The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2001
Filed:
May. 21, 1999
Christophe Ledeore, Et El, FR;
Graham Jackson, Reading, GB;
Robert Dryden Tack, Abingdon, GB;
Iain More, Abingdon, GB;
Exxon Chemical Patents Inc, Linden, NJ (US);
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 XR,and one further substituent R,wherein X is oxygen of sulfur, R,is hydrogen or a moiety bearing at least one hydrocarbyl group and R,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 NR,where R,represents a hydrocarbyl group containing 8 to 40 carbon atoms.