Patents by Inventor Sally J. Ayres

Sally J. Ayres 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).

  • Fuel compositions
    Patent number: 5487763
    Abstract: Additives for distillate fuel are a copolymer of (1) an alpha olefin having two to seventeen carbon atoms per molecule or an aromatic substituted olefin having eight to forty carbon atoms per molecule and (2) a mono- or di-alkyl fumarate, itaconate, citraconate, mesaconate, trans- or cis-glutaconate, in which the alkyl group has 8 to 23 carbon atoms.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: January 30, 1996
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Iain More, Kenneth Lewtas, Jacqueline D. Bland, Sally J. Ayres
  • Crude oil and fuel oil compositions
    Patent number: 4874394
    Abstract: A crude oil or fuel oil composition comprises a major proportion by weight of a crude oil or a fuel oil and a minor proportion by weight of a polycarbonate containing the group ##STR1## where n is an integer of two or more and A is an alkylene, aralkylene or arylene radical, provided the alkylene group can be interrupted by one or more hetero atoms or by one or more carboxylic ester, carbamoyl, urethane, urea or tertiary amino groups. A typical polycarbonate has the formula ##STR2## where R are C.sub.10 to C.sub.30 alkyl groups.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: October 17, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Robert D. Tack, Rodger F. Andrews, Sally J. Ayres