Patents by Inventor Hens ZEGER

Hens ZEGER 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: 10450199
    Abstract: The present invention is in the field of nanoparticles, their preparation and their use as pinning centers in superconductors. In particular the present invention relates to nanoparticles comprising an oxide of Sr, Ba, Y, La, Ti, Zr, Hf, Nb, or Ta, wherein the nanoparticles have a weight average diameter of 1 to 30 nm and wherein an organic compound of general formula (I), (II) or (III) or an organic compound containing at least two carboxylic acid groups on the surface of the nanoparticles (I) (II) (III) wherein a is 0 to 5, b and c are independent of each other 1 to 14, n is 1 to 5, f is 0 to 5, p and q are independent of each other 1 to 14, and e and f are independent of each other 0 to 12.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: October 22, 2019
    Assignee: BASF SE
    Inventors: Maximilian Hemgesberg, Denis Schwall, Thorsten Martin Staudt, Isabel van Driessche, Katrien De Keukeleere, Jonathan De Roo, Till Gruendling, Matthias Maier, Michael Baecker, Jan Bennewitz, Ron Feenstra, Hannes Rijckaert, Hens Zeger
  • Patent number: 10233091
    Abstract: The present invention is in the field of processes for the production of tantalum oxide particles. In particular the present invention relates to a process for producing crystalline tantalum oxide nanoparticles comprising heating a water-free solution containing (a) a tantalum alkoxide, (b) an acid, and (c) a solvent.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: March 19, 2019
    Inventors: Isabel van Driessche, Katrien De Keukeleere, Jonathan De Roo, Hens Zeger
  • Publication number: 20180044197
    Abstract: The present invention is in the field of nanoparticles, their preparation and their use as pinning centers in superconductors. In particular the present invention relates to nanoparticles comprising an oxide of Sr, Ba, Y, La, Ti, Zr, Hf, Nb, or Ta, wherein the nanoparticles have a weight average diameter of 1 to 30 nm and wherein an organic compound of general formula (I), (II) or (III) or an organic compound containing at least two carboxylic acid groups on the surface of the nanoparticles (I) (II) (III) wherein a is 0 to 5, b and c are independent of each other 1 to 14, n is 1 to 5, f is 0 to 5, p and q are independent of each other 1 to 14, and e and f are independent of each other 0 to 12.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 15, 2018
    Applicant: BASF SE
    Inventors: Maximilian HEMGESBERG, Denis SCHWALL, Thorsten Martin STAUDT, Isabel van DRIESSCHE, Katrien DE KEUKELEERE, Jonathan DE ROO, Till GRUENDLING, Matthias MAIER, Michael BAECKER, Jan BENNEWITZ, Ron FEENSTRA, Hannes RIJCKAERT, Hens ZEGER
  • Publication number: 20180044199
    Abstract: The present invention is in the field of processes for the production of tantalum oxide particles. In particular the present invention relates to a process for producing crystalline tantalum oxide nanoparticles comprising heating a water-free solution containing (a) a tantalum alkoxide, (b) an acid, and (c) a solvent.
    Type: Application
    Filed: January 26, 2016
    Publication date: February 15, 2018
    Applicant: BASF SE
    Inventors: Isabel van DRIESSCHE, Katrien DE KEUKELEERE, Jonathan DE ROO, Hens ZEGER