Patents by Inventor Alexander Peter Dirk MASSELY

Alexander Peter Dirk MASSELY 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: 10160927
    Abstract: Lubricating composition comprising (i) base oil and (ii) a Verkade base compound having the formula (1): wherein R1, R2 and R3 are each independently selected from hydrogen and saturated or unsaturated, straight chain or branched, C1-C22 alkyl groups. The lubricating composition of the present invention exhibits improved base number retention and oxidative stability, particularly in the presence of a biofuel such as fatty acid alkyl ester.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: December 25, 2018
    Assignee: SHELL OIL COMPANY
    Inventors: Alexander Mark Robert James Hellawell, Robert Wilkinson, Alexander Peter Dirk Massely, Robert Moir, Stuart Browning, Richard Thomas Bown, Sravani Gullapalli
  • Publication number: 20170362529
    Abstract: Lubricating composition comprising (i) base oil and (ii) a Verkade base compound having the formula (1): wherein R1, R2 and R3 are each independently selected from hydrogen and saturated or unsaturated, straight chain or branched, C1-C22 alkyl groups. The lubricating composition of the present invention exhibits improved base number retention and oxidative stability, particularly in the presence of a biofuel such as fatty acid alkyl ester.
    Type: Application
    Filed: December 14, 2015
    Publication date: December 21, 2017
    Inventors: Alexander Mark Robert James HELLAWELL, Robert WILKINSON, Alexander Peter Dirk MASSELY, Robert MOIR, Stuart BROWNING, Richard Thomas BOWN, Sravani GULLAPALLI