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. 08, 1979
Filed:
Jun. 21, 1976
Heinz Graefje, Ludwigshafen, DE;
Guenther Nottes, Limburgerhof, DE;
Herbert Mueller, Frankenthal, DE;
Guenther Daumiller, Ziegelhausen, DE;
Herwig Hoffmann, Frankenthal, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The novel compounds .omega.-N-disubstituted aminoalkanoic acid N'-amides of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and denote branched-chain or straight-chain alkyl radicals of from 7 to 20 carbon atoms, R.sup.2 and R.sup.4 may also denote a preferably mononuclear aralkyl or aryl radical and n denotes an integer of from 3 to 5, the total number of carbon atoms in the radicals R.sup.1 to R.sup.2 and in R.sup.3 and R.sup.4 being at least 16, are added in small quantities to gasoline and effect cleaning of the carburetor and obviate the formation of deposits on the valves.