Patents by Inventor Samuel Rentsch

Samuel Rentsch 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).

  • PROCESS FOR THE PREPARATION OF SURFACE TREATED MINERAL FILLER PRODUCTS AND USES OF SAME
    Publication number: 20150141565
    Abstract: The present invention relates to a process for preparing a surface treated mineral filler product, and to its preferred use in the field of plastic applications, and in particular polypropylene (PP)- or polyethylene (PE)-based breathable or extrusion coating film applications.
    Type: Application
    Filed: January 29, 2015
    Publication date: May 21, 2015
    Applicant: Omya International AG
    Inventors: Matthias Buri, Patrick A.C. Gane, Samuel Rentsch, René Burkhalter
  • HIGH SOLIDS AND LOW VISCOUS AQUEOUS SLURRIES OF CALCIUM CARBONATE-COMPRISING MATERIALS WITH IMPROVED RHEOLOGICAL STABILITY UNDER INCREASED TEMPERATURE
    Publication number: 20150141551
    Abstract: The present invention concerns aqueous slurries with improved rheo logical stability under increased temperature. The slurries comprise a calcium carbonate containing material and at least one comb polymer.
    Type: Application
    Filed: July 10, 2013
    Publication date: May 21, 2015
    Inventors: Samuel Rentsch, Matthias Buri, Patrick A.C. Gane
  • PROCESS FOR THE PREPARATION OF SURFACE TREATED MINERAL FILLER PRODUCTS AND USES OF SAME
    Publication number: 20150135995
    Abstract: The present invention relates to a process for preparing a surface treated mineral filler product, and to its preferred use in the field of plastic applications, and in particular polypropylene (PP)- or polyethylene (PE)-based breathable or extrusion coating film applications.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 21, 2015
    Applicant: Omya International AG
    Inventors: Matthias Buri, Patrick A.C. Gane, Samuel Rentsch, René Burkhalter
  • SUSTAINABLE ADSORBABLE POLYMERS
    Publication number: 20150128830
    Abstract: The present invention relates to an aqueous suspension of mineral pigment materials having high solids content, which contain dispersing agents and/or grinding agents based on renewable sources, and methods for preparing such a suspension and its use.
    Type: Application
    Filed: May 6, 2013
    Publication date: May 14, 2015
    Inventors: Patrick A.C. Gane, Matthias Buri, Samuel Rentsch, Cécile Ganneau
  • Method for preparing aqueous suspensions of mineral materials using amines in combination with vinyl-carboxylic polymers
    Patent number: 9029448
    Abstract: The invention relates to the preparation of an aqueous suspension of mineral matter by dispersion and/or grinding in the presence of at least one amine and one vinyl-carboxylic polymer, with the amine allowing to reduce the amount of the polymer and the use of the resulting suspension.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: May 12, 2015
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Matthias Buri, Samuel Rentsch
  • Process for the preparation of surface-treated calcium carbonate material and use of same in the control of organic material in an aqueous medium
    Patent number: 9017518
    Abstract: The present invention relates to a process for the production of a surface-treated calcium carbonate, the use of this surface-treated calcium carbonate in a process for the control of organic material in an aqueous medium, as well as to a composite of surface-treated calcium carbonate and organic material, such as a composite of surface-treated calcium carbonate and to the use of such a composite.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: April 28, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane, Daniel Gantenbein, Joachim Schölkopf
  • Process for the preparation of surface-treated calcium carbonate material and use of same in the control of organic material in an aqueous medium
    Patent number: 9017519
    Abstract: The present invention relates to a process for the production of a surface-treated calcium carbonate, the use of this surface-treated calcium carbonate in a process for the control of organic material in an aqueous medium, as well as to a composite of surface-treated calcium carbonate and organic material, such as a composite of surface-treated calcium carbonate and to the use of such a composite.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: April 28, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane, Daniel Gantenbein, Joachim Schölkopf
  • Method for improving handleability of calcium carbonate containing materials
    Patent number: 8999055
    Abstract: The present invention concerns a calcium carbonate containing material having increased bulk density at equal or improved flowability, and a method of producing such a material. The inventive process comprises the step of contacting a calcium carbonate containing mineral powder with a solution or emulsion or dispersion of a binder.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: April 7, 2015
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Matthias Buri, René Vinzenz Blum, Samuel Rentsch
  • Process for the preparation of surface-treated calcium carbonate material and use of same in the control of organic material in an aqueous medium
    Patent number: 8992734
    Abstract: The present invention relates to a process for the production of a surface-treated calcium carbonate, the use of this surface-treated calcium carbonate in a process for the control of organic material in an aqueous medium, as well as to a composite of surface-treated calcium carbonate and organic material, such as a composite of surface-treated calcium carbonate and to the use of such a composite.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: March 31, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane, Daniel Gantenbein, Joachim Schölkopf
  • Use of 2-((1-methylpropyl)amino)ethanol as additive in aqueous suspensions of calcium carbonate-comprising materials
    Patent number: 8992804
    Abstract: Use of 2-((1-methylpropyl)amino)ethanol as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material, wherein the use provides improved stability with regard to the conductivity of the suspension.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: March 31, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane
  • Use of polyethylenimines as additive in aqueous suspensions of calcium carbonate-comprising materials
    Patent number: 8986441
    Abstract: Use of at least one polyethylenimine as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material, wherein the use provides improved stability with regard to the conductivity of the suspension.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: March 24, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane
  • PREPARATION OF PIGMENTS
    Publication number: 20150059999
    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: Application
    Filed: March 21, 2013
    Publication date: March 5, 2015
    Inventors: Samuel Rentsch, Daniel E. Gerard, Matthias Buri, Patrick A.C. Gane, Vesa Kukkamo
  • USE OF POLYETHYLENIMINES AS ADDITIVE IN AQUEOUS SUSPENSIONS OF CALCIUM CARBONATE-COMPRISING MATERIALS
    Publication number: 20150013571
    Abstract: Use of at least one polyethylenimine as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material, wherein the use provides improved stability with regard to the conductivity of the suspension.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 15, 2015
    Applicant: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A.C. Gane
  • PROCESS FOR THE PREPARATION OF AN AQUEOUS SOLUTION COMPRISING AT LEAST ONE EARTH ALKALI HYDROGEN CARBONATE AND ITS USE
    Publication number: 20150010458
    Abstract: The present invention refers to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its uses. The process may be carried out in a reactor system comprising a tank (1) equipped with a stirrer (2), at least one filtering device (4) and a grinding device (18).
    Type: Application
    Filed: January 31, 2013
    Publication date: January 8, 2015
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A.C. Gane, René Vinzenz Blum, Martine Poffet
  • PROCESS FOR THE PREPARATION OF AN AQUEOUS SOLUTION COMPRISING AT LEAST ONE EARTH ALKALI HYDROGEN CARBONATE AND ITS USE
    Publication number: 20140360940
    Abstract: The present invention refers to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its uses. The process is carried out in a reactor system that comprises a tank (1) equipped with a stirrer (2) and at least one filtering device (4).
    Type: Application
    Filed: January 31, 2013
    Publication date: December 11, 2014
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A.C. Gane, René Vinzenz Blum, Martine Poffet
  • INSTALLATION FOR THE PURIFICATION OF MINERALS, PIGMENTS AND/OR FILLERS AND/OR THE PREPARATION OF PRECIPITATED EARTH ALKALI CARBONATE
    Publication number: 20140341792
    Abstract: The present invention relates to an installation for the purification of minerals, pigments and/or fillers and/or the preparation of precipitated earth alkali carbonate and/or mineralization of water and to the use of such an installation for the purification of minerals, pigments and/or fillers and/or mineralization of water and/or the preparation of precipitated earth alkali carbonate.
    Type: Application
    Filed: January 24, 2013
    Publication date: November 20, 2014
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A.C. Gane, René Vinzenz Blum
  • Use of polyethylenimines as additive in aqueous suspensions of calcium carbonate-comprising materials
    Patent number: 8871018
    Abstract: Use of at least one polyethylenimine as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material, wherein the use provides improved stability with regard to the conductivity of the suspension.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: October 28, 2014
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane
  • AQUEOUS SUSPENSIONS OF CALCIUM CARBONATE-COMPRISING MATERIALS WITH LOW DEPOSIT BUILT UP
    Publication number: 20140299823
    Abstract: The present invention concerns an anti-deposit additive and a deposit and/or corrosion reducing aqueous slurry containing a calcium carbonate containing material. In particular, the present invention is directed to the use of at least one anionically charged comb polymer as an anti-deposit agent in an aqueous slurry comprising a calcium carbonate containing material.
    Type: Application
    Filed: November 6, 2012
    Publication date: October 9, 2014
    Inventors: Patrick A.C. Gane, Samuel Rentsch, Matthias Buri
  • PROCESS FOR WATER BASED MINERAL MATERIAL SLURRY SURFACE WHITENING
    Publication number: 20140290536
    Abstract: The process relates to mineral material slurries used in concrete, sealants, paper, paint or plastic applications, wherein the surface of the wet mineral matter slurry displays an increased whitening.
    Type: Application
    Filed: December 22, 2011
    Publication date: October 2, 2014
    Inventors: Matthias Buri, Samuel Rentsch, Claudia Pudack
  • PROCESS FOR THE PREPARATION OF SURFACE-TREATED CALCIUM CARBONATE MATERIAL AND USE OF SAME IN THE CONTROL OF ORGANIC MATERIAL IN AN AQUEOUS MEDIUM
    Publication number: 20140251916
    Abstract: The present invention relates to a process for the production of a surface-treated calcium carbonate, the use of this surface-treated calcium carbonate in a process for the control of organic material in an aqueous medium, as well as to a composite of surface-treated calcium carbonate and organic material, such as a composite of surface-treated calcium carbonate and to the use of such a composite.
    Type: Application
    Filed: May 22, 2014
    Publication date: September 11, 2014
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A.C. Gane, Daniel Gantenbein, Joachim Schölkopf