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: 10029276
    Abstract: The present invention concerns a print medium for inkjet printing and a method of producing such a print medium. In particular, the present invention is directed to a print medium comprising a base layer having a first side and a reverse side, an absorptive layer being in contact with the first side of the base layer, and a topcoat being in contact with the absorptive layer.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: July 24, 2018
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Vesa Kukkamo, Catherine Jean Ridgway
  • Patent number: 10011732
    Abstract: The present invention consists of a process of preparation of at least one mineral matter and/or of at least one pigment, including a calcium carbonate made at once partially organophilic and partially hydrophilic, in which the carbonate is blended and/or ground and/or concentrated in an aqueous medium, in the presence of at least one salt of ethylene acrylic acid, one dispersing agent and/or one grinding aid agent, which is introduced before and/or during this treatment stage. Another object of the invention lies in the aqueous dispersions and suspensions of calcium carbonate thus obtained. They may be dried and the dry pigments obtained also constitute an object of the invention. Use of these aqueous dispersions and these dry pigments in the field of plastic, paints and paper constitutes another object of the invention.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: July 3, 2018
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, Philipp Hunziker, René Burkhalter, Beat Karth
  • Patent number: 10011731
    Abstract: The present invention consists of a process of preparation of at least one mineral matter and/or of at least one pigment, including a calcium carbonate made at once partially organophilic and partially hydrophilic, in which the carbonate is blended and/or ground and/or concentrated in an aqueous medium, in the presence of at least one salt of ethylene acrylic acid, one dispersing agent and/or one grinding aid agent, which is introduced before and/or during this treatment stage. Another object of the invention lies in the aqueous dispersions and suspensions of calcium carbonate thus obtained. They may be dried and the dry pigments obtained also constitute an object of the invention. Use of these aqueous dispersions and these dry pigments in the field of plastic, paints and paper constitutes another object of the invention.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: July 3, 2018
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, Philipp Hunziker, René Burkhalter, Beat Karth
  • Patent number: 9993428
    Abstract: An instantly floating gastroretentive drug formulation comprising at least one functionalized natural and/or synthetic calcium carbonate-comprising mineral and at least one pharmaceutically active ingredient and at least one formulating aid wherein said functionalized natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: June 12, 2018
    Assignee: Omya International AG
    Inventors: Daniel E. Gerard, Joachim Schoelkopf, Patrick A. C. Gane, Veronika Anna Eberle, Rainer Alles, Maxim Puchkov, Jörg Huwyler
  • Patent number: 9988764
    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 as filler material.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: June 5, 2018
    Assignee: Omya International AG
    Inventors: Daniel Gantenbein, Joachim Schoelkopf, Patrick A. C. Gane
  • Patent number: 9969888
    Abstract: The invention relates to a process for manufacturing aqueous mineral material suspensions or dried mineral materials using at least one lithium ion neutralized water-soluble organic polymer, the ground mineral materials obtained by this process, the use of the mineral materials in paper, paints and plastics, as well as the use of the lithium ion neutralized water-soluble organic polymer in the manufacturing process as a dispersing and/or grinding enhancer.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: May 15, 2018
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Matthias Buri, Beat Karth, Samuel Rentsch
  • Patent number: 9951228
    Abstract: The present invention relates to a process for the production of a mineral filler product comprising a step of dry grinding a calcium carbonate-containing material in the presence of an agent being a polyol. The mineral filler product according to the present invention was found to have a reduced moisture pickup as compared to prior art products.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: April 24, 2018
    Assignee: Omya International AG
    Inventors: Samuel Rentsch, Fabio Ippolito, Matthias Welker, Patrick A. C. Gane
  • Patent number: 9944798
    Abstract: The present invention relates to composites, comprising inorganic and/or organic pigments and/or fillers in the form of microparticles, the surface of which is coated at least partially with finely divided nano-dolomite with the help of binders based on copolymers comprising as monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines, a method for producing such composites, aqueous slurries thereof, their use, and the use of the inventive binders for coating the microparticles with nano-dolomite.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: April 17, 2018
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, René Vinzenz Blum
  • Patent number: 9944815
    Abstract: The present invention consists of a process of preparation of at least one mineral matter and/or of at least one pigment, including a calcium carbonate made at once partially organophilic and partially hydrophilic, in which the carbonate is blended and/or ground and/or concentrated in an aqueous medium, in the presence of at least one salt of ethylene acrylic acid, one dispersing agent and/or one grinding aid agent, which is introduced before and/or during this treatment stage. Another object of the invention lies in the aqueous dispersions and suspensions of calcium carbonate thus obtained. They may be dried and the dry pigments obtained also constitute an object of the invention. Use of these aqueous dispersions and these dry pigments in the field of plastic, paints and paper constitutes another object of the invention.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: April 17, 2018
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, Philipp Hunziker, René Burkhalter, Beat Karth
  • Patent number: 9896567
    Abstract: The invention relates to a process for manufacturing calcium carbonate materials having a particle surface with improved adsorption properties of dispersant, using at least one lithium ion-containing compound, the calcium carbonate material obtained by this process, the use of the calcium carbonate materials in paper, paints and plastics, as well as the use of the lithium ion-containing compounds in the manufacturing process.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: February 20, 2018
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Matthias Buri, Beat Karth, Claudia Pudack
  • Patent number: 9896580
    Abstract: The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: February 20, 2018
    Assignee: Omya International AG
    Inventors: Daniel Gantenbein, Joachim Schoelkopf, Patrick A. C. Gane
  • Patent number: 9879139
    Abstract: The invention relates to a process for manufacturing calcium carbonate materials having a particle surface with improved adsorption properties of dispersant, using at least one lithium ion-containing compound, the calcium carbonate material obtained by this process, the use of the calcium carbonate materials in paper, paints and plastics, as well as the use of the lithium ion-containing compounds in the manufacturing process.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: January 30, 2018
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Matthias Buri, Beat Karth, Claudia Pudack
  • Patent number: 9840624
    Abstract: The present invention relates to an aqueous slurry comprising natural ground calcium carbonate which has a percentage P5 by weight of particles having a diameter of less than 5.0 ?m of from 98.5% to 90%, a percentage P2 by weight of particles having a diameter of less than 2.0 ?m of from 96% to 80%, wherein the ratio of P2/P5 is from 0.98 to 0.85, and wherein the slurry has a solids content of more than 78 wt %.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: December 12, 2017
    Assignee: Omya International AG
    Inventors: Guillermo Bluvol, Michael Kässberger, Patrick A. C. Gane
  • Patent number: 9783682
    Abstract: The present invention relates to an earth alkali carbonate-containing filler material having a volatile onset temperature of ?350° C., which is at least partially surface modified by using at least one polyhydrogensiloxane for increasing the hydrophobicity and/or decreasing the moisture pick up, a process for preparing such a surface modified earth alkali carbonate-containing filler material, a fibre and/or filament and/or film and/or thread and/or breathable film comprising the surface modified earth alkali carbonate-containing filler material as well as an article comprising the surface modified earth alkali carbonate-containing filler material and/or the fibre and/or filament and/or film and/or thread and/or breathable film, preferably its use in polyester products.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: October 10, 2017
    Assignee: Omya International AG
    Inventors: Samuel Rentsch, Fabio Ippolito, Patrick A. C. Gane
  • Patent number: 9757314
    Abstract: The present invention relates to carriers for the controlled release of active agents, comprising surface reacted natural or synthetic calcium carbonate, one or more active agents, wherein said one or more active agent is associated with said surface-reacted calcium carbonate, and wherein said surface-reacted natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source. It further relates to the preparation of loaded carriers, as well as their use in different applications.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: September 12, 2017
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Joachim Schoelkopf
  • Patent number: 9744107
    Abstract: The present invention relates to carriers for the controlled release of active agents, comprising surface reacted natural or synthetic calcium carbonate, one or more active agents, wherein said one or more active agent is associated with said surface-reacted calcium carbonate, and wherein said surface-reacted natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source. It further relates to the preparation of loaded carriers, as well as their use in different applications.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: August 29, 2017
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Joachim Schölkopf
  • Patent number: 9745212
    Abstract: The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: August 29, 2017
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Joachim Schölkopf, Daniel Gantenbein, Daniel E. Gerard
  • Patent number: 9725599
    Abstract: The present invention relates to surface-mineralized organic fibers comprising organic fibers having a length in the millimeter range, the surface of which is at least partially coated with finely divided alkaline earth carbonate nanoparticles by means of binders based on copolymers comprising as monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines and epichlorohydrin, a method for producing such surface-mineralized organic fibers, aqueous slurries thereof, their use in papermaking, in surface finishing of paper, plastic, cement and clay surfaces, in paints and varnishes and the use of the inventive binders for coating the organic fibers with nano alkaline earth carbonates.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: August 8, 2017
    Assignee: Omya International AG
    Inventors: Matthias Buri, René Vinzenz Blum, Patrick A. C. Gane
  • Patent number: 9724641
    Abstract: The present invention relates to a method for reducing the amount of CO2 in a carbon dioxide-containing source by using a regeneratable ion exchange material.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: August 8, 2017
    Assignee: Omya International AG
    Inventors: Michel Schenker, Patrick A. C. Gane, Joachim Schoelkopf, Daniel Gantenbein
  • Patent number: 9725600
    Abstract: The present invention relates to an aqueous calcium carbonate containing composition, to methods for producing such aqueous calcium carbonate containing compositions and to the use of the aqueous calcium carbonate containing composition in paper, paper coating, plastics and/or paint applications and as filler in paper.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: August 8, 2017
    Assignee: Omya International AG
    Inventors: Samuel Rentsch, Daniel E. Gerard, Matthias Buri, Patrick A. C. Gane, Vesa Kukkamo