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).

  • Publication number: 20160130444
    Abstract: Use of 2-amino-2-ethyl-1,3-propanediol 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: July 7, 2014
    Publication date: May 12, 2016
    Inventors: Samuel Rentsch, Fabio Ippolito, Matthias Buri, Patrick A.C. Gane
  • Patent number: 9328222
    Abstract: The present invention relates to high solids aqueous mineral and/or filler and/or pigment suspensions in acidic pH environment, to a method for producing such high solids aqueous mineral and/or filler and/or pigment suspension to the use of the high solids aqueous mineral and/or filler and/or pigment suspension in paper making, paper coating, plastic, agricultural and/or paint applications and as filler in paper and to a coating color formulation comprising the high solids aqueous mineral and/or filler and/or pigment suspension.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: May 3, 2016
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane
  • Publication number: 20160115302
    Abstract: The present invention relates to a polymer composition comprising at least one polymeric resin and from 0.1 to 95 wt.-% of at least one surface reactive white mineral material, a process for preparing a surface reactive white mineral material, a surface reactive white mineral material obtainable by the process, a fibre and/or filament and/or film and/or thread and/or breathable film comprising the polymer composition and/or the surface reactive white mineral material, an article comprising the polymer composition and/or the surface reactive white mineral material and/or the fibre and/or filament and/or film and/or thread and/or breathable film as well as the use of a phosphoric acid ester blend for decreasing the hydrophilicity and/or moisture pick up susceptibility of the surface reactive white mineral material-containing particle surface.
    Type: Application
    Filed: February 17, 2014
    Publication date: April 28, 2016
    Inventors: Samuel Rentsch, Matthias Buri, Patrick Arthur Charles Gane
  • Publication number: 20160096961
    Abstract: The present invention relates to the technical field of treated mineral filler products. The invention further relates to a process for preparing such treated mineral filler products, 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: December 11, 2015
    Publication date: April 7, 2016
    Inventors: Matthias Buri, Patrick A.C. Gane, Samuel Rentsch, René Burkhalter
  • Patent number: 9293237
    Abstract: Use of 2-aminoethanol 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: May 31, 2011
    Date of Patent: March 22, 2016
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A. C. Gane
  • Patent number: 9260610
    Abstract: Use of 2-amino-2-methyl-1-propanol (AMP) as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material and having a pH of between 8.5 and 11, to increase the suspension pH by at least 0.3 pH units, the AMP being added to said suspension in an amount of from 500 to 15000 mg per litre of the aqueous phase of the suspension, wherein the suspension conductivity change is maintained to within 100 ?S/cm/pH unit.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: February 16, 2016
    Assignee: Omya International AG
    Inventors: Matthias Buri, Samuel Rentsch, Patrick Arthur Charles Gane
  • Publication number: 20160040014
    Abstract: The present invention relates to the use of a new polymeric aqueous emulsion for surface treating particles of mineral matter.
    Type: Application
    Filed: March 12, 2014
    Publication date: February 11, 2016
    Applicants: COATEX, OMYA INTERNATIONAL AG
    Inventors: Denis RUHLMANN, Olivier GUERRET, Jacques MONGOIN, Joe MCJUNKINS, Djillali FOUAL, Marc FELLER, Samuel RENTSCH
  • Patent number: 9243122
    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: March 9, 2015
    Date of Patent: January 26, 2016
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Matthias Buri, René Vinzenz Blum, Samuel Rentsch
  • Patent number: 9238727
    Abstract: The present invention relates to the technical field of treated mineral filler products. The invention further relates to a process for preparing such treated mineral filler products, 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: Grant
    Filed: May 23, 2011
    Date of Patent: January 19, 2016
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, Samuel Rentsch, René Burkhalter
  • Patent number: 9212283
    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: Grant
    Filed: January 29, 2015
    Date of Patent: December 15, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, Samuel Rentsch, René Burkhalter
  • Patent number: 9212284
    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: Grant
    Filed: January 30, 2015
    Date of Patent: December 15, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A.C. Gane, Samuel Rentsch, René Burkhalter
  • Publication number: 20150322604
    Abstract: The present invention concerns a nonwoven fabric comprising at least one polymer comprising a polyester and at least one filler comprising calcium carbonate. The present invention further relates to a process of producing such a nonwoven fabric as well as to the use of calcium carbonate as filler in a nonwoven fabric comprising at least one polymer comprising a polyester.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 12, 2015
    Inventors: Martin Brunner, Erik Laursen, Francesco Pullega, Tazio Fomera, Michael Tinkl, Samuel Rentsch
  • Publication number: 20150315366
    Abstract: The present invention relates to high solids aqueous mineral and/or filler and/or pigment suspensions in acidic pH environment, to a method for producing such high solids aqueous mineral and/or filler and/or pigment suspension to the use of the high solids aqueous mineral and/or filler and/or pigment suspension in paper making, paper coating, plastic, agricultural and/or paint applications and as filler in paper and to a coating color formulation comprising the high solids aqueous mineral and/or filler and/or pigment suspension.
    Type: Application
    Filed: June 7, 2013
    Publication date: November 5, 2015
    Inventors: Matthias Buri, Samuel Rentsch, Patrick A.C. Gane
  • Patent number: 9139735
    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: Grant
    Filed: January 30, 2015
    Date of Patent: September 22, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, Samuel Rentsch, René Burkhalter
  • Patent number: 9139734
    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: Grant
    Filed: May 24, 2011
    Date of Patent: September 22, 2015
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick A. C. Gane, Samuel Rentsch, René Burkhalter
  • Publication number: 20150240056
    Abstract: The present invention relates to a process for preparing a surface treated filler material product with succinic anhydride(s), a surface treated filler material product, a polymer composition, a fiber and/or filament and/or film and/or thread comprising the surface treated filler material product and/or the polymer composition, an article comprising the surface treated filler material product and/or the polymer composition and/or the fiber and/or filament and/or film and/or thread as well as the use of a mono-substituted succinic anhydride for decreasing the hydrophilicity of a calcium carbonate-containing filler material surface and the use of a surface-treated filler material product for initiating the crosslinking reaction in epoxide resins.
    Type: Application
    Filed: October 10, 2013
    Publication date: August 27, 2015
    Inventors: Samuel Rentsch, Matthias Buri, René Vinzenz Blum, Martin Brunner, Patrick A.C. Gane
  • Patent number: 9105372
    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: Grant
    Filed: November 6, 2012
    Date of Patent: August 11, 2015
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Samuel Rentsch, Matthias Burl
  • Publication number: 20150203653
    Abstract: The present invention concerns a rheologically stable aqueous mineral material suspension comprising a) at least one mineral material, and b) at least one polymer of acrylic and/or methacrylic acid, wherein the at least one polymer of acrylic and/or methacrylic acid is obtained by polymerization of acrylic and/or methacrylic acid monomer(s) in water using a compound of the formula (I) wherein X represents Li, Na, K or H, and R represents an alkyl chain comprising 1 to 5 carbon atoms, and the compound of formula (I) is used in an amount of from 0.1 to 2.5 wt. % based on the weight of said monomer(s); has a weight molecular weight Mw of from 800 to 8000 g/mol; a polydispersity index Ip in the range from 2 to 3; and wherein the aqueous mineral material suspension has a content of volatile organic compounds (VOC) of ?20 mg/kg, as well as their preparation process and uses thereof.
    Type: Application
    Filed: September 20, 2013
    Publication date: July 23, 2015
    Inventors: Samuel Rentsch, Matthias Buri, Patrick A.C. Gane
  • Publication number: 20150175772
    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: Application
    Filed: March 9, 2015
    Publication date: June 25, 2015
    Applicant: Omya International AG
    Inventors: Patrick A.C. Gane, Matthias Buri, René Vinzenz Blum, Samuel Rentsch
  • Publication number: 20150141564
    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