Patents by Inventor Christophe Ledeore

Christophe Ledeore 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).

  • Oil composition
    Patent number: 6821307
    Abstract: An improved fuel oil composition comprises fuel oil and specific acylated polyalkylene polyamine.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: November 23, 2004
    Assignee: Infineum International Ltd.
    Inventors: Rinaldo Caprotti, Christophe Ledeore
  • Oil composition
    Publication number: 20030192233
    Abstract: An improved fuel oil composition comprises fuel oil and specific acylated polyalkylene polyamine.
    Type: Application
    Filed: December 18, 2002
    Publication date: October 16, 2003
    Inventors: Rinaldo Caprotti, Christophe Ledeore
  • Lubricity additives for fuel oil compositions
    Patent number: 6293977
    Abstract: Products formed from polycarboxylic acids and epoxides form useful lubricity additives.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: September 25, 2001
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Rinaldo Caprotti, Christophe Ledeore
  • Lubricating oil compositions
    Patent number: 6270538
    Abstract: Oils having improved low temperature properties and additives for use therein.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 7, 2001
    Assignee: Exxon Chemical Patents INC
    Inventors: Christophe Ledeore, Graham Jackson, Robert Dryden Tack, Iain More
  • Lubricating oil compositions
    Patent number: 6232277
    Abstract: There are disclosed fuel compositions containing an additive formed by admixture of (i) at least one ethylene polymer, (ii) the product of the condensation reaction between an aldehyde or ketone or reactive equivalent thereof and at least one compound comprising one or more aromatic moieties having at least one substituent of the formula XR1 and one further substituent R2 wherein X is oxygen of sulfur, R1 is hydrogen or a moiety bearing at least one hydrocarbyl group and R2 represents a hydrocarbyl group and (iii) at least one oil soluble polar nitrogen compound different from the condensation product and having one or more substituents of the formula NR13 where R13 represents a hydrocarbyl group containing 8 to 40 carbon atoms.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: May 15, 2001
    Assignee: Exxon Chemical Patents Inc
    Inventors: Christophe Ledeore, Graham Jackson, Robert Dryden Tack, Iain More