Patents by Inventor Harnish Ryder

Harnish Ryder 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).

  • COMBINATIONS COMPRISING ANTIMUSCARINIC AGENTS AND PDE4 INHIBITORS
    Publication number: 20120309726
    Abstract: A combination which comprises (a) a PDE4 inhibitor and (b) an antagonist of M3 muscarinic receptors which is (3R)-1-phenethyl-3-(9H-xanthene-9carbonyloxy)-1-azoniabicyclo[2.2.2]octane, in the form of a salt having an anion X, which is a pharmaceutically acceptable anion of a mono or polyvalent acid.
    Type: Application
    Filed: August 17, 2012
    Publication date: December 6, 2012
    Inventors: Jordi Gras Escardo, Jesus Llenas Calvo, Harnish Ryder, Pio Orviz Diaz
  • Pharmaceutical piperazine compounds
    Patent number: 5935955
    Abstract: A piperazinedione of general formula (I): ##STR1## wherein R.sup.1 is selected from hydrogen;a group of formula --(NH).sub.t --COR.sup.3 wherein t is 0 or 1 and R.sup.3 is an organic substituent as defined herein;a group of formula (D): ##STR2## and a group of formula (E): ##STR3## and the pharmaceutically acceptable salts thereof are useful as modulators of multi-drug resistance.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: August 10, 1999
    Assignee: Xenova Limited
    Inventors: Philip A. Ashworth, Sukhjit Hunjan, Ian A. Pretswell, Harnish Ryder, Stephen J. Brocchini