Patents by Inventor Richard Ashton

Richard Ashton 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).

  • Phosphine ligands
    Patent number: 6162951
    Abstract: Compounds of Formula (I) wherein R, R.sup.1, R.sup.2 and R.sup.9 are as herein defined, processes for their preparation and transition metal complexes comprising such compounds are disclosed. The complexes may be attached to insoluble supports and are useful as asymetric catalysts.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: December 19, 2000
    Assignee: Oxford Asymmetry International plc
    Inventors: Mario Eugenio Cosamino Polywka, Edwin Moses, Daniel John Bayston, Anthony David Baxter, Mark Richard Ashton
  • Maize acetyl CoA carboxylase encoding DNA clones
    Patent number: 5854420
    Abstract: Clones are disclosed comprising at least part of a DNA sequence of a gene encoding maize acetyl CoA carboxylase, or a sequence showing substantial homology therewith, flanked by heterologous DNA. DNA from such clones may be used to isolate similar sequences in other plants. Such sequences may be used to transform plants to give a variety of useful effects, including resistance to herbicides such as fluazifop, and modified oil-bearing properties.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: December 29, 1998
    Assignees: Zeneca Limited, ICI Australia Operations Proprietary Limited
    Inventors: Anthony Richard Ashton, Colin Leslie Dow Jenkins, Paul Raymond Whitfeld