Patents by Inventor Brid Dillworth

Brid Dillworth 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).

  • Additives and fuel oil compositions
    Patent number: 6280488
    Abstract: An additive composition comprising: (a) an ashless dispersant comprising an acylated nitrogen compound; and (b) a carboxylic acid, or an ester of the carboxylic acid and an alcohol wherein the acid has from 2 to 50 carbon atoms and the alcohol has one or more carbon atoms provides an improvement in the lubricity of fuel oils and exhibits improved solubility in the fuel oil.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: August 28, 2001
    Assignee: Exxon Chemical Patents INC
    Inventors: Brid Dillworth, Rinaldo Caprotti
  • Additives and fuel oil compositions
    Patent number: 5958089
    Abstract: An additive composition comprising: (a) an ashless dispersant comprising an acylated nitrogen compound; and (b) a carboxylic acid, or an ester of the carboxylic acid and an alcohol wherein the acid has from 2 to 50 carbon atoms and the alcohol has one or more carbon atoms, which provides an improvement in the lubricity of fuel oils and exhibits improved solubility in the fuel oil.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: September 28, 1999
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Brid Dillworth, Rinaldo Caprotti