Patents Assigned to Omya International AG
  • Patent number: 11530313
    Abstract: The present invention relates to a process for preparing a surface treated filler material product with succinic anhydride(s), a surface treated filler material product, a polymer composition, a fiber and/or filament and/or film and/or thread 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 as well as the use of a mono-substituted succinic anhydride for decreasing the hydrophilicity of a calcium carbonate-containing filler material surface and the use of a surface-treated filler material product for initiating the crosslinking reaction in epoxide resins.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: December 20, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Samuel Rentsch, Matthias Buri, René Vinzenz Blum, Martin Brunner, Patrick A. C. Gane
  • Patent number: 11524514
    Abstract: The present invention relates to method of manufacturing a tamper-proof medium for thermal printing, wherein a liquid treatment composition comprising at least one acid is deposited on a substrate which comprises a thermochromic coating layer comprising at least one halochromic leuco dye.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: December 13, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Roger Bollstrom, Gilbert Botty, Philipp Hunziker
  • Publication number: 20220380633
    Abstract: The present invention refers to a paper article comprising a paper component having a first side and a second side, wherein the first side and/or the second side of the paper component is at least partially coated with a heat-sealable coating, wherein the heat-sealable coating comprises a first polymer comprising units derived from a (meth)acrylate and/or (meth)acrylic acid and/or a salt thereof, and a second polymer, being different from the first polymer, comprising units derived from a) a (meth)acrylate and/or (meth)acrylic acid and/or a salt thereof, and b) an alkene, wherein the first polymer and the second polymer are present in the heat-sealable coating in a weight ratio of 90:10 to 35:65, and wherein the first polymer and the second polymer are present in the heat-sealable coating in an overall amount of at least 50 wt. %, based on the total weight of the coating.
    Type: Application
    Filed: November 25, 2020
    Publication date: December 1, 2022
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Jan Philipp WEIHS, Fabien Wilhelm MONNARD
  • 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: 20220362114
    Abstract: The present invention relates to an oral care composition comprising a magnesium ion-containing material in an amount from 0.1 to 40 wt.-%, based on the total weight of the composition as well as the use of a magnesium ion-containing material as opacifying agent and/or whitening pigment in oral care compositions.
    Type: Application
    Filed: April 29, 2020
    Publication date: November 17, 2022
    Applicant: Omya International AG
    Inventors: Tobias KELLER, Tanja BUDDE, Samuel RENTSCH
  • Publication number: 20220354131
    Abstract: The present invention refers to a baking powder comprising a natural ground calcium carbonate having a volume median particle size d50 from 1 to 15 ?m, and at least one solid organic acid having a pKa value in the range of 2.5 to 7.0, and wherein the baking powder is sodium-free. Furthermore, the present invention refers to a process for producing a baking powder, a product comprising the baking powder, a food obtainable by using the baking powder or a product comprising the same, and to the use of a composition comprising a natural ground calcium carbonate and a solid organic acid as a baking powder.
    Type: Application
    Filed: September 4, 2020
    Publication date: November 10, 2022
    Applicant: Omya International AG
    Inventors: Lalit SHARMA, Tanja BUDDE, Ramona RÜEGG
  • Patent number: 11472969
    Abstract: The present invention relates to a coating composition comprising at least one binder and at least one ground natural calcium carbonate material. The invention further relates to the use of at least one ground natural calcium carbonate material in a coating composition comprising at least one binder as well as to an article that is coated with such a coating composition and a paint comprising such a coating composition.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: October 18, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Daniel Gantenbein, Maryna Zinchenko, Rolf Endre Orten, Detlef Gysau, Dennis Werner
  • Publication number: 20220324769
    Abstract: The present invention relates to fertilizer compositions comprising phosphate rock powder (PRP) and surface-reacted calcium carbonate (SRCC) and optionally a binder.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 13, 2022
    Applicant: Omya International AG
    Inventors: Tomasz OZYHAR, Florentine HILTY VANCURA, Svetlana SIBIK
  • 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: 20220323929
    Abstract: The present invention relates to the use of particulate mineral material comprising modified heulandite group zeolite for removing heavy metal cations from a liquid medium, wherein at least a part of the exchangeable cations in the heulandite group zeolite is replaced by ammonium cations.
    Type: Application
    Filed: August 18, 2020
    Publication date: October 13, 2022
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Tobias KELLER, Samuel RENTSCH
  • Publication number: 20220307172
    Abstract: The present invention relates to a process for the production of a nonwoven fabric. In particular, the present invention relates to the production of a nonwoven fabric having desirable tactile and haptic properties, as well as to the nonwoven fabric itself. The process requires the selection of specific materials and process conditions. The fabric is produced from a masterbatch of isotactic polypropylene homopolymer and a surface-treated calcium carbonate filler.
    Type: Application
    Filed: July 9, 2020
    Publication date: September 29, 2022
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Martin BRUNNER, Christophe Rene Pierre ROUX, Melanie MONCEAUX, Simon FREMEAUX
  • 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: 11433009
    Abstract: The present invention refers to the use of a surface-reacted calcium carbonate having a volume median particle size d50 from 0.1 to 90 ?m as skin appearance modifier in a cosmetic and/or skin care composition.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: September 6, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Tanja Budde, Anaïs Hecker
  • Patent number: 11434152
    Abstract: The present invention relates to a method for increasing the magnesium ion concentration of feed water. The method comprises the steps of providing an inlet flow of feed water QIN and passing said flow QIN through a solid bed comprising a magnesium ion source to obtain an outlet flow of treated water QOUT having an increased concentration of magnesium ions. The invention further relates to a water treatment system for increasing the magnesium ion concentration of feed water and a corresponding flow reactor.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: September 6, 2022
    Assignee: OMYA International AG
    Inventors: Nicholas Charles Nelson, Marius Schmid
  • Patent number: 11427695
    Abstract: The present invention relates to the use of a surface-reacted calcium carbonate as an anti-blocking agent in polymer(s) containing compositions, wherein the surface-reacted calcium carbonate is a reaction product of natural ground or precipitated calcium carbonate with carbon dioxide and one or more H3O+ ion donors in an aqueous medium, wherein the carbon dioxide is formed in situ by the H3O+ ion donors treatment and/or is supplied from an external source, an anti-blocking agent comprising surface-reacted calcium carbonate or a combination of surface reacted calcium carbonate and mineral material, a method for controlling the blocking of polymer(s) containing compositions, a polymer(s) containing composition comprising surface reacted calcium carbonate or a combination of surface reacted calcium carbonate and mineral material, a coating composition comprising such polymer(s) containing composition, as well as a substrate coated with such coating composition.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: August 30, 2022
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Steffen Ohr, Catherine Jean Ridgway, Philipp Hunziker
  • Patent number: 11426334
    Abstract: The present invention refers to the use of a surface-reacted calcium carbonate in a cosmetic and/or skin care composition as an agent for modifying the biomechanical properties of the skin.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: August 30, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Tanja Budde, Anaïs Hecker
  • Publication number: 20220259410
    Abstract: The present invention is directed to stabilizer compositions comprising at least one oxalanilide UV absorber, at least one hindered amine light stabilizer (HALS), at least one phenolic antioxidant and optionally further components. Said stabilizer compositions are preferably used in sealants or adhesives based on silyl-modified polymers (SMP). The invention is also directed to a polymer composition based on silyl-modified polymers (SMP) comprising the inventive stabilizer combination of oxalanilide UV absorber, hindered amine light stabilizer (HAL S) and phenolic antioxidant.
    Type: Application
    Filed: July 10, 2019
    Publication date: August 18, 2022
    Applicants: CLARIANT INTERNATIONAL LTD, OMYA INTERNATIONAL AG
    Inventors: Jean-Yves DESRATS, Antonio DI RISIO, Mouhcine KANOUNI, Andrea BATTISTI, David GRASSINI
  • Patent number: 11413622
    Abstract: The present invention relates to apparatus for simultaneous grinding and froth flotation of at least one crude mineral and/or pigment, a process carried out in the apparatus for manufacturing at least one ground mineral and/or pigment, use of the ground mineral and/or pigment bearing phase obtainable by the process in paper applications as well as in paper, plastics, paints, coatings, adhesives, sealants, food, feed, pharma, concrete, cement, cosmetic, water treatment and/or agriculture applications, preferably in a wet end process of paper machine, in cigarette paper, board, and/or coating applications, or as support for rotogravure and/or offset and/or ink jet printing and/or continuous ink jet printing and/or flexography and/or electrophotography and/or decoration surfaces and the ground mineral and/or pigment bearing phase or ground mineral and/or pigment obtainable by the process.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: August 16, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Michael Steinwender, Jörg Sötemann
  • Publication number: 20220243023
    Abstract: The present invention relates to a PVC resin composition for preparing foamed polymer products, to a foamed polymer product prepared from the composition, to a method for preparing a foamed polymer product, to an article comprising the foamed polymer product as well as to the use of a surface-reacted calcium carbonate, hydromagnesite and mixtures thereof for reducing the density of the obtained foamed PVC product.
    Type: Application
    Filed: June 12, 2020
    Publication date: August 4, 2022
    Applicant: OMYA INTERNATIONAL AG
    Inventors: Jurgen SPEHN, Fabio IPPOLITO, Franck BARADEL, Marcus UNGER
  • Patent number: 11400050
    Abstract: A method is described for producing a dosage form. Also described, are granules and tablets obtained by the method. The use of a surface-reacted calcium carbonate in such a method, a dosage form comprising the granules, the use of the granules, or the tablets and/or capsules, or the dosage form in a pharmaceutical product, a nutraceutical product, an agricultural product, a cosmetic product, a home product, a food product, a packaging product and a personal care product as well as pharmaceutical product, a nutraceutical product, an agricultural product, a cosmetic product, a home product, a food product, a packaging product and a personal care product including such granules, or the tablets and/or capsules, or the dosage form are also described.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: August 2, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Carolina Diaz Quijano, Laura De Miguel, Joachim Schölkopf