Patents by Inventor Maria Manuel De Castro Loureiro Barreto Rosa

Maria Manuel De Castro Loureiro Barreto Rosa 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).

  • Process for the carbonylation of ethylenically unsaturated compounds
    Patent number: 6103927
    Abstract: The invention discloses a process for the carbonylation of ethylenically unsaturated compounds by reaction thereof with carbon monoxide and a coreactant in the presence of a catalyst system obtained by combining (a) a source of a Group VIII metal cation (b) a phosphine, arsine or stibine compound acting as a ligand; and (c) a source of anions, other than halide anions, carried out in the presence of substoichiometric amounts of halide anions and/or -in case of a coreactant other than an aromatic alcohol- in the presence of a phenolic promoter. The process provides novel alkylphenol esters that may find use as synthetic lubricant.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: August 15, 2000
    Assignee: Shell Oil Company
    Inventors: Maria Manuel De Castro Loureiro Barreto Rosa, Harold Moncrieff Gillespie, Arend Kuindert Van Helden, Paul David Savage, Eit Drent, Eugene Gerard McKenna
  • Emulsifiable oil
    Patent number: 5776865
    Abstract: Emulsifiable oil, suitable for use as oil phase in oil-based drilling fluids, having one or more ketones with a flashpoint of at least 55.degree. C., in particular oligoketones obtainable by co-oligomerization of carbon monoxide and olefins.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: July 7, 1998
    Assignee: Shell Oil Company
    Inventors: Maria Manuel De Castro Loureiro Barreto Rosa, Arend Kuindert Van Helden, Herman Mathieu Muijs