE-TREATED COMPACTED MATERIAL
    Publication number: 20170355104
    Abstract: The present invention relates to a process for producing a compacted material comprising the steps of providing a powder material and a polymer binder, simultaneously or subsequently feeding the powder material and the polymer binder into a high speed mixer unit, mixing the powder material and the polymer binder in the high speed mixer unit until formation of a compacted material, and reducing the temperature of the obtained compacted material below the melting point or glass transition temperature of the polymer binder.
    Type: Application
    Filed: November 25, 2015
    Publication date: December 14, 2017
    Inventors: Martin Brunner, Michael Knerr, Christoph Hirsiger, Roland Riesen, Giuseppe Schirosi, Michael Tinkl, Karsten Udo Schulz, Antonio Muratore
  • MULTIFILAMENT POLYESTER FIBRES
    Publication number: 20170204536
    Abstract: The present invention concerns a multifilament fibre comprising at least one polymer comprising a polyester, and at least one filler comprising calcium carbonate. The present invention further relates to a process of producing such a multifilament fibre as well as the use of calcium carbonate as filler in a multifilament fibre comprising at least one polymer comprising a polyester.
    Type: Application
    Filed: June 18, 2015
    Publication date: July 20, 2017
    Inventors: Martin Brunner, Christoph Hirsiger, Francesco Pullega, Samuel Rentsch, Michael TinkI