Patents by Inventor Anthony John Downs

Anthony John Downs 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).

  • 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