Patents Assigned to Davy Process Technololgy Limited
  • Homogenous process for the hydrogenation of carboxylic acids and derivatives thereof
    Patent number: 7709689
    Abstract: A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic phosphine is described in which the hydrogenation is carried out in the presence of at least about 1% by weight water. A process for regenerating a catalyst comprising ruthenium, rhodium, iron, osmium or palladium and an organic phosphine is also described in which the regeneration is carried out in the presence of hydrogen and water.
    Type: Grant
    Filed: April 29, 2003
    Date of Patent: May 4, 2010
    Assignee: Davy Process Technololgy Limited
    Inventors: Melvyn Kilner, Derek Vincent Tyers, Simon Peter Crabtree, Michael Anthony Wood