Patents by Inventor Martin James Willis

Martin James Willis 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).

  • Patent number: 8021444
    Abstract: A fuel oil composition is disclosed. The fuel oil includes a major proportion of a fuel oil and minor amounts of: (a) at least one polar nitrogen compound effective as a wax anti-settling additive; and (b) at least one reaction product between a hydrocarbyl-substituted succinic acid or anhydride and hydrazine.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: September 20, 2011
    Assignee: Infineum International Limited
    Inventors: Rinaldo Caprotti, Graham Jackson, Martin James Willis
  • Publication number: 20080141579
    Abstract: A method of improving the low temperature properties of a fuel oil and minor amounts of (a) at least one polar nitrogen compound effective and (b) at least one polyamine detergent is disclosed. The method involves adding to the composition (c) at least one acidic organic species.
    Type: Application
    Filed: November 28, 2007
    Publication date: June 19, 2008
    Inventors: Rinaldo Caprotti, Graham Jackson, Martin James Willis, Carlo Fava
  • Publication number: 20080141581
    Abstract: A fuel oil composition is disclosed. The fuel oil includes a major proportion of a fuel oil and minor amounts of: (a) at least one polar nitrogen compound effective as a max anti-settling additive; and (b) at least one reaction product between a hydrocarbayl-substituted succinic acid or anhydride and hydrazine.
    Type: Application
    Filed: November 28, 2007
    Publication date: June 19, 2008
    Inventors: Rinaldo Caprotti, Graham Jackson, Martin James Willis