Patents by Inventor Matthias Welker

Matthias Welker 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: 11873388
    Abstract: The present invention relates to a mono or multi-layer polyester film, a process for producing the mono or multi-layer polyester film, an article comprising the mono or multi-layer polyester film as well as the use of the mono or multi-layer polyester film packaging products, insulating materials, solar, marine or aviation applications, science, electronic or acoustic applications, wires, cables, radio frequency identifications, flexible circuits, graphic arts, stone paper, holograms, filter products, cosmetic products, household products imaging, recording media, or industrial products.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 16, 2024
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Michael Knerr, Tazio Fornera, Pierre Blanchard, Karsten Udo Schulz, Martin Brunner, Sulejman Zendeli, Matthias Welker
  • Publication number: 20230383097
    Abstract: The present invention relates to a filled polymer composition comprising polyethylene, polypropylene and an ultrafine calcium carbonate-containing filler material surface-treated with a surface-treatment agent, which has a total amount of carbon atoms from C4 to C34 and comprises at least one carboxyl group and/or a derivative thereof. The present invention further relates to a process for producing said filled polymer composition, the use of the surface-treated calcium carbonate-containing filler material for improving the mechanical properties of a polymer composition comprising polyethylene and polypropylene, as well as an article comprising the inventive filled polymer composition.
    Type: Application
    Filed: October 4, 2021
    Publication date: November 30, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Samuel RENTSCH, Matthias WELKER, Joris BARANGER
  • Publication number: 20230365812
    Abstract: The present invention relates to a kit of parts comprising a surface-treated calcium carbonate-containing filler material and a peroxide agent for improving the mechanical properties of a polymer mixture comprising at least one polyethylene polymer and at least one polypropylene polymer, a filled polymer mixture, a process for the preparation of a filled polymer composition, a filled polymer composition obtained thereby or obtainable by reacting the filled polymer mixture, the use of a surface-treated calcium carbonate-containing filler material and a peroxide reagent for reacting a polymer composition comprising at least one polyethylene polymer and at least one polypropylene polymer, preferably thereby improving the mechanical properties of the polymer composition, as well as an article comprising the filled polymer mixture or the filled polymer composition.
    Type: Application
    Filed: October 4, 2021
    Publication date: November 16, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Samuel RENTSCH, Matthias WELKER, Joris BARANGER
  • Patent number: 11753548
    Abstract: The present invention relates to a method for the treatment of a surface-reacted calcium carbonate, wherein the treatment agent is selected from the group consisting of ascorbic acid and/or salts thereof, gallic acid and/or salts thereof, unsaturated fatty acids and/or salts thereof, elemental iron, iron (II)-salts, iron (II)-comprising oxides, iron (II, III)-comprising oxides and mixtures thereof, a treated surface-reacted calcium carbonate as well as a use of the treated surface-reacted calcium carbonate as oxygen scavenger.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 12, 2023
    Assignee: Omya International AG
    Inventors: Samuel Rentsch, Matthias Welker, Patrick A. C. Gane
  • Publication number: 20230279201
    Abstract: A curable elastomer composition includes a crosslinkable polymer, and a filler selected from surface-reacted calcium carbonate, precipitated hydromagnesite, or a mixture thereof, wherein the surface-reacted calcium carbonate is a reaction product of natural ground calcium carbonate or precipitated calcium carbonate with carbon dioxide and one or more H3O+ ion donors, wherein the carbon dioxide is formed in situ by the H3O+ ion donors treatment and/or is supplied from an external source. Furthermore, the disclosure relates to a cured elastomer product formed from said composition, an article including the cured elastomer product, a method of producing a cured elastomer product, and use of the filler for reinforcing a cured elastomer product.
    Type: Application
    Filed: July 15, 2021
    Publication date: September 7, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Matthias WELKER, Samuel RENTSCH
  • Patent number: 11718759
    Abstract: A surface-reacted calcium carbonate is described. In embodiments, the surface-reacted calcium carbonate is obtained by a process comprising treating a calcium carbonate-comprising material with at least one H3O+ ion donor, carbon dioxide, and at least one water-soluble metal cation source in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: August 8, 2023
    Assignee: Omya International AG
    Inventors: Daniel E. Gerard, Samuel Rentsch, Matthias Welker, Simon Urwyler, Joachim Glaubitz, Martina Elisabeth Knupfer, Patrick A. C. Gane
  • Publication number: 20230235151
    Abstract: A porous filler for reducing the gas permeability of an elastomer composition, a process for producing the elastomer composition comprising the porous filler, and the elastomer composition itself. The porous filler is selected from surface-reacted calcium carbonate, precipitated hydromagnesite and mixtures thereof. The addition of the porous filler to the elastomer composition allows for reducing the gas permeability of the elastomer composition while retaining or improving the mechanical properties of the elastomer composition.
    Type: Application
    Filed: July 15, 2021
    Publication date: July 27, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Matthias WELKER, Samuel RENTSCH
  • Patent number: 11708478
    Abstract: The present invention refers to the use of at least one mono-substituted succinic anhydride before or during extrusion of a polymer composition comprising polylactic acid as polymer component and at least one calcium carbonate-comprising material as filler, to reduce the polymer decomposition during processing and/or to decrease the melt flow rate of such an extruded polymer as well as a method for reducing the polymer decomposition during processing and decreasing the melt flow rate of a polymer composition comprising polylactic acid as polymer component and at least one calcium carbonate-comprising material as filler, the use of a polymer composition obtainable by a process comprising the steps of a) providing at least one polylactic acid as polymer component, b) providing at least one calcium carbonate-comprising material as filler, c) providing at least one mono-substituted succinic anhydride and d) contacting the components of a), b) and c) in any order and e) extruding the contacted components of step d
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: July 25, 2023
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Samuel Rentsch, Matthias Welker, Christopher Pichler, Martin Brunner, Michael Knerr, Tazio Fornera
  • Publication number: 20230220212
    Abstract: A composition formed from a calcium or magnesium carbonate-including material and a surface-treatment composition including at least one cross-linkable compound, a dry process for the preparation of such a composition, a curable elastomer mixture comprising an elastomer resin and the composition, a cured elastomer product formed from the curable elastomer mixture, a process for preparing the cured elastomer product, the use of at least one cross-linkable compound including at least two functional groups, wherein at least one functional group is suitable for cross-linking an elastomer resin and wherein at least one functional group is suitable for reacting with the calcium or magnesium carbonate-including material in the compounding of an elastomer formed from an elastomer resin and at least one calcium or magnesium carbonate-comprising material as filler as well as an article formed from the cured elastomer product.
    Type: Application
    Filed: July 15, 2021
    Publication date: July 13, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Matthias WELKER, Samuel RENTSCH
  • Publication number: 20230220185
    Abstract: A curable fluoropolymer composition includes a crosslinkable fluorine-containing polymer, and a filler selected from surface-reacted calcium carbonate, ultrafine calcium carbonate, or a mixture thereof, wherein the surface-reacted calcium carbonate is a reaction product of natural ground calcium carbonate or precipitated calcium carbonate with carbon dioxide and one or more H3O+ ion donors, wherein the carbon dioxide is formed in situ by the H3O+ ion donors treatment and/or is supplied from an external source. Furthermore, the disclosure relates to a cured fluoropolymer product formed from said composition, an article including the cured fluoropolymer product, a method of producing a cured fluoropolymer product, and use of said filler for reinforcing a cured fluoropolymer product.
    Type: Application
    Filed: July 15, 2021
    Publication date: July 13, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Matthias WELKER, Samuel RENTSCH
  • Publication number: 20230174741
    Abstract: A composition includes a calcium carbonate-comprising material and from 0.1 to 8 wt.-%, based on the total weight of the calcium carbonate-comprising material, of at least one grafted polymer comprising at least one succinic anhydride group obtained by grafting maleic anhydride onto a homo- or copolymer including butadiene units and optionally styrene units and/or salty reaction products thereof a polyester mixture including the composition, a polyester product prepared from the polyester mixture, a process for preparing the polyester product as well as the use of the at least one grafted polymer to decrease the melt flow rate of such a polyester product and an article formed from the polyester product.
    Type: Application
    Filed: July 15, 2021
    Publication date: June 8, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Matthias WELKER, Samuel RENTSCH
  • Patent number: 11505678
    Abstract: The use of at least one mono-substituted succinic anhydride is described before or during compounding of a polymer composition including at least one polymer as polymer component and at least one calcium carbonate-based material as filler. The use of the at least one mono-substituted succinic anhydride can reduce the polymer decomposition during processing and/or can decrease the melt flow rate of such a compounded polymer composition by at least 10%. The use can also increase the viscosity of such a compounded polymer composition by at least 10%, in comparison to the same polymer composition that has been treated the same way in the absence of any mono-substituted succinic anhydride, wherein the polymer composition does not include polylactic acid.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: November 22, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Samuel Rentsch, Matthias Welker, Michael Knerr
  • Publication number: 20220325066
    Abstract: The present invention refers to a surface treated filler material product comprising a) at least one calcium carbonate-containing filler material and b) a treatment layer on the surface of the at least one calcium carbonate-containing filler material comprising i. maleic anhydride grafted polyethylene and/or maleic anhydride grafted polypropylene and ii. at least one hydrophobizing agent. Furthermore, a process for preparing the inventive surface treated filler material product is disclosed, as well as a polymer composition comprising at least one polymeric resin and the inventive surface treated filler material product.
    Type: Application
    Filed: June 4, 2020
    Publication date: October 13, 2022
    Applicant: Omya International AG
    Inventors: Matthias WELKER, Joris BARANGER, Samuel RENTSCH
  • Publication number: 20220298356
    Abstract: The present invention relates to a functionalized poly- and/or perfluorinated compound treated calcium carbonate, wherein the calcium carbonate is surface treated with at least one functionalized poly- and/or perfluorinated compound, a process for preparing the poly- and/or perfluorinated compound treated calcium carbonate, the use of the poly- and/or perfluorinated compound treated calcium carbonate as a filler and/or a surface coating agent, fillers and surface coating agents comprising the poly- and/or perfluorinated compound treated calcium carbonate, and polymers comprising the poly- and/or perfluorinated compound treated calcium carbonate.
    Type: Application
    Filed: September 3, 2020
    Publication date: September 22, 2022
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Franck BARADEL, Matthias WELKER
  • Patent number: 11441037
    Abstract: The present invention relates to a process for preparing a surface treated filler material product with mono-substituted succinic anhydride(s) and a mixture of aliphatic linear or branched carboxylic acids comprising stearic acid, a surface treated filler material product, a polymer composition, a fiber and/or filament and/or film and/or thread and/or sheet and/or pipe and/or profile and/or mold and/or, injection molds and/or blow mold comprising the surface treated filler material product and/or the polymer composition, an article comprising the surface treated filler material product and/or the polymer composition and/or the fiber and/or filament and/or film and/or thread and/or sheet and/or pipe and/or profile and/or mold and/or injection mold and/or blow mold as well as the use of at least one mono-substituted succinic anhydride and/or salty reaction product(s) thereof in combination with a mixture of aliphatic linear or branched carboxylic acids comprising stearic acid and/or salty reaction product(s) th
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: September 13, 2022
    Assignee: ONYA INTERNATIONAL AG
    Inventors: Francesco Pullega, Pierre Blanchard, Tazio Fornera, Matthias Welker
  • Publication number: 20220081530
    Abstract: The present invention relates to a surface-treated filler material product comprising filler material comprising at least one epoxy-functional compound having one or more epoxy group(s) and/or reaction products thereof, a process for preparing said surface-treated filler material product, a polymer composition comprising at least one polymeric resin and from 1 to 70 wt.-%, based on the total weight of the polymer composition, of said surface-treated filler material product, a polymeric article comprising said surface-treated filler material product and/or the polymer composition as well as the use of the surface-treated filler material product to reduce degradation of the mechanical properties in a polymeric article comprising the surface-treated filler material product when exposed to UV light.
    Type: Application
    Filed: February 11, 2020
    Publication date: March 17, 2022
    Inventors: Matthias WELKER, Tazio FORNERA, Karsten Udo SCHULZ, Samuel RENTSCH
  • Publication number: 20220025189
    Abstract: A method of preserving, controlling an odor, and/or enhancing and/or mediating antimicrobial activity of a substrate is described, the method comprising administering a surface-reacted calcium carbonate. The surface-reacted calcium carbonate is obtained by a process comprising treating a calcium carbonate-comprising material with at least one H3O+ ion donor, carbon dioxide, and at least one water-soluble metal cation source in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate.
    Type: Application
    Filed: October 4, 2021
    Publication date: January 27, 2022
    Inventors: Daniel E. GERARD, Samuel RENTSCH, Matthias WELKER, Simon URWYLER, Joachim GLAUBITZ, Martina Elisabeth KNUPFER, Patrick A. C. GANE
  • Publication number: 20220025190
    Abstract: A method of providing micronutrient delivery and/or plant protection is described, the method comprising administering a surface-reacted calcium carbonate as a metal cation releaser to deliver the micronutrient and/or provide plant protection. The surface-reacted calcium carbonate is obtained by a process comprising treating a calcium carbonate-comprising material with at least one H3O+ ion donor, carbon dioxide, and at least one water-soluble metal cation source in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate.
    Type: Application
    Filed: October 5, 2021
    Publication date: January 27, 2022
    Inventors: Daniel E. GERARD, Samuel RENTSCH, Matthias WELKER, Simon URWYLER, Joachim GLAUBITZ, Martina Elisabeth KNUPFER, Patrick A. C. GANE
  • Publication number: 20220017753
    Abstract: A surface-reacted calcium carbonate is described. In embodiments, the surface-reacted calcium carbonate is obtained by a process comprising treating a calcium carbonate-comprising material with at least one H3O+ ion donor, carbon dioxide, and at least one water-soluble metal cation source in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Inventors: Daniel E. GERARD, Samuel RENTSCH, Matthias WELKER, Simon URWYLER, Joachim GLAUBITZ, Martina Elisabeth KNUPFER, Patrick A. C. GANE
  • Publication number: 20210371624
    Abstract: The present invention relates to a mono or multi-layer polyester film, a process for producing the mono or multi-layer polyester film, an article comprising the mono or multi-layer polyester film as well as the use of the mono or multi-layer polyester film packaging products, insulating materials, solar, marine or aviation applications, science, electronic or acoustic applications, wires, cables, radio frequency identifications, flexible circuits, graphic arts, stone paper, holograms, filter products, cosmetic products, household products imaging, recording media, or industrial products.
    Type: Application
    Filed: May 15, 2019
    Publication date: December 2, 2021
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Michael KNERR, Tazio FORNERA, Pierre BLANCHARD, Karsten Udo SCHULZ, Martin BRUNNER, Sulejman ZENDELI, Matthias WELKER