Patents by Inventor Joachim Schoelkopf

Joachim Schoelkopf 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: 10351710
    Abstract: The present invention relates to a method for the production of granules comprising surface-reacted calcium carbonate by a) providing surface-reacted calcium carbonate, b) saturating the surface-reacted calcium carbonate with one or more liquids; c) providing one or more binder; d) combining the liquid saturated surface-reacted calcium carbonate with the one or more binder under agitation in an agitation device; e) removing the liquid from the mixture of step d); as well as to the granules comprising surface-reacted calcium carbonate obtained by this method.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: July 16, 2019
    Assignee: Omya International AG
    Inventors: Daniel E. Gerard, Joachim Schoelkopf, Patrick A. C. Gane
  • Publication number: 20190194469
    Abstract: The present invention relates to a process for the preparation of a surface-reacted precipitated calcium carbonate (PCC) pigment having an insoluble, at least partially crystalline calcium salt on its surface. In the process of the present invention, a PCC containing pigment is contacted with H3O+ ions and a solubilized anion in an aqueous medium in the presence of excess solubilized calcium ions to form the surface-reacted PCC having an insoluble, at least partially crystalline calcium salt of the anion formed on its surface.
    Type: Application
    Filed: February 28, 2019
    Publication date: June 27, 2019
    Inventors: Daniel E. Gerard, Patrick A.C. Gane, Joachim Schölkopf, Hans-Joachim Weitzel
  • Publication number: 20190183801
    Abstract: A method is described for producing a dosage form and granules including surface-reacted calcium carbonate. Also described, are tablets and/or capsules obtained by the method. Methods using such a surface-reacted calcium carbonate, and a dosage form comprising the granules are also described. Further, methods of using the granules, or the tablets and/or capsules, or the dosage form in a pharmaceutical product, a nutraceutical product, an agricultural product, a cosmetic product, a home product, a food product, a packaging product and a personal care product are also described. A pharmaceutical product, a nutraceutical product, an agricultural product, a cosmetic product, a home product, a food product, a packaging product and a personal care product including the granules, or the tablets and/or capsules, or the dosage form are also described.
    Type: Application
    Filed: June 14, 2017
    Publication date: June 20, 2019
    Inventors: Carolina DIAZ QUIJANO, Laura DE MIGUEL, Joachim SCHÖLKOPF
  • Patent number: 10322946
    Abstract: The present invention relates to a process for the reduction of pitch in an aqueous medium generated in a papermaking or pulping process, comprising the following steps: a) providing an aqueous medium comprising pitch generated in a papermaking or pulping process; b) providing a ground calcium carbonate and/or a precipitated calcium carbonate; c) providing a hydrophobizing agent selected from an aliphatic carboxylic acid having between 5 and 24 carbon atoms; d) contacting the ground calcium carbonate and/or the precipitated calcium carbonate of step b) with the hydrophobizing agent of step c) for obtaining a hydrophobized ground calcium carbonate and/or a hydrophobized precipitated calcium carbonate; and e) contacting the aqueous medium provided in step a) with the hydrophobized ground calcium carbonate and/or the hydrophobized precipitated calcium carbonate obtained in step d), to the use of a hydrophobized ground calcium carbonate and/or a hydrophobized ground calcium carbonate for reducing the amount of pi
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: June 18, 2019
    Assignee: Omya International AG
    Inventors: Daniel Gantenbein, Joachim Schoelkopf, Patrick A. C. Gane
  • Patent number: 10323356
    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 29, 2013
    Date of Patent: June 18, 2019
    Assignee: Omya International AG
    Inventors: Armelle Senti-Wenk, Patrick A. C. Gane, Joachim Schoelkopf
  • Patent number: 10301774
    Abstract: The present invention relates to a process for the production of suspensions of nano-fibrillar cellulose by providing cellulose fibers and at least one filler and/or pigment; combining the cellulose fibers and the at least one filler and/or pigment; and fibrillating the cellulose fibers 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: September 2, 2014
    Date of Patent: May 28, 2019
    Assignee: FiberLean Technologies Limited
    Inventors: Patrick A. C. Gane, Joachim Schoelkopf, Daniel Gantenbein, Michel Schenker, Michael Pohl, Beat Kübler
  • Patent number: 10292383
    Abstract: The present invention relates to the use of surface-reacted calcium carbonate-containing minerals and/or surface-reacted precipitated calcium carbonates as solid particulate carriers to enhance the efficacy of agrochemical compounds loaded onto of said carriers.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: May 21, 2019
    Assignee: Omya International AG
    Inventors: Michel Schenker, Domenico Zocco, Patrick A.C. Gane, Joachim Schoelkopf
  • Patent number: 10294371
    Abstract: The present invention relates to a process for the production of nano-fibrillar cellulose gels by providing cellulose fibers and at least one filler and/or pigment; combining the cellulose fibers and the at least one filler and/or pigment; and fibrillating the cellulose fibers 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: September 2, 2014
    Date of Patent: May 21, 2019
    Assignee: FiberLean Technologies Limited
    Inventors: Patrick A. C. Gane, Joachim Schoelkopf, Daniel Gantenbein, Michel Schenker
  • Patent number: 10280309
    Abstract: The present invention relates to a process for the preparation of a surface-reacted precipitated calcium carbonate (PCC) pigment having an insoluble, at least partially crystalline calcium salt on its surface. In the process of the present invention, a PCC containing pigment is contacted with H3O+ ions and a solubilized anion in an aqueous medium in the presence of excess solubilized calcium ions to form the surface-reacted PCC having an insoluble, at least partially crystalline calcium salt of the anion formed on its surface.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: May 7, 2019
    Assignee: Omya International AG
    Inventors: Daniel E. Gerard, Patrick A. C. Gane, Joachim Schölkopf, Hans-Joachim Weitzel
  • Publication number: 20190047890
    Abstract: The present invention relates to a process for increasing the solids content of aqueous sludges and/or sediments, to the use of a surface-treated mineral material for increasing the solids content of sludges and/or sediments, and to a composite material comprising a surface-treated mineral material and impurities obtainable by said process.
    Type: Application
    Filed: April 24, 2017
    Publication date: February 14, 2019
    Inventors: Martine Poffet, Pascal Jäggi, Daniel E. Gerard, Joachim Schoelkopf
  • Patent number: 10137066
    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: August 8, 2017
    Date of Patent: November 27, 2018
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Joachim Schoelkopf
  • Publication number: 20180333975
    Abstract: The present invention relates to a method of manufacturing a substrate with an embedded, UV-visible pattern, wherein a liquid treatment composition comprising at least one acid is deposited onto a substrate, which comprises at least one optical brightener and optionally a filler, wherein the filler comprises 0 to 60 wt.-% of a salifiable alkaline or alkaline earth compound, based on the total weight of the substrate.
    Type: Application
    Filed: November 11, 2016
    Publication date: November 22, 2018
    Inventors: Roger Bollström, Patrick A.C. Gane, Joachim Schoelkopf
  • Publication number: 20180327971
    Abstract: A process for manufacturing structured material 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 additional non-fibrillated fibres, and combining the gel with the additional non-fibrillated fibres.
    Type: Application
    Filed: July 20, 2018
    Publication date: November 15, 2018
    Applicant: FiberLean Technologies Limited
    Inventors: Patrick A.C. Gane, Michel Schenker, Ramjee Subramanian, Joachim Schoelkopf
  • Publication number: 20180327604
    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: Application
    Filed: December 1, 2016
    Publication date: November 15, 2018
    Inventors: Carolina Diaz Quijano, Daniel E. Gerard, Joachim Schoelkopf, Patrick A.C. Gane
  • Patent number: 10065872
    Abstract: The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a combination of a phyllosilicate and a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a combination of a phyllosilicate and a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising at least one surface-treated calcium carbonate, at least one phyllosilicate and impurities originated from different sources obtainable by said process.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: September 4, 2018
    Assignee: Omya International AG
    Inventors: Daniel Edward Gerard, Martine Poffet, Joachim Schoelkopf, Michael Skovby, Patrick Arthur Charles Gane
  • Patent number: 10053817
    Abstract: A process for manufacturing structured material by providing cellulose fibers and at least one filler and/or pigment, combining the cellulose fibers and the at least one filler and/or pigment, fibrillating the cellulose fibers in the presence of the at least one filler and/or pigment until a gel is formed, subsequently providing additional non-fibrillated fibers, and combining the gel with the additional non-fibrillated fibers.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: August 21, 2018
    Assignee: FiberLean Technologies Limited
    Inventors: Patrick A. C. Gane, Michel Schenker, Ramjee Subramanian, Joachim Schoelkopf
  • Patent number: 10045919
    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: July 11, 2017
    Date of Patent: August 14, 2018
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Joachim Schölkopf
  • Patent number: 10047482
    Abstract: The present invention is directed to a liquid coating composition comprising at least one terephthalate ionomer comprising anionic substituents selected from sulfonate, carboxylate and/or phosphate groups, wherein the at least one terephthalate ionomer has an acid value of at least 1 mg KOH/g ionomer, at least one calcium carbonate containing filler, and a buffer.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: August 14, 2018
    Assignee: Omya International AG
    Inventors: Steffen Ohr, Guenter Wimmer, Philipp Hunziker, Michael Kässberger, Joachim Schoelkopf
  • Patent number: 10046984
    Abstract: The present invention relates to the use of a colloidal precipitated calcium carbonate (cPCC) for adsorbing and/or reducing the amount of at least one organic material in an aqueous medium.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: August 14, 2018
    Assignee: Omya International AG
    Inventors: Daniel Gantenbein, Patrick A. C. Gane, Joachim Schoelkopf, Juhana Tuomas Lehtipuu
  • Patent number: 10047247
    Abstract: The present invention relates to a composition comprising hedge-hog shaped particles, at least one binder, and at least one hydrophobizing agent and/or at least one hydrophilizing agent, a method for controlling the wettability of substrate surfaces using these compositions, as well as a material comprising these compositions.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: August 14, 2018
    Assignee: Omya International AG
    Inventors: Joachim Schoelkopf, Hans-Joachim Weitzel