Patents Assigned to Imertech SAS
  • Patent number: 11225593
    Abstract: The present invention relates to sintered platelet-like randomly shaped abrasive particles based on alpha alumina having a hardness HV of at least 20 GPa and a crystal structure with an average crystal size between 100 nm and 300 nm, whereby the abrasive particles comprise a body having a first surface and a second surface opposite to the first surface, both surfaces are separated from each other by a randomly shaped sidewall having a thickness (T) between 20 ?m and 500 ?m.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: January 18, 2022
    Assignee: ImerTech SAS
    Inventors: Jean-Andre Alary, Florent Polge
  • Patent number: 11208354
    Abstract: The present invention relates to a zirconia mullite refractory composite comprising 55 wt.-% to 65 wt.-% Al2O3, 15 wt.-% to 25 wt.-% SiO2, 15 wt.-% to 25 wt.-% ZrO2 and less than 3 wt.-% raw material based impurities, whereby the mineralogical composition of the composite comprises 65 wt.-% to 85 wt.-% mullite and 15 wt.-% to 35 wt.-% zirconia.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: December 28, 2021
    Assignee: ImerTech SAS
    Inventors: Marie-Laure Bouchetou, Olivier Joubert, Jacques Poirier, Michael Weissenbacher
  • Patent number: 11130711
    Abstract: The present invention relates to a dry refractory particulate composition comprising a zeolithic microstructure, to a green body and to a refractory lining formed therefrom, and to uses thereof.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: September 28, 2021
    Assignee: ImerTech SAS
    Inventors: Pierre Meunier, Nicolas Duvauchelle, Serge Martin-Calle, Jérome Soudier, Romain Techer
  • Patent number: 11072022
    Abstract: The present invention relates to investment casting moulds comprising a furnace dust, wherein said furnace dust comprises ZrO2 and/or Al2O3. The present invention also relates to investment casting moulds comprising a metal oxide dust comprising ZrO2 and one or more materials selected from alumina, silica and aluminosilicate, and wherein said metal oxide dust has a d50 of 10 ?m or less. The invention also relates to compositions for the production of investment casting moulds, the use of dusts in the formation of investment casting moulds, and the use of investment casting moulds of the invention.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: July 27, 2021
    Assignee: ImerTech SAS
    Inventors: Thomas Krumrei, Scot Graddick, Danilo Frulli, Joachim Wolff
  • Patent number: 11067204
    Abstract: Polymer compositions comprising at least two polyethylene polymers, for example, recycled polymer compositions, methods for the production thereof, the use of functional fillers in said compositions, and articles formed from the polymer compositions. Pipe having at least one wall, the pipe having a nominal inside diameter of at least about 400 mm and a SN of at least about 4, and wherein the at least one wall comprises at least about 25% by weight of recycled polymer, based on the total weight of the at least one wall.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: July 20, 2021
    Assignee: ImerTech SAS
    Inventors: Jean-Benoit Papillon, John Slater, Fatima Rebih
  • Patent number: 11059962
    Abstract: Compatibilizer for a polymer blend, use of the compatabilizer in a polymer, a polymer blend comprising the compatabilizer, an article formed from the polymer blend, and methods for making the compatabilizer, polymer blend and article.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: July 13, 2021
    Assignee: ImerTech SAS
    Inventor: Fatima Rebih
  • Patent number: 10975228
    Abstract: Use of a filled polymer resin in the manufacture of an article therefrom by injection moulding, a method of manufacturing an article by injection moulding a filled polymer resin, a method for enabling or improving the injection mouldability of a polymer resin comprising recycled polymer, wherein the polymer resin comprises recycled polymer and functional filler, the use of a functional filler in a polymer resin comprising recycled polymer to improve the injection mouldability of the polymer resin, an article of manufacture obtained by injection moulding a filled polymer resin, and a filled polymer resin.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: April 13, 2021
    Assignee: IMERTECH SAS
    Inventors: George Birks Herring, Daniel Gene Moldovan, Fatima Rebih
  • Patent number: 10913854
    Abstract: A composition comprising a thermoplastic polymer, cellulosic material and a functional filler, a composite formed therefrom, a masterbatch from which the composition may be formed, a method of making the composition and composite, and uses of the functional filler in a composition comprising thermoplastic polymer and cellulosic material.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: February 9, 2021
    Assignee: ImerTech SAS
    Inventors: John Slater, George Herring
  • Patent number: 10899665
    Abstract: A construction material, a hydrophobic, optionally multi-cellular, inorganic particulate material for use in the construction material, for example, to improve the crush strength and/or stability of the construction material, a method of making the construction material, constructions comprising the construction material, and a method of improving the stability of a construction material.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: January 26, 2021
    Assignee: ImerTech SAS
    Inventors: Emmanuel Bertin, Christel Careme, Erik Van Dijinen, Anabelle Huguette Reneé Legrix, Lesley Jane Trewolla, Neil Treat, Jarrod Hart, Scott Glover
  • Patent number: 10870761
    Abstract: The present disclosure relates to novel carbon black materials characterized by a good retention of their structure in the compressed state, as shown, e.g., by a relatively high ratio of compressed OAN/OAN. The materials may inter alia be characterized by a low viscosity in dispersions and by exhibiting low electrical resistivity. Such materials can be advantageously used in various applications, for example in the manufacture of electrochemical cells such as lithium ion batteries or as conductive additive in polymer composite materials. The disclosure also describes a procedure for making such a material as well as well as downstream uses and products comprising said carbon black material.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: December 22, 2020
    Assignee: ImerTech SAS
    Inventors: Michael E. Spahr, Simone Zürcher, Marlene Rodlert-Bacilieri, Flavio Mornaghini, Thomas M. Gruenberger
  • Patent number: 10781107
    Abstract: Stable mineral slurries and methods of making stable mineral slurries.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: September 22, 2020
    Assignee: IMERTECH SAS
    Inventors: Lieven Verstuyft, Helen Dollani
  • Patent number: 10736324
    Abstract: Compositions comprising an inorganic particulate mineral and an antimicrobial metal, methods of making said compositions, use of said compositions in a coating composition or in a polymeric article, use of said compositions to inhibit the growth of one or more microbes and use of said compositions to eliminate one or more microbes, for example from a liquid.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: August 11, 2020
    Assignee: ImerTech SAS
    Inventor: Desmond Charles Payton
  • Patent number: 10683613
    Abstract: Compositions suitable for use in the bleaching of pulps may include one or more particulate alkaline earth metal oxides or alkaline earth metal hydroxides or mixtures thereof, and one or more pitch control additives. The compositions may be suitable for use in a pulp preparation or a papermaking process. A method for the bleaching of pulps may include providing the composition.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: June 16, 2020
    Assignee: ImerTech SAS
    Inventor: Mikko Likitalo
  • Patent number: 10637058
    Abstract: The present disclosure relates to a novel process for preparing isotropic carbonaceous composite particles with favorable crystallographic, morphological & mechanical properties, wherein relatively fine carbonaceous primary particles are coated with a carbonaceous binder precursor material, agglomerated and finally heat-treated at temperatures of between about 1850 and 3500° C. to convert the binder precursor material to non-graphitic or graphitic carbon, thereby resulting in stable highly isotropic carbonaceous composite materials wherein the primary particles of the aggregate are held together by the carbonized/graphitized binder. The present disclosure also relates to the isotropic carbonaceous composite particles obtainable by the process described herein.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: April 28, 2020
    Assignee: ImerTech SAS
    Inventors: Michael Spahr, Pirmin Ulmann, Simone Zürcher, Sergio Pacheco Benito, Hiroyuki Taki
  • Patent number: 10590276
    Abstract: An aqueous suspension comprising an inorganic particulate material and dimethylethanolamine, use of dimethylethanolamine to prevent pH decrease or reduce the rate of pH decrease of an aqueous suspension comprising an inorganic particulate material over time, use of dimethylethanolamine as an anti-microbial additive in an aqueous suspension comprising an inorganic particulate material, and a method of preparing an aqueous suspension comprising inorganic particulate material.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: March 17, 2020
    Assignee: ImerTech SAS
    Inventors: Desmond Charles Payton, Stuart Thomas
  • Patent number: 10583071
    Abstract: A personal care composition comprising a cosmetically acceptable base and inorganic particulate material, for example, a shower gel or hair shampoo, and a method of making the personal care composition. A cleaning composition comprising a base and inorganic particulate material, for example, a hard surface cleansing composition, and a method of making the cleaning composition. A composition, for example, a personal care composition, use of an inorganic particulate material having a d50 of from about 0.1 ?m to about 200 ?m in such a composition, and a method for making such a composition.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 10, 2020
    Assignee: ImerTech SAS
    Inventors: Sam Jolliff, Anabelle Huguette Renee Legrix, Thierry Casteran
  • Patent number: 10495304
    Abstract: Refractory tile systems for covering an internal wall of a high temperature furnace or boiler are described. The systems may comprise a base tile having a front face and a back face, and a shielding tile having a front face and a back face. The back face of the base tile may comprise one or more attachment points for mounting the base tile to the internal wall using an anchoring system, wherein the shielding tile is equipped with a protrusion along a first side, extending from the back face of the shielding tile and adapted to stably arrange the shielding tile in a suspended position from the base tile when mounted to the internal wall, and an overhang along a second side opposite the first side and extending from the front side of the shielding tile, such that in a mounted position, the overhang partially covers an adjacent shielding tile.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: December 3, 2019
    Assignee: ImerTech SAS
    Inventor: Marinus Rien Boer
  • Patent number: 10494529
    Abstract: The present invention relates to a dry refractory paint precursor composition comprising, 5 to 55 wt.-% mineral filler, 20 to 45 wt.-% glass frit comprising SiO2, Na2O, B2O3 and/or Al2O3, and 0.1 to 25 wt.-% of a binder selected from waterglass, cement and mixtures thereof, all based on the total weight of the composition. The invention further relates to refractory paints comprising said compositions, and to methods for preparing said paints.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: December 3, 2019
    Assignee: ImerTech SAS
    Inventors: Vanessa Perron-Bailly, Jérome Soudier, Romain Techer
  • Patent number: 10472282
    Abstract: The present invention relates to dry particulate composition for forming a geopolymer, comprising an alkali metal hydroxide, an alkali metal silicate, and an aluminosilicate. The invention further relates to methods for forming geopolymers and geopolymers formed according to said methods or using the said dry particulate composition.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: November 12, 2019
    Assignee: ImerTech SAS
    Inventor: Alexandre Autef
  • Patent number: 10351764
    Abstract: The present invention relates to aqueous compositions for forming a foam, comprising a surfactant and a particulate inorganic material, and optionally one or more polymers, such as soil conditioning polymers, and/or viscosity increasing polymers. The present invention further relates to the use and application of said aqueous compositions.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: July 16, 2019
    Assignee: ImerTech SAS
    Inventors: Michael Greenhill-Hooper, Gilles Collard, Stephen Johan Neethling, Pablo Rafael Brito Parada