Patents Assigned to Omya International AG
  • 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: 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: 20230220211
    Abstract: The present invention refers to Pickering emulsion comprising (i) water; (ii) 10 to 50 wt.-% oil, based on the total weight of the Pickering emulsion and (iii) 1 to 10 wt.-% of Pickering pigments, based on the total weight of the Pickering emulsion, wherein the Pickering pigments are calcium carbonate particles selected from surface-reacted calcium carbonate (SRCC) or mixtures of ground calcium carbonate (GCC) and surface-reacted calcium carbonate (SRCC) and wherein the calcium carbonate particles have a volume median particle size d50 value from 0.2 µm to 10 µm. Furthermore, the present invention refers to a composition comprising said Pickering emulsions and a method of preparing such Pickering emulsions. The present invention also refers to the use of calcium carbonate particles as Pickering pigments for stabilizing Pickering emulsions comprising water and 10 to 50 wt.
    Type: Application
    Filed: July 22, 2021
    Publication date: July 13, 2023
    Applicant: Omya International AG
    Inventors: Marcel LEX, Florentine HILTY-VANCURA, Laura DE MIGUEL, Sylvain MASSE
  • Publication number: 20230201126
    Abstract: The present invention relates to a process for the production of a microcapsule comprising an active ingredient or inactive precursor thereof, as well as a microcapsule obtainable thereby. The process involves the use of a surface-reacted calcium carbonate as a template for encapsulating the active ingredient or inactive precursor thereof. The active ingredient or inactive precursor thereof is loaded onto the surface-reacted calcium carbonate and subsequently encased by a multilayer shell comprising at least two complementary layers using layer-by-layer assembly. Further aspects of the invention relate to the use of a surface-reacted calcium carbonate as a template for encapsulating the active ingredient or inactive precursor thereof, a product comprising said microcapsule, as well as the use of said microcapsule.
    Type: Application
    Filed: June 18, 2021
    Publication date: June 29, 2023
    Applicant: Omya International AG
    Inventors: Joachim SCHOELKOPF, Florentine Marianne HILTY-VANCURA, Maxim KIRYUKHIN
  • Publication number: 20230183491
    Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to Me use of said mineral matter after an optional hydrophobic treatment. Said mineral material Having superior dispersing properties.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 15, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Pierre BLANCHARD, Jean-Pierre ELGOYHEN, Beat KARTH, Holger MULLER, Jurgen SPEHN, Martin BRUNNER, Pascal GONNON, Michael TINKL
  • 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
  • Publication number: 20230173073
    Abstract: The present invention refers to a Co-ground active(s) comprising product comprising a carrier material being surface-reacted calcium carbonate, a method for preparing said co-ground active(s) comprising product, a pharmaceutical, nutraceutical, veterinary or agricultural product comprising the co-ground active(s) comprising product according as well as the use of the surface-reacted calcium carbonate as a carrier material for reducing the X-ray crystallinity of solid active(s).
    Type: Application
    Filed: May 19, 2021
    Publication date: June 8, 2023
    Applicant: Omya International AG
    Inventors: Florentine Marianne HILTY-VANCURA, Laura DE MIGUEL
  • Publication number: 20230174426
    Abstract: The present invention relates to the use of particulate mineral material comprising barite for scavenging heavy metal anions from a liquid medium, wherein the heavy metal anions form water-insoluble barium salts with barium cations of the barite, and wherein the particulate mineral material has a specific surface area of from 0.1 m2/g to 100 m2/g, measured using nitrogen sorption and the BET method.
    Type: Application
    Filed: May 26, 2021
    Publication date: June 8, 2023
    Applicant: Omya International AG
    Inventors: Tobias KELLER, Manuel EGGIMANN
  • Publication number: 20230147210
    Abstract: The present invention relates to an asphalt slurry seal composition comprising a mineral filler comprising an inorganic mineral blend having a multi-modal particle size distribution comprising at least a first maximum in the range of about 0.1 ?m to about 15 ?m and a second maximum in the range about 5 ?m to about 35 ?m, wherein about 5 wt. % to about 40 wt. % of the particles in the inorganic mineral blend (dry weight) are in the range of about 0.1 ?m to about 15 ?m, a pigment component comprised of at least one pigment, an additive component comprising at least one rheology modifier, an asphalt emulsion, optionally one or more functional minerals, and water. Further, the particles of the inorganic mineral blend may be subjected to surface treatments.
    Type: Application
    Filed: November 9, 2021
    Publication date: May 11, 2023
    Applicant: Omya International AG
    Inventors: Eric Berget, Rolf A. Ahonen, Dino D. Papagianidis
  • Patent number: 11633874
    Abstract: The present invention relates to a process for manufacturing a decorative wood-based board, to a decorative wood-based board, to the use of at least one dry or liquid coating composition comprising at least one inorganic particulate filler material and at least one binder for in-line coating of decorative wood-based boards, and to the use of at least one dry or liquid coating composition comprising at least one inorganic particulate filler material and at least one binder for improving the mechanical properties of a decorative wood-based board. Furthermore, it relates to the use of a decorative wood-based board in flooring applications, furniture, walls, roof panels, display cabinets, storage units, loudspeakers and shop-fittings.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: April 25, 2023
    Assignee: Omya International AG
    Inventors: Christopher Schrul, Tomasz Ozyhar
  • Patent number: 11623973
    Abstract: The present invention relates to packaging material comprising a plastic substrate comprising at least one surface, and a barrier layer for hydrophobic substances, wherein the barrier layer is in contact with the at least one surface of the plastic substrate, wherein the barrier layer comprises a copolymer, a surface-reacted calcium carbonate, and a mineral material selected from natural ground calcium carbonate and/or precipitated calcium carbonate, as well as a method for producing the same and its use.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: April 11, 2023
    Assignee: Omya International AG
    Inventor: Ramon Rohé
  • Publication number: 20230066368
    Abstract: The present invention refers to the use of a calcium carbonate-based composition as an anticaking agent, wherein the calcium carbonate-based composition comprises a first component being a natural ground calcium carbonate or a precipitated calcium carbonate, and a second component being a surface-reacted calcium carbonate, wherein the surface-reacted calcium carbonate is a reaction product of natural ground calcium carbonate or precipitated calcium carbonate with carbon dioxide and at least one H3O+ ion donor, wherein the carbon dioxide is formed in situ by the at least one H3O+ ion donor treatment and/or is supplied from an external source. Furthermore, the present invention refers to a particulate composition comprising such an anticaking agent, and to a method for producing such a particulate composition.
    Type: Application
    Filed: February 23, 2021
    Publication date: March 2, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Lalit SHARMA, Marcel LEX, Renata NEGRINI, Tanja BUDDE, Stefan LANDER
  • Patent number: 11591272
    Abstract: The present invention relates to a method for regulating the pH of a soil as well as the use of at least one earth alkali carbonate-containing material having a weight median particle size d50 value of ?50.0 ?m for optimizing or improving the pH of a soil as well as the use of an irrigation or spraying system for the application of an aqueous suspension comprising at least one earth alkali carbonate-containing material in order to optimize or improve the pH of a soil.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: February 28, 2023
    Assignee: Omya International AG
    Inventors: Michael Skovby, Domenico Zocco, Steven Edward Durand
  • Publication number: 20230047798
    Abstract: A process for the production of a nonwoven fabric. In particular, it relates to the production of a nonwoven fabric having desirable tactile and haptic as well as mechanical properties, as well as to the nonwoven fabric itself. The process requires the selection of specific polylactic acid polymers and corresponding process conditions.
    Type: Application
    Filed: January 12, 2021
    Publication date: February 16, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Martin BRUNNER, Christophe ROUX, Simon FREMEAUX
  • Patent number: 11576410
    Abstract: A method is described of using a surface-reacted calcium carbonate as an extrusion aid for the production of a puffed polysaccharide-based material, excluding fibrillated cellulose-containing materials. In embodiments, the surface-reacted calcium carbonate is a reaction product of ground natural calcium carbonate (GNCC) or precipitated calcium carbonate (PCC) with carbon dioxide.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: February 14, 2023
    Assignee: OMYA INTERNATIONAL AG
    Inventor: Tanja Budde
  • Patent number: 11553718
    Abstract: The invention relates to a process for reducing the minimum inhibitory concentration (MIC) of a biocide against at least one strain of bacteria and/or at least one strain of yeast and/or at least one strain of mould in an aqueous preparation. The invention further relates to the use of a water soluble source of lithium ions for reducing the minimum inhibitory concentration (MIC) of a biocide against at least one strain of bacteria and/or at least one strain of yeast and/or at least one strain of mould in an aqueous preparation.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: January 17, 2023
    Assignee: Omya International AG
    Inventors: Anita Zumsteg, Joachim Glaubitz, Simon Urwyler, Matthias Buri, Patrick A. C. Gane
  • Patent number: 11555122
    Abstract: The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: January 17, 2023
    Assignee: Omya International AG
    Inventors: Pierre Blanchard, Jean-Pierre Elgoyhen, Beat Karth, Holger Müller, Jürgen Spehn, Martin Brunner, Pascal Gonnon, Michael Tinkl
  • Publication number: 20230003641
    Abstract: A method and an LWIR imaging system for detecting an amorphous and/or crystalline structure of phosphate and/or sulphate salts on the surface of a substrate or within a substrate are described. The method comprises the steps of i) providing an LWIR imaging system, the LWIR imaging system comprising a) an infrared light emitting source (A) that emits over the whole range of 8 to 14 micrometers, b) an LWIR detecting device (B) and c) a ToF distance sensor (C), ii) providing a substrate comprising an amorphous and/or crystalline structure of phosphate and/or sulphate salts on the surface of the substrate or within the substrate, ii) irradiating the provided substrate with the infrared light emitting source and iii) detecting, with the LWIR detecting device and using and/or based on the TOF distance sensor, the intensity of electromagnetic radiation scattered, emitted and/or reflected by the substrate and the amorphous and/or crystalline structure of phosphate and/or sulphate salts.
    Type: Application
    Filed: December 23, 2020
    Publication date: January 5, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Roger BOLLSTROM, Gilbert BOTTY, Marco BURASCHI
  • Publication number: 20230000737
    Abstract: The present invention refers to a dry composition for chemical and physical sun protection, the composition comprising a) at least one calcium carbonate, and b) from 0.1 wt.-% to 100 wt.-%, based on the dry weight of the at least one calcium carbonate of step a) of at least one lignin. Furthermore, the present invention refers to a fluid composition comprising the inventive dry composition as well as to an emulsion comprising the inventive dry composition. The present invention also refers to the use of the inventive compositions for sun protection of plants and parts thereof as well as the use of the inventive emulsion for chemical and physical sun protection in a cosmetic formulation.
    Type: Application
    Filed: December 7, 2020
    Publication date: January 5, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Jamal FTOUNI, Fabrizio ORLANDO, Joachim SCHOELKOPF
  • Publication number: 20230000072
    Abstract: The present invention refers to an agricultural composition for providing UV-A and/or UV-B protection to plants and parts thereof, the composition comprising at least one wax, at least one lignin, at least one emulsifier, water, optionally calcium carbonate, and optionally a solvent, wherein the ratio of wax:lignin in the composition is from 100:1 to 100:200 based on the dry weight of the wax and the lignin. Furthermore, the present invention refers to the use of such an agricultural composition for UV-A and/or UV-B protection of plants and parts thereof as well as to the use of the combination of at least one wax and at least one lignin as UV-A and/or UV-B protecting agent, wherein the ratio of wax:lignin is from 100:1 to 100:200 based on the dry weight of the wax and the lignin.
    Type: Application
    Filed: December 7, 2020
    Publication date: January 5, 2023
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Jamal FTOUNI, Fabrizio ORLANDO