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).

  • REGENERATABLE ION EXCHANGE MATERIAL FOR REDUCING THE AMOUNT OF CO2
    Publication number: 20170197203
    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 as well as to the use of a regeneratable ion exchange material for reducing the amount of CO2 from a carbon dioxide-containing source.
    Type: Application
    Filed: March 24, 2017
    Publication date: July 13, 2017
    Applicant: Omya International AG
    Inventors: Michel Schenker, Patrick A.C. Gane, Joachim Schoelkopf, Daniel Gantenbein
  • ADSORBING AND/OR REDUCTION OF THE AMOUNT OF ORGANIC MATERIALS IN AN AQUEOUS MEDIUM BY USING COLLOIDAL PRECIPITATED CALCIUM CARBONATE
    Publication number: 20170174533
    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: Application
    Filed: April 13, 2015
    Publication date: June 22, 2017
    Inventors: Daniel Gantenbein, Patrick A.C. Gane, Joachim Schoelkopf, Juhana Tuomas Lehtipuu
  • SURFACE-REACTED CALCIUM CARBONATE FOR DESENSITIZING TEETH
    Publication number: 20170157171
    Abstract: The present invention relates to surface-reacted calcium carbonate, wherein the surface-reacted calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and at least one acid. Said calcium carbonate and oral compositions containing the same can be used as a medicament, and especially in treating dentine hypersensitivity.
    Type: Application
    Filed: March 20, 2015
    Publication date: June 8, 2017
    Inventors: Daniel E. Gerard, Tanja Budde, Joachim Schoelkopf, Patrick A.C. Gane
  • Process for preparing self-binding pigment particle suspensions
    Patent number: 9670366
    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: August 22, 2012
    Date of Patent: June 6, 2017
    Assignee: Omya International AG
    Inventors: Daniel Gantenbein, Joachim Schoelkopf, Patrick A. C. Gane
  • Surface modified calcium carbonate containing minerals and its use
    Patent number: 9650517
    Abstract: The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: May 16, 2017
    Assignee: Omya International AG
    Inventors: Daniel Edward Gerard, Joachim Schoelkopf, Patrick Arthur Charles Gane, Fritz Lehner, Dennis Werner
  • Process for the manufacture of self-binding pigmentary particles, dry or in aqueous suspension or dispersion, containing inorganic matter and binders
    Patent number: 9644100
    Abstract: The present invention is directed to a process for the preparation of an aqueous suspension of self-binding pigmentary particles comprising the following stages: (a) forming one or more aqueous suspensions of at least one inorganic matter comprising calcium carbonate; (b) forming or obtaining one or more aqueous solutions or suspensions or emulsions of at least one binder; and (c) co-grinding the aqueous suspension or suspensions obtained in stage a) with the aqueous solutions or suspensions or emulsions obtained in stage b) in a mill so as to obtain an aqueous suspension of self-binding pigmentary particles.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: May 9, 2017
    Assignee: Omya International AG
    Inventors: Patrick Gane, Joachim Schoelkopf
  • Surface modified calcium carbonate containing minerals and its use
    Patent number: 9637637
    Abstract: The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 2, 2017
    Assignee: Omya International AG
    Inventors: Daniel Edward Gerard, Joachim Schoelkopf, Patrick Arthur Charles Gane, Fritz Lehner, Dennis Werner
  • Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds
    Patent number: 9617430
    Abstract: The present invention is directed to a process for manufacturing a calcium carbonate product including the steps of (i) contacting calcium carbonate with of one or more zirconium compounds in an aqueous suspension and/or of an aqueous emulsion and/or of an aqueous solution to obtain a calcium carbonate-containing slurry, and (ii) dispersing the calcium carbonate-containing slurry to obtain a calcium carbonate product.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: April 11, 2017
    Assignee: Omya International AG
    Inventors: Matthias Buri, Joachim Schoelkopf, Michael Kaessberger
  • Process for preparing self-binding pigment particles
    Patent number: 9611587
    Abstract: The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of a calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: April 4, 2017
    Assignee: Omya International AG
    Inventors: Daniel Gantenbein, Patrick A. C. Gane, Joachim Schoelkopf, Maximilian Laufmann, Lars Andersson
  • METHOD FOR THE PRODUCTION OF GRANULES COMPRISING SURFACE-REACTED CALCIUM CARBONATE
    Publication number: 20170081519
    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: Application
    Filed: May 28, 2015
    Publication date: March 23, 2017
    Inventors: Daniel E. Gerard, Joachim Schoelkopf, Patrick A.C. Gane
  • MINERAL OIL BARRIER
    Publication number: 20170073901
    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: Application
    Filed: February 25, 2015
    Publication date: March 16, 2017
    Applicant: Omya International AG
    Inventors: Steffen Ohr, Guenter Wimmer, Philipp Hunziker, Michael Kässberger, Joachim Schoelkopf
  • PROCESS FOR PREPARING A SURFACE-MODIFIED MATERIAL
    Publication number: 20170065974
    Abstract: The present invention relates to a method of manufacturing a surface-modified material, wherein a substrate, which comprises on at least one side a coating layer comprising a salifiable alkaline or alkaline earth compound, is treated with a liquid composition comprising an acid to form at least one surface-modified region on the coating layer.
    Type: Application
    Filed: May 21, 2015
    Publication date: March 9, 2017
    Inventors: Roger Bollström, Joachim Schoelkopf, Patrick A.C. Gane
  • Process to prepare surface-modified mineral material, resulting products and uses thereof
    Patent number: 9580605
    Abstract: The present invention refers to a process to modify at least part of the surface of at least one mineral material, and to the use, as an additive in an aqueous suspension of mineral materials having a pH between 5 and 10, of at least one agent, wherein the additive allows for the formation of a low volume, high solids content filter or centrifuge cake on dewatering the suspension.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: February 28, 2017
    Assignee: Omya International AG
    Inventors: Guenter Wimmer, Joachim Schölkopf, Hans-Joachim Weitzel, Fridolin Stauffer
  • Coated controlled release active agent carriers
    Patent number: 9579291
    Abstract: The present invention relates to carriers for the controlled release of active agents, comprising a core, comprising surface reacted natural or synthetic calcium carbonate, and at least one active agent, wherein said at least one active agent is associated with said natural or synthetic 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, and a coating encapsulating the core. It furthermore relates to the preparation of loaded carriers, as well as their use in different applications.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: February 28, 2017
    Assignee: Omya International AG
    Inventors: Patrick Schwarzentruber, Nicola Di Maiuta, Joachim Schoelkopf, Catherine Jean Ridgway, Patrick A. C. Gane
  • Process to disperse and / or grind and / or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds
    Patent number: 9574088
    Abstract: The present invention is directed to an aqueous suspension and/or aqueous dispersion of calcium carbonate obtained by the process of manufacturing a calcium carbonate-containing slurry prepared by addition of one or more zirconium compounds, wherein the aqueous suspension and/or aqueous dispersion of calcium carbonate consists essentially of calcium carbonate, water, one or more zirconium compounds and optionally, one or more phosphate-free additives acting as dispersion and/or grinding aid agents.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: February 21, 2017
    Assignee: Omya International AG
    Inventors: Mathias Buri, Joachim Schoelkopf, Michael Kaessberger
  • SURFACE MODIFIED CALCIUM CARBONATE CONTAINING MINERALS AND ITS USE
    Publication number: 20170009077
    Abstract: The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 12, 2017
    Applicant: Omya International Ag
    Inventors: Daniel Edward Gerard, Joachim Schoelkopf, Patrick Arthur Charles Gane, Fritz Lehner, Dennis Werner
  • PROCESS TO PREPARE SURFACE-MODIFIED MINERAL MATERIAL, RESULTING PRODUCTS AND USES THEREOF
    Publication number: 20170002204
    Abstract: The present invention refers to a process to modify at least part of the surface of at least one mineral material, and to the use, as an additive in an aqueous suspension of mineral materials having a pH between 5 and 10, of at least one agent, wherein the additive allows for the formation of a low volume, high solids content filter or centrifuge cake on dewatering the suspension.
    Type: Application
    Filed: September 8, 2016
    Publication date: January 5, 2017
    Applicant: Omya International AG
    Inventors: Guenter Wimmer, Joachim Schoelkopf, Hans-Joachim Weitzel
  • IMPROVED GEL STABILITY
    Publication number: 20160272877
    Abstract: The present invention relates to a composition having a gel strength of from 1.0 ?N to 10.0 N, a method of preparing a composition having a gel strength of from 1.0 ?N to 10.0 N, a method of hydraulically fracturing of a subterranean formation, preferably an oil well or gas well, a hydraulically fracturing fluid as well as the use of said composition for hydraulic fracturing of a subterranean formation. The present invention further relates to the gel and use of this gel in pharmaceutical applications, cosmetic applications, constructing applications, paper applications, paint applications, plastic applications, food applications and/or agricultural applications.
    Type: Application
    Filed: December 12, 2014
    Publication date: September 22, 2016
    Inventors: Daniel GANTENBEIN, Joachim SCHOELKOPF, Patrick A.C. GANE
  • GASTRORETENTIVE DRUG FORMULATION AND DELIVERY SYSTEMS AND THEIR METHOD OF PREPARATION USING FUNCTIONALIZED CALCIUM CARBONATE
    Publication number: 20160256393
    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: Application
    Filed: May 17, 2016
    Publication date: September 8, 2016
    Applicant: Omya International AG
    Inventors: Daniel E. Gerard, Joachim Schoelkopf, Patrick A.C. Gane, Veronika Anna Eberle, Alles Rainer, Maxim Puchkov, Jörg Huwyler
  • Process for preparing surface-reacted calcium carbonate and its use
    Patent number: 9410039
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: August 9, 2016
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Daniel E. Gerard, Joachim Schölkopf