Patents by Inventor Patrick A. C. Gane

Patrick A. C. Gane 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: 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
  • 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
  • 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: 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: 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: 11326307
    Abstract: The present invention concerns a process for the preparation of flocculated filler particles, wherein at least two aqueous suspensions of at least one filler material and at least one flocculating additive are combined.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: May 10, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Michel Schenker, Matthias Buri, Lars Andersson, Daniel Gantenbein, Patrick A. C. Gane
  • Patent number: 11261100
    Abstract: The present invention refers to a process for making a calcium carbonate containing material, wherein the process includes a specific drying procedure and allows for the provision of calcium carbonate materials with reduced moisture pick-up and low porosity.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: March 1, 2022
    Assignee: Omya International AG
    Inventors: Matthias Buri, Catherine Jean Ridgway, Patrick A.C. Gane, Samuel Rentsch, René Burkhalter, Armelle Senti-Wenk, Martin Brunner, Gil Morieras, Tazio Fornera
  • Patent number: 11235981
    Abstract: The present invention refers to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its uses.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: February 1, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane, René Vinzenz Blum, Martine Poffet
  • Patent number: 11235982
    Abstract: The present invention refers to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its uses.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: February 1, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane, René Vinzenz Blum, Martine Poffet
  • Patent number: 11235980
    Abstract: The present invention refers to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its uses. The process is carried out in a reactor system that comprises a tank (1) equipped with a stirrer (2) and at least one filtering device (4).
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: February 1, 2022
    Assignee: OMYA INIERNATIONAL AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane, René Vinzenz Blum, Martine Poffet
  • 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: 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: 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
  • Patent number: 11225578
    Abstract: Some embodiments of the invention include a process for the surface-treatment of a calcium carbonate-comprising material, a surface-treated calcium carbonate-comprising material obtained by such a process and the use of such a surface-treated calcium carbonate-comprising material.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: January 18, 2022
    Assignee: Omya International AG
    Inventors: Fabio Ippolito, Samuel Rentsch, Patrick A. C. Gane
  • Publication number: 20220002523
    Abstract: A process for the production of composite materials comprising nano-fibrillar cellulose gels, by providing cellulose fibres and at least one filler and/or pigment, combining the cellulose fibres and the at least one filler and/or pigment, fibrillating the cellulose fibres in the presence of the at least one filler and/or pigment until a gel is formed, subsequently providing at least one further filler and/or pigment and combining the gel with the at least one further filler and/or pigment.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 6, 2022
    Applicant: FiberLean Technologies Limited
    Inventors: Patrick A.C. Gane, Michael Schenker, Ramjee Subramanian, Joachim SchoIkopf
  • Patent number: 11168219
    Abstract: A process of producing a surface-reacted calcium carbonate is described. In embodiments, a calcium carbonate-comprising material is treated 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. A surface-reacted calcium carbonate obtained by said process and its use are also described.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 9, 2021
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Daniel E. Gerard, Samuel Rentsch, Matthias Welker, Simon Urwyler, Joachim Glaubitz, Martina Elisabeth Knupfer, Patrick A. C. Gane
  • Patent number: 11161088
    Abstract: The present invention refers to the use of a surface-treated calcium carbonate-comprising material and/or magnesium carbonate-comprising material as oxygen scavenger; wherein the surface 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 and iron (ID-comprising oxides, iron (II, III)-comprising oxides and mixtures thereof; and wherein the total weight of the surface treatment agent on the total surface area of the at least one calcium carbonate-comprising material and/or magnesium carbonate-comprising material is from 0.01 to 40 mg/m2, based on the at least one calcium carbonate-comprising material and/or magnesium carbonate-comprising material.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: November 2, 2021
    Assignee: Omya International AG
    Inventors: Samuel Rentsch, Matthias Welker, Patrick A. C. Gane
  • Patent number: 11155965
    Abstract: The present invention concerns a process for the preparation of flocculated filler particles, wherein at least two aqueous suspensions of at least one filler material and at least one flocculating additive are combined.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: October 26, 2021
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Michel Schenker, Matthias Buri, Lars Andersson, Daniel Gantenbein, Patrick A. C. Gane
  • Patent number: 11155697
    Abstract: A process for the production of composite materials comprising nano-fibrillar cellulose gels, by providing cellulose fibres and at least one filler and/or pigment, combining the cellulose fibres and the at least one filler and/or pigment, fibrillating the cellulose fibres in the presence of the at least one filler and/or pigment until a gel is formed, subsequently providing at least one further filler and/or pigment and combining the gel with the at least one further filler and/or pigment.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: October 26, 2021
    Assignee: FiberLean Technologies Limited
    Inventors: Patrick A. C. Gane, Michel Schenker, Ramjee Subramanian, Joachim Schölkopf
  • Publication number: 20210324584
    Abstract: The present invention relates to a method of tagging a substrate with a covert, spectroscopically detectable security feature, wherein a liquid treatment composition comprising at least one acid is deposited onto a substrate, which comprises at least one external surface comprising a salifiable alkaline or alkaline earth compound.
    Type: Application
    Filed: May 5, 2021
    Publication date: October 21, 2021
    Applicant: Omya International AG
    Inventors: Roger Bollström, Philipp Hunziker, Patrick A.C. Gane