Patents by Inventor Daniël Adriaan De Vreugd

Daniël Adriaan De Vreugd 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).

  • Method of electrodepositing a metallic coating layer containing nickel and molybdenum
    Patent number: 8551316
    Abstract: This invention relates to a method for producing a metallic coating layer comprising nickel and molybdenum on an electrically conductive substrate by electrodeposition from an aqueous solution including nickel salts, gluconate anions and citrate anions wherein the substrate acts as the cathode and wherein molybdate is added and wherein the pH of the aqueous solution is adjusted between 5.0 and 8.5. The invention also relates to an electrically conductive substrate provided with such a metallic coating layer electrodeposited from the aqueous solution.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: October 8, 2013
    Assignee: Hille & Muller GmbH
    Inventors: Jacques Hubert Olga Joseph Wijenberg, Daniël Adriaan De Vreugd, Ilja Portegies Zwart
  • METHOD OF PROVIDING A METALLIC COATING LAYER AND SUBSTRATE PROVIDED WITH SAID COATING LAYER
    Publication number: 20100167087
    Abstract: This invention relates to a method for producing a metallic coating layer comprising nickel and molybdenum on an electrically conductive substrate by electrodeposition from an aqueous solution including nickel salts, gluconate anions and citrate anions wherein the substrate acts as the cathode and wherein molybdate is added and wherein the pH of the aqueous solution is adjusted between 5.0 and 8.5. The invention also relates to an electrically conductive substrate provided with such a metallic coating layer electrodeposited from the aqueous solution.
    Type: Application
    Filed: July 11, 2008
    Publication date: July 1, 2010
    Applicant: Hille & muller GMBH
    Inventors: Jacques Hubert Olga Joseph Wijenberg, Daniël Adriaan De Vreugd, Ilja Portegies Zwart