Patents by Inventor Georgios Rafeletos

Georgios Rafeletos 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 alkyl alcohols and/or reactive derivatives thereof
    Patent number: 5696284
    Abstract: In a process for the liquid phase carbonylation of an alkyl alcohol such as methanol, and/or a reactive derivative thereof to produce the corresponding carboxylic acid and/or ester, in the presence of an iridium catalyst, an alkyl halide and water, the reaction is promoted by the presence of at least one promoter selected from cadmium, mercury, zinc, gallium, indium and tungsten, optionally with a co-promoter selected from ruthenium, osmium and rhenium.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: December 9, 1997
    Assignee: BP Chemicals Limited
    Inventors: Michael James Baker, Carl Sherman Garland, Martin Francis Giles, Georgios Rafeletos