Patents by Inventor Gillian Pimblett

Gillian Pimblett 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 preparing carboxylic acids
    Patent number: 5258549
    Abstract: A process for preparing carboxylic acids (e.g. acetic acid) from alcohols (e.g. methanol) by carbonylation is provided. The process employs a catalyst comprising rhodium and nickel supported upon a carbon, preferably a high surface area carbon. The process described is carried out in the presence of hydrogen and a halide promoter leading to high yields of the carboxylic acid under very mild conditions (1 to 50 atmospheres, 150.degree.- 300.degree. C.).
    Type: Grant
    Filed: March 21, 1989
    Date of Patent: November 2, 1993
    Assignee: BP Chemicals Limited
    Inventor: Gillian Pimblett