Patents Assigned to Imerys
  • Patent number: 9212083
    Abstract: A system and method for coating glass gobs with a liquid-based lubricating dispersion during their drop to blank glass container molds which provides sufficient lubrication to the glass container molds without requiring swabbing of the glass container molds. The lubricating dispersion is sprayed onto hot glass gobs as they fall from the gob supply system prior to their distribution by the gob distribution system into blank molds. The lubricating dispersion coats the falling glass gobs to lubricate the glass gobs as well as the molds.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: December 15, 2015
    Assignees: Emhart Glass S.A., Imerys Graphite & Carbon Switzerland SA
    Inventors: Leo Diehm, Thomas L. Sidler, Michal T. Judge, Braden A. McDermott, Robert D. Ginsberg
  • Patent number: 9204631
    Abstract: A process for making microcapsules comprising i) forming a solution of a cross-linker in a liquid; ii) forming a slurry of a surface-modified particulate inorganic material in an aqueous medium; and iii) dispersing the solution of step i) in the slurry of step ii) and causing or allowing the cross-linker to react with the surface-modified particulate inorganic material so as to form a cross-linked microcapsule wall.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: December 8, 2015
    Assignee: IMERYS MINERALS LIMITED
    Inventors: Patrick Joseph Mulqueen, Philip Taylor, David Ian Gittins
  • Patent number: 9196904
    Abstract: A non-exfoliated graphite powder comprises highly oriented grain aggregates (HOGA) having a new morphology and surface chemistry. Methods for the production of such graphite powders as well as products comprising such novel graphite particles is also disclosed.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: November 24, 2015
    Assignee: Imerys Graphite & Carbon Switzerland SA
    Inventors: Michael E. Spahr, Curzio Nessi, Salvatore Stallone, Eberhard Waldhör, Grivei Eusebiu, Nicolas Probst
  • Patent number: 9187612
    Abstract: The present disclosure relates to ground expanded graphite agglomerate compositions, methods for making such agglomerates, their use as conductive additive, and conductive composites including such ground expanded graphite agglomerates. The disclosure also pertains to methods for making such composites and the use of such composites in preparing thermally conductive materials. The agglomerates may be characterized by a certain softness allowing the agglomerates to dissolve, e.g., through shear forces applied during compounding, thereby leading to an improved feedability and a highly homogenous distribution of the expanded graphite material in the composite matrix.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: November 17, 2015
    Assignee: Imerys Graphite & Carbon Switzerland SA
    Inventors: Eusebiu Grivei, Fabio Rota, Jean-Christophe Rietsch, Simone Zuercher, Raffaele Gilardi, Michael Spahr
  • Patent number: 9175167
    Abstract: A process for producing a porous ceramic body comprises a) mixing a coated porogen with a silicate or a oxide ceramic precursor, wherein the porogen is decomposable to gaseous decomposition products and optionally solid products upon heating, and is coated with a coating agent; b) forming a green body from the mixture obtained in step (a); and c) firing the green body obtained in step (b) to obtain the ceramic body, whereby the porogen decomposes to form pores within the ceramic body and the coating agent is deposited at the inner surface of the pores. The porogen is coated with a coating agent which, upon firing, is deposited at the inner surface of the ceramic pores, so that porous ceramics having decreased weight and improved porosity are obtained, while maintaining at the same time good mechanical strength. A green body and a porous ceramic body obtainable with the above-mentioned process are described too.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: November 3, 2015
    Assignee: IMERYS CERAMICS FRANCE
    Inventor: Axel Mueller-Zell
  • Patent number: 9127405
    Abstract: A method for preparing an aqueous suspension comprising microfibrillated cellulose and inorganic particulate material, the method comprising a step of microfibrillating a fibrous substrate comprising cellulose in an aqueous environment in the presence of an inorganic particulate material.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: September 8, 2015
    Assignee: Imerys Minerals, Limited
    Inventors: John Claude Husband, Per Svending, David Robert Skuse, Tafadzwa Motsi, Mikko Likitalo, Alan Coles
  • Patent number: 9102539
    Abstract: The disclosure relates to processes for the production and thermal treatment of carbon material, in particular, graphite powders, in an Acheson type oven, using a functional filler comprising graphitic material in particulate form allowing electrical current to flow through the charge. The particulate form of the filler allows greater flexibility and can be used to control the degree of direct and indirect heating, resulting in more uniform products. Such graphite materials may typically be employed as an additive in polymers, batteries, or other applications.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: August 11, 2015
    Assignee: Imerys Graphite & Carbon Switzerland SA
    Inventors: Fabio Rota, Edo Rossetti, Davide Cattaneo, Michael Spahr
  • Publication number: 20150064491
    Abstract: A paint composition includes microfibrillated cellulose, binder, and solvent. The microfibrillated cellulose may be present in an amount ranging from about 0.1% to about 10% by weight based on the total weight of the paint composition.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 5, 2015
    Applicant: IMERYS S.A.
    Inventors: Jonathan Phipps, Sophie Bourgoin, Annabelle Huguette Renee Legrix, Gemma Vinnicombe
  • Patent number: 8936850
    Abstract: Foam glass may include natural glass, wherein the foam glass includes greater than 5% alumina by weight of the foam glass and has a coefficient of thermal expansion ranging between 4×10?6 ppm/° C. and 6×10?6 ppm/° C. A composition for making foam glass may include natural glass including at least 5% alumina by weight of the composition, soda ash including less than 10% by weight of the composition, and boric acid including at least 5% by weight of the composition. A method for making foam glass may include mixing natural glass with boron to form a mixture, milling the mixture, melting the mixture at a temperature of at least 900° C., and allowing the melted mixture to cool, such that the foam glass includes at least 5% alumina by weight of the foam glass and at least 5% boron oxide by weight of the foam glass.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: January 20, 2015
    Assignee: Imerys Filtration Minerals, Inc.
    Inventor: Bo Wang
  • Publication number: 20150008369
    Abstract: A heterogeneous composition for use as rock dust is disclosed. The heterogeneous composition includes a fine, wet ground inorganic particulate material treated with at least one fatty acid, a salt thereof, or an ester thereof, and a coarse, untreated, dry ground inorganic particulate material. Also disclosed is a heterogeneous composition including coal dust and mine rock dust including a fine, wet ground inorganic particulate material treated with at least one fatty acid, a salt thereof, or an ester thereof, and a coarse, untreated, dry ground inorganic particulate material. The amount of mine rock dust may be sufficient to render the coal dust explosively inert. The fine, treated, wet ground inorganic particulate material may be calcium carbonate. The coarse, untreated inorganic particulate material may be calcium carbonate. The fatty acid may be stearic acid.
    Type: Application
    Filed: May 19, 2014
    Publication date: January 8, 2015
    Applicant: Imerys Pigments, Inc.
    Inventors: David ANSTINE, Dickey SHURLING, JR.
  • Publication number: 20140370273
    Abstract: A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate, wherein less than about 90% by weight and greater than about 60% by weight of particles of the calcium carbonate have an equivalent spherical diameter (esd) less than 2 microns. The coating composition may include a thickener present in an amount ranging from about 0.1% to about 0.9% by active dry weight of the composition. A coating composition may include kaolin having a shape factor less than about 70 and calcium carbonate having a mean particle size (d50) of at least about 2.4 microns and a steepness factor of at least about 30. The coating composition may be a paper basecoat composition or a paperboard basecoat composition. A paper or paperboard product may include the coating composition on at least one surface of the paper product or paperboard product.
    Type: Application
    Filed: October 10, 2013
    Publication date: December 18, 2014
    Applicant: Imerys Pigments, Inc.
    Inventors: Anthony Lyons, Chinmay Peshave
  • Publication number: 20140343172
    Abstract: A barrier coating composition may include an alcohol-based binder and an inorganic particulate. The barrier coating composition may be used in various ways, including in paper products including the barrier composition, methods of preparing the paper products, articles, particularly food grade packaging formed from the paper products, and packaged products, particularly packaged foodstuffs including the packaging.
    Type: Application
    Filed: July 27, 2012
    Publication date: November 20, 2014
    Applicant: IMERYS MINERALS LIMITED
    Inventors: Janet Preston, Graham O'Neill, Jonathan Phipps
  • Patent number: 8888883
    Abstract: A ceramic honeycomb structure suitable for particulate filters, having an inlet face and an outlet face, comprising a plurality of inlet cells and a plurality of outlet cells extending through the structure from the inlet face to the outlet face, the inlet cells being open at the inlet face and closed where adjoining the outlet face, and the outlet cells being open at the outlet face and closed where adjoining the inlet face. The inlet and/or outlet cells are quadrangular in cross-section and are arranged in an alternating pattern; the outlet cells may have a cross-sectional area generally smaller than that of inlet cells and no point of a given inlet cell is closer to an adjacent inlet cell than to an adjacent outlet cell. A process for preparing the ceramic honeycomb structure is also disclosed.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: November 18, 2014
    Assignee: Imerys
    Inventors: Thierry Salmona, Carl De Poncins
  • Publication number: 20140305643
    Abstract: A granulated mica composition may include mica having an average particle size less than about 20 mesh, and 0.01% to about 1.0% of a water soluble binder. The granulated mica composition may have a granule size greater than about 20 mesh. A process for producing a granulated inorganic particulate composition for use in oilfield applications may include mixing at least one inorganic particulate having an average particle size of less than about 20 mesh with water and at least one binder, and agglomerating the resulting mixture to form a granulated inorganic particulate having an average particle size of greater than about 20 mesh. A method for treating a subterranean formation may include admixing a granulated inorganic particle composition into a fluid, such that the inorganic particulate is dispersed into the fluid as a suspended inorganic particulate, and injecting the fluid and suspended inorganic particulate into the subterranean formation.
    Type: Application
    Filed: November 28, 2012
    Publication date: October 16, 2014
    Applicant: Imerys Oilfield Minerals, Inc.
    Inventors: Mark Windebank, Jonathan Phipps, Thomas Parias, Roger Williams, David Guetta
  • Publication number: 20140295185
    Abstract: Disclosed herein are monofilament fibers comprising at least one polymeric resin and at least one coated filler, wherein the at least one coated filler has an average particle size of less than or equal to about 3 microns and/or has a top cut of less than or equal to about 10 microns, and wherein the at least one coated filler is present in an amount of less than or equal to about 50% by weight, relative to the total weight of the monofilament fibers. Also disclosed herein are methods for producing monofilament fibers comprising adding ground calcium carbonate to at least one polymeric resin and extruding the resulting mixture.
    Type: Application
    Filed: February 28, 2014
    Publication date: October 2, 2014
    Applicant: Imerys Pigments, Inc.
    Inventor: LARRY McAMISH
  • Patent number: 8840761
    Abstract: The present invention relates to a process for controlling deposits in a paper making process, more particularly to a process comprising the use of talc for controlling deposits in a paper making process with talc. One aspect of the invention is contacting talc with a white water stream at one or more locations within the paper making process after separating pulp from a pulp-containing stream and before introducing the re-circulating the white water stream to one or more of a pulper, a thick-stock, a thin-stock, a dilution process, a shower, a storage vessel, a blending process, and a digestor.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: September 23, 2014
    Assignee: Imerys Talc America, Inc.
    Inventor: Daniel Mark Woiceshyn
  • Patent number: 8783589
    Abstract: A method of grinding a particulate material, comprising grinding said material in a stirred mill in the presence of a grinding media comprising rod-shaped particles, wherein said rod-shaped particles have an aspect ratio of equal to or greater than about 2:1.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: July 22, 2014
    Assignee: Imerys
    Inventors: Jarrod Hart, Thomas Parias, David Robert Skuse, Richard Tamblyn, Mark Windebank, Jean-André Alary
  • Publication number: 20140154445
    Abstract: Described herein are polymer compositions, for example, recycled polymer compositions, processes for the production thereof, functional fillers for use in the polymer compositions, and articles formed from the polymer compositions.
    Type: Application
    Filed: June 19, 2012
    Publication date: June 5, 2014
    Applicant: IMERYS MINERALS LIMITED
    Inventor: John Slater
  • Publication number: 20140148553
    Abstract: Described herein is a reduced allergenicity natural latex rubber for use in such products as latex gloves and similar medical and consumer goods, and to methods of production and use thereof. In one aspect, a rubber composition may include a natural latex and a functionalized mineral filler. In another aspect, the mineral filler may include, for example, a diatomite.
    Type: Application
    Filed: November 17, 2011
    Publication date: May 29, 2014
    Applicant: IMERYS FILTRATION MINERALS, INC.
    Inventors: Daniel J. Moncino, Michael Greene, Nigel Julian Keith Danvers, Qingchun Hu
  • Patent number: 8728573
    Abstract: Particulate mineral materials comprising at least one coating comprising at least one metal compound are disclosed. In one embodiment, the at least one metal compound is a metal silicate compound. In another embodiment, the at least one metal compound is a metal oxide compound. In one embodiment, the particulate mineral material is perlite. In another embodiment, the particulate mineral material is perlite microspheres. In a further embodiment, the particulate mineral material is diatomite. Methods of making particulate mineral materials coated with at least one metal compound are also disclosed. In one embodiment, the at least one metal compound may be injected into a perlite expander to form a metal compound coated perlite material. In another embodiment, the at least one metal compound may be applied through a low temperature coating process to the at least one particulate mineral material. Uses for metal compound coated particulate mineral materials are also disclosed.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: May 20, 2014
    Assignee: Imerys Filtration Minerals, Inc.
    Inventors: Bo Wang, Michael Greene