Patents by Inventor Lars-Erik Bergman

Lars-Erik Bergman 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: 11326266
    Abstract: An electrode (10) is disclosed. The electrode (10) comprises an electrode substrate (20). A layer of TiOx (30, 40) with a total thickness in the range of between 40-200 ?m is present on at least one surface of the electrode substrate (20) and a porosity of layer of TiOx (30, 40) is below 15%. An electro-catalytic layer (50) comprising oxides of ruthenium and cerium according comprising at least 50 molar % ruthenium oxides is present on layer of TiOx (30, 40) and wherein x is in the range 1-2 for the layer of TiOx. A process for the manufacture of the electrode (10) is disclosed as are uses thereof.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 10, 2022
    Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.
    Inventors: Magnus Rosvall, Ezio Amerio, John Gustavsson, Susanne Holmin, Lars-Erik Bergman
  • Publication number: 20180265996
    Abstract: An electrode (10) is disclosed. The electrode (10) comprises an electrode substrate (20). A layer of TiOx (30, 40) with a total thickness in the range of between 40-200 ?m is present on at least one surface of the electrode substrate (20) and a porosity of layer of TiOx (30, 40) is below 15%. An electro-catalytic layer (50) comprising oxides of ruthenium and cerium according comprising at least 50 molar % ruthenium oxides is present on layer of TiOx (30, 40) and wherein x is in the range 1-2 for the layer of TiOx. A process for the manufacture of the electrode (10) is disclosed as are uses thereof.
    Type: Application
    Filed: September 22, 2016
    Publication date: September 20, 2018
    Inventors: Magnus ROSVALL, Ezio AMERIO, John GUSTAVSSON, Susanne HOLMIN, Lars-Erik BERGMAN
  • Patent number: 7011738
    Abstract: The present invention relates to a method for activation of a cathode comprising at least a cathode substrate wherein the cathode is cleaned by means of an acid, the cleaned cathode is coated with at least one electrocatalytic coating solution, drying the coated cathode until it is at least substantially dry, and thereafter contacting the cathode with a solvent redissolving precipitated electrocatalytic salts or acids formed on the cathode, originating from the electrocatalytic solution, to form dissolved electrocatalytic metal ions on the cathode surface, so that said electrocatalytic metal ions can precipitate as metals on the cathode. The invention also comprises a cathode obtainable by the method and the use of an activated cathode in an electrolytic cell for producing chlorine and alkali hydroxide.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: March 14, 2006
    Assignee: Akzo Nobel N.V.
    Inventors: Lars-Erik Bergman, Erik Zimmerman, Tomas Widenfalk, Bernd Busse
  • Patent number: 6821575
    Abstract: The invention relates to a method for preparing a conductive electrode comprising applying a precursor for electrocatalytic or protective coatings on a conductive electrode substrate, irradiating the conductive electrode substrate and the precursor with near infrared (NIR) radiation to form an electrocatalytic or protective coating on the electrode substrate. The invention also relates to an electrode substrate or electrode obtainable by the method, and the use thereof.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: November 23, 2004
    Assignee: Advanced Photonics Technologies AG
    Inventors: Takayuki Shimamune, Bernd Busse, Erik Zimmerman, Lars-Erik Bergman
  • Patent number: 6733639
    Abstract: The invention relates to a gas diffusion electrode (1) comprising a hydrophobic gas diffusion layer (3b), a reaction layer (3a), and a hydrophilic layer (5) arranged in the mentioned order wherein the reaction layer (3a) is arranged to a barrier layer (4), which barrier layer (4), on its opposite side, is arranged to the hydrophilic layer (5). The invention also relates to a method for manufacturing such a gas diffusion electrode (1), and to an electrolytic cell, and use thereof.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: May 11, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Bernd Busse, Lars-Erik Bergman
  • Publication number: 20030159923
    Abstract: The present invention relates to a method for activation of a cathode comprising at least a cathode substrate wherein the cathode is cleaned by means of an acid, the cleaned cathode is coated with at least one electrocatalytic coating solution, drying the coated cathode until it is at least substantially dry, and thereafter contacting the cathode with a solvent redissolving precipitated electrocatalytic salts or acids formed on the cathode, originating from the electrocatalytic solution, to form dissolved electrocatalytic metal ions on the cathode surface, so that said electrocatalytic metal ions can precipitate as metals on the cathode. The invention also comprises a cathode obtainable by the method and the use of an activated cathode in an electrolytic cell for producing chlorine and alkali hydroxide.
    Type: Application
    Filed: February 25, 2003
    Publication date: August 28, 2003
    Inventors: Lars-Erik Bergman, Erik Zimmerman, Tomas Widenfalk, Bernd Busse
  • Publication number: 20020114964
    Abstract: The invention relates to a method for preparing a conductive electrode comprising applying a precursor for electrocatalytic or protective coatings on a conductive electrode substrate, irradiating the conductive electrode substrate and the precursor with near infrared (NIR) radiation to form an electrocatalytic or protective coating on the electrode substrate.
    Type: Application
    Filed: December 18, 2001
    Publication date: August 22, 2002
    Applicant: AKZO NOBEL N.V.
    Inventors: Takayuki Shimamune, Bernd Busse, Erik Zimmerman, Lars-Erik Bergman
  • Publication number: 20020110726
    Abstract: The invention relates to a gas diffusion electrode (1) comprising a hydrophobic gas diffusion layer (3b), a reaction layer (3a), and a hydrophilic layer (5) arranged in the mentioned order wherein the reaction layer (3a) is arranged to a barrier layer (4), which barrier layer (4), on its opposite side, is arranged to the hydrophilic layer (5). The invention also relates to a method for manufacturing such a gas diffusion electrode (1), and to an electrolytic cell, and use thereof.
    Type: Application
    Filed: November 9, 2001
    Publication date: August 15, 2002
    Inventors: Bernd Busse, Lars-Erik Bergman
  • Patent number: 5120904
    Abstract: Electrode used for one pole in underwater transmission of high-voltage direct current, an insulated cable being used for the other pole, such electrodes being adapted to be stationary on the bottom of the sea to serve as the anode and the cathode, respectively, while the sea-water constitutes the electric conductor therebetween. What characterises the invention is that the electrode comprises at least one layer (1) of a flexible, electrically conductive material which preferably is resistant to chlorine-alkali, said layer (1) being enclosed between protective structures (2,3) of a flexible, mechanically resistant material which preferably is resistant to chlorine-alkali, at least one protective structure (2) having openings (4) which are positioned across the surface thereof and through which the sea-water comes into contact with the layer (1).
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: June 9, 1992
    Assignee: Permascand AB
    Inventors: Anders Ullman, Lars-Erik Bergman, Sven-Erik Bohlin, Pekka Heiskanen