Patents by Inventor Stephen Nicholas Heavens

Stephen Nicholas Heavens 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).

  • Solid polycrystalline potassium ion conductor having a ??-AlOstructure, its production and the preparation of potassium metal using this potassium ion conductor
    Patent number: 8551319
    Abstract: A method is provide for preparing potassium metal which comprises embedding a polycrystalline alkali metal ??-Al2O3 molding in an oxidic powder containing potassium and aluminum of a molar K2O:Al2O3 ratio within the range of 1:(x?1) to 1:(x+1), the weight of oxidic powder amounting to at least two times the weight of the molding; heating the embedded molding at a rate of at least 100° C. per hour to at least 1100° C.; and further heating to at least 1300° C., this temperature being maintained for at least one hour prior to cooling.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: October 8, 2013
    Assignee: BASF Aktiengesellschaft
    Inventors: Kerstin Schierle-Arndt, Günther Huber, Stephen Nicholas Heavens, John Stuart Blackburn, Ivor Wynn Jones
  • SOLID POLYCRYSTALLINE POTASSIUM ION CONDUCTOR HAVING A BETA''-Al2O3 STRUCTURE, ITS PRODUCTION AND THE PREPARATION OF POTASSIUM METAL USING THIS POTASSIUM ION CONDUCTOR
    Publication number: 20120145558
    Abstract: A method is provide for preparing potassium metal which comprises embedding a polycrystalline alkali metal ??-Al2O3 moulding in an oxidic powder containing potassium and aluminium of a molar K2O:Al2O3 ratio within the range of 1:(x?1) to 1:(x+1), the weight of oxidic powder amounting to at least two times the weight of the moulding; heating the embedded moulding at a rate of at least 100° C. per hour to at least 1100° C.; and further heating to at least 1300° C., this temperature being maintained for at least one hour prior to cooling.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 14, 2012
    Applicant: BASF Aktiengesellschaft
    Inventors: Kerstin Schierle-Arndt, Günther Huber, Stephen Nicholas Heavens, John Stuart Blackburn, Ivor Wynn Jones
  • Solid polycrystalline potassium ion conductor having a ??-AlOstructure, its production and the preparation of potassium metal using this potassium ion conductor
    Patent number: 8133378
    Abstract: A solid polycrystalline potassium ion conductor having a ??-Al2O3 structure, its production, and the preparation of potassium metal using this potassium ion conductor.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: March 13, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Kerstin Schierle-Arndt, Günther Huber, Stephen Nicholas Heavens, John Stuart Blackburn, Ivor Wynn Jones