Patents by Inventor Urs Furholz

Urs Furholz 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).

  • NANOPOROUS LAYERS FOR OPTICAL APPLICATIONS
    Publication number: 20150331150
    Abstract: The invention relates to a layer structure comprising a substrate layer and a layer, which comprises a plurality of silicon oxide particles, wherein said silicon oxide particles have a positively charged surface (a PCS layer), which PCS layer is at least partially superimposed to the substrate layer and wherein the refractive index of the PCS layer is less than 1.2, a process for preparing the layer structure having a substrate and a PCS layer, a layer structure obtainable by the process, an optical device comprising the layer structure and the use of a PCS layer.
    Type: Application
    Filed: February 7, 2013
    Publication date: November 19, 2015
    Applicant: ILFORD IMAGING SWITZERLAND GMBH
    Inventors: Urs Furholz, Vincent Ruffieux, Stefan Schuttel
  • RECORDING SHEET FOR INK JET PRINTING
    Publication number: 20140216301
    Abstract: A method for the preparation of silicium dioxide dispersions is provided, wherein the surface of the silicium dioxide is modified by a treatment with the reaction products, formed in a separate reaction step, of at least one compound of trivalent aluminum or of tetravalent zirconium or a mixture thereof with at least one aminoorganosilane; and the invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.
    Type: Application
    Filed: April 9, 2014
    Publication date: August 7, 2014
    Applicant: ILFORD IMAGING SWITZERLAND GMBH
    Inventors: Urs FURHOLZ, Vincent RUFFIEUX, Meinrad SCHAR
  • Recording sheet for ink jet printing
    Patent number: 8697204
    Abstract: A method for the preparation of silicium dioxide dispersions is provided, wherein the surface of the silicium dioxide is modified by a treatment with the reaction products, formed in a separate reaction step, of at least one compound of trivalent aluminum or of tetravalent zirconium or a mixture thereof with at least one aminoorganosilane; and the invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: April 15, 2014
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Urs Fürholz, Vincent Ruffieux, Meinrad Schär
  • Recording Sheet for Ink Jet Printing
    Publication number: 20120078002
    Abstract: A method for the preparation of silicon dioxide dispersions is described, wherein the surface of the silicon dioxide is modified by a treatment with the reaction products of a compound of trivalent aluminum with least one aminoorganosilane. These reaction products are formed in a separate reaction step. The present invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.
    Type: Application
    Filed: December 5, 2011
    Publication date: March 29, 2012
    Inventors: Urs FÜRHOLZ, Vincent Ruffieux, Meinrad Schär
  • Recording sheet for ink jet printing
    Patent number: 8071185
    Abstract: A method for the preparation of silicon dioxide dispersions is described, wherein the surface of the silicon dioxide is modified by a treatment with the reaction products of a compound of trivalent aluminum with least one aminoorganosilane. These reaction products are formed in a separate reaction step. The present invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: December 6, 2011
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Urs Fürholz, Vincent Ruffieux, Meinrad Schär
  • Recording sheet for ink jet printing
    Publication number: 20090233016
    Abstract: A method for the preparation of silicium dioxide dispersions is provided, wherein the surface of the silicium dioxide is modified by a treatment with the reaction products, formed in a separate reaction step, of at least one compound of trivalent aluminum or of tetravalent zirconium or a mixture thereof with at least one aminoorganosilane; and the invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.
    Type: Application
    Filed: March 2, 2009
    Publication date: September 17, 2009
    Inventors: Urs Furholz, Vincent Ruffieux, Meinrad Schar
  • Recording sheet for ink jet printing
    Publication number: 20060078696
    Abstract: A method for the preparation of silicon dioxide dispersions is described, wherein the surface of the silicon dioxide is modified by a treatment with the reaction products of a compound of trivalent aluminum with least one aminoorganosilane. These reaction products are formed in a separate reaction step. The present invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.
    Type: Application
    Filed: October 12, 2005
    Publication date: April 13, 2006
    Inventors: Urs Furholz, Vincent Ruffieux, Meinrad Schar