Polycarboxylic acid-based additives for fuels and lubricants

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United States of America Patent

PATENT NO 11168273
APP PUB NO 20170130153A1
SERIAL NO

15115500

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Abstract

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The present invention relates to the use of an olefin-carboxylic acid copolymer, wherein the copolymer comprises at least one free carboxylic acid side group, or of a nitrogen compound quaternized with epoxide in the presence of an olefin-carboxylic acid copolymer, wherein the copolymer comprises at least one free carboxylic acid side group, as a fuel additive or lubricant additive; to processes for preparing additives of this kind, and to fuels and lubricants additized therewith; such as, more particularly, as a detergent additive; for reduction or prevention of deposits in the injection systems of direct injection diesel engines, especially in common rail injection systems, for reduction of the fuel consumption of direct injection diesel engines, especially of diesel engines with common rail injection systems, and for minimization of power loss in direct injection diesel engines, especially in diesel engines with common rail injection systems; and as an additive for gasoline fuels, especially for operation of DISI engines.

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Patent Owner(s)

Patent OwnerAddress
BASF SELUDWIGSHAFEN 67056

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Böhnke, Harald Mannheim, DE 11 189
Flores-Figueroa, Aaron Mannheim, DE 56 447
Garcia, Castro Ivette Ludwigshafen, DE 56 242
Grabarse, Wolfgang Mannheim, DE 47 286
Hansch, Markus Speyer, DE 59 258
Mühlbach, Klaus Gruenstadt, DE 10 81
Oetter, Günter Frankenthal, DE 45 378
Peretolchin, Maxim Lambrecht, DE 42 214
Völkel, Ludwig Limburgerhof, DE 12 172

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