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:
Aug. 23, 1988
Filed:
Jun. 20, 1986
Cornelis Van Es, Amsterdam, NL;
Richard Miles, Manley, GB;
Gautam T Kalghatgi, Broughton, GB;
John S McArragher, London, GB;
Rudolf F Heldeweg, Chester, GB;
Shell Oil Company, Houston, TX (US);
Abstract
Gasoline composition comprising a major amount of a gasoline suitable for use in spark-ignition engines, and a minor amount of an alkali metal or alkaline earth metal salt of a succinic acid having as substituent on at least one of its .alpha.-carbon atoms an unsubstituted or substituted aliphatic hydrocarbon group having from 20 to 200 carbon atoms, or of a succinic acid derivative having as substitutent on one of its .alpha.-carbon atoms an unsubstituted or substituted aliphatic hydrocarbon group having from 20 to 200 carbon atoms which is connected to the other .alpha.-carbon atom by means of a hydrocarbon moiety having from 1 to 6 carbon atoms.