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: 11111388
    Abstract: The present invention is directed to a process for producing precipitated calcium carbonate with improved resistance to structural breakdown, wherein the milk of lime is carbonated in the presence of at least one gas other than carbon dioxide, or the carbonation is carried out in the presence of a static gas bubble comminution unit as well as to precipitated calcium carbonate obtained by such a process.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: September 7, 2021
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Holger Spiegel, Wolfgang Kreuger, Mathieu Skrzypczak, Joe Wenk, Michael Dalton, Aaro Salonen, Marc Maurer, Patrick A. C. Gane, Catherine Jean Ridgway
  • Publication number: 20210261781
    Abstract: The present invention relates to a process for the production of naso-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; and fibrillating the cellulose fibres in the presence of the at least one filler and/or pigment until a gel is formed, as well as the nano-fibrillar cellulose gel obtained by this process and uses thereof.
    Type: Application
    Filed: March 5, 2021
    Publication date: August 26, 2021
    Applicant: FiberLean Technologies Limited
    Inventors: Patrick A.C. Gane, Joachim Schoelkopf, Daniel Gantenbein, Michel Schenker
  • Publication number: 20210262164
    Abstract: The present invention relates to a process for the production of suspensions of nano-fibrillar cellulose 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; and fibrillating the cellulose fibres in the presence of at least one filler and/or pigment, as well as the suspensions of nano-fibrillar cellulose obtained by this process and their uses.
    Type: Application
    Filed: March 5, 2021
    Publication date: August 26, 2021
    Applicant: FiberLean Technologies Limited
    Inventors: Patrick A.C. Gane, Joachim Schoelkopf, Daniel Gantenbein, Michel Schenker, Michael Pohl, Beat Kübler
  • Patent number: 11041074
    Abstract: The present invention relates to a method for the production of granules comprising surface-reacted calcium carbonate, as well as to the granules obtained thereby and their use.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: June 22, 2021
    Assignee: Omya International AG
    Inventors: Carolina Diaz Quijano, Daniel E. Gerard, Joachim Schoelkopf, Patrick A. C. Gane
  • Patent number: 11021374
    Abstract: The present invention is directed to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a milk of lime is prepared by mixing water, a calcium oxide containing material, and a precipitation enhancer, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 1, 2021
    Assignee: Omya International AG
    Inventors: Daniel E. Gerard, Patrick A. C. Gane
  • Patent number: 10982387
    Abstract: The present invention relates to a process for the production of suspensions of nano-fibrillar cellulose 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; and fibrillating the cellulose fibres in the presence of at least one filler and/or pigment, as well as the suspensions of nano-fibrillar cellulose obtained by this process and their uses.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: April 20, 2021
    Assignee: FiberLean Technologies Limited
    Inventors: Patrick A. C. Gane, Joachim Schoelkopf, Daniel Gantenbein, Michel Schenker, Michael Pohl, Beat Kübler
  • Patent number: 10975242
    Abstract: The present invention relates to a process for the production of 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; and fibrillating the cellulose fibres in the presence of the at least one filler and/or pigment until a gel is formed, as well as the nano-fibrillar cellulose gel obtained by this process and uses thereof.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: April 13, 2021
    Assignee: FiberLean Technologies Limited
    Inventors: Patrick A. C. Gane, Joachim Schoelkopf, Daniel Gantenbein, Michel Schenker
  • Patent number: 10974530
    Abstract: A method of manufacturing a water-insoluble pattern on and/or within a substrate is described. Also described, is a substrate obtained by such a method, a product including such a substrate and the use of the substrate in different applications.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: April 13, 2021
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Roger Bollström, Patrick A. C. Gane
  • Patent number: 10961397
    Abstract: A process for the preparation of a mineral filler product is disclosed, the process comprising a step of dry grinding a calcium carbonate-comprising material in a mixture obtained by contacting the calcium carbonate-comprising material with at least one polydimethylsiloxane as grinding agent.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: March 30, 2021
    Assignee: Omya International AG
    Inventors: Samuel Rentsch, René Vinzenz Blum, Patrick A. C. Gane
  • Publication number: 20210079196
    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: Application
    Filed: April 29, 2020
    Publication date: March 18, 2021
    Inventors: Samuel RENTSCH, Matthias BURI, René Vinzenz BLUM, Martin BRUNNER, Patrick A. C. GANE
  • Patent number: 10875014
    Abstract: The present invention relates to a catalyst system comprising a transition metal compound on a solid carrier which is a surface-reacted calcium carbonate. The invention further relates to a method for manufacturing said catalyst system and to its use in heterogeneous catalysis.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: December 29, 2020
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Samuel Rentsch, Matthias Welker
  • Patent number: 10876004
    Abstract: The present invention relates to a process for producing surface-reacted calcium carbonate, wherein a calcium carbonate-comprising material is treated with phosphoric acid, carbon dioxide, and specific dicarboxylic acids, in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate. Furthermore, the present invention relates to surface-reacted calcium carbonate obtained by said process and its use.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: December 29, 2020
    Assignee: Omya International AG
    Inventors: Daniel E. Gerard, Patrick A. C. Gane, Joachim Schoelkopf
  • Patent number: 10836646
    Abstract: The present invention relates to a process to modify at least part of the surface of an earth alkaline metal carbonate-containing material in a dry blending process as well as to a mineral product obtainable by the inventive process and uses thereof.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: November 17, 2020
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane, René Vinzenz Blum
  • Publication number: 20200337312
    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: Application
    Filed: July 8, 2020
    Publication date: October 29, 2020
    Applicant: Omya International AG
    Inventors: Anita ZUMSTEG, Joachim GLAUBITZ, Simon URWYLER, Matthias BURI, Patrick A.C. GANE
  • Publication number: 20200291235
    Abstract: A process is described for the surface-treatment of a surface-reacted calcium carbonate. Also described, is a surface-treated surface-reacted calcium carbonate obtainable by the process, as well a composition including the surface-treated surface-reacted calcium carbonate . Methods of using at least one surface-reacted calcium carbonate for immobilizing at least one water soluble metal salt, water soluble metal hydroxide, water soluble metal oxide or mixtures thereof on the surface of the at least one surface-reacted calcium carbonate are also described. In addition, methods of using a surface-treated surface-reacted calcium carbonate as a preservative, for the control of odor and/or for enhancing and/or mediating antimicrobial activity of a substrate and an article including the surface-treated surface-reacted calcium carbonate are described.
    Type: Application
    Filed: July 20, 2017
    Publication date: September 17, 2020
    Inventors: Samuel RENTSCH, Matthias WELKER, Simon URWYLER, Joachim GLAUBITZ, Martina Elisabeth KNUPFER, Patrick A. C. GANE
  • Publication number: 20200288719
    Abstract: A composition is described that includes an aquatic pesticide and a surface-reacted calcium carbonate, wherein the aquatic pesticide includes rotenone, and 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. In embodiments, the carbon dioxide is formed in situ by the H3O+ ion donor treatment and/or is supplied from an external source.
    Type: Application
    Filed: December 23, 2016
    Publication date: September 17, 2020
    Inventors: Daniel GANTENBEIN, Carolina DIAZ QUIJANO, Joachim SCHOELKOPF, Patrick A. C. GANE
  • Patent number: 10760216
    Abstract: The invention relates to a process for preparing self-binding pigment particle suspensions, to a self-binding pigment particle suspension as well as to a paper product comprising self-binding pigment particles and to the use of the self-binding pigment particle suspension in paper applications, such as in paper coating or as filler material.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: September 1, 2020
    Assignee: Omya International AG
    Inventors: Armelle Senti-Wenk, Patrick A. C. Gane, Joachim Schoelkopf
  • Publication number: 20200270462
    Abstract: The present invention is directed to a process for producing precipitated calcium carbonate with improved resistance to structural breakdown, wherein the milk of lime is carbonated in the presence of at least one gas other than carbon dioxide, or the carbonation is carried out in the presence of a static gas bubble comminution unit as well as to precipitated calcium carbonate obtained by such a process.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 27, 2020
    Applicant: Omya International AG
    Inventors: Holger Spiegel, Wolfgang Kreuger, Mathieu Skrzypczak, Joe Wenk, Michael Dalton, Aaro Salonen, Marc Maurer, Patrick A.C. Gane, Catherine Jean Ridgway
  • Patent number: 10743541
    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: April 8, 2015
    Date of Patent: August 18, 2020
    Assignee: Omya International AG
    Inventors: Anita Zumsteg, Joachim Glaubitz, Simon Urwyler, Matthias Buri, Patrick A. C. Gane
  • Publication number: 20200255675
    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: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Applicant: Omya International AG
    Inventors: Patrick A.C. GANE, Steffen OHR, Catherine Jean RIDGWAY, Philipp HUNZIKER