Patents by Inventor Hans-Jörg Himmel

Hans-Jörg Himmel 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).

  • Molecular hydrogen stores and hydrogen transfer reagents for hydrogenation reactions
    Patent number: 8709377
    Abstract: The present invention relates to a process for reversible hydrogen storage, to a material for reversible hydrogen storage and to the use of the material for reversible hydrogen storage.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: April 29, 2014
    Assignee: Universitat Heidelberg
    Inventors: Hans-Jörg Himmel, Elisabeth Kaifer, Oxana Ciobanu, Pascal Roquette, Walter Siebert
  • Molecular Hydrogen Stores and Hydrogen Transfer Reagents for Hydrogenation Reactions
    Publication number: 20100172825
    Abstract: The present invention relates to a process for reversible hydrogen storage, to a material for reversible hydrogen storage and to the use of the material for reversible hydrogen storage.
    Type: Application
    Filed: April 15, 2008
    Publication date: July 8, 2010
    Applicant: Universitat Heidelberg
    Inventors: Hans-Jörg Himmel, Elisabeth Kaifer, Oxana Ciobanu, Pascal Roquette, Walter Siebert
  • Group(III)-metal-hydrides with a guanidino-type ligand
    Patent number: 6683198
    Abstract: A compound of formula (I) wherein X is aluminium, gallium or indium; each Y, which may be the same or different, is nitrogen or phosphorus; R1 and R2, which may be the same or different, are hydrogen, halogen or alkyl; and R3 to R7, which may be the same or different, are hydrogen or a saturated group, or R3 and R4, or R5 and R6 together represent a saturated divalent link thus completing a ring.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: January 27, 2004
    Assignee: Isis Innovation Limited
    Inventors: Anthony John Downs, Hans-Jörg Himmel