US 11,912,950 B2
Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants
Markus Hansch, Speyer (DE); Harald Boehnke, Mannheim (DE); Wolfgang Grabarse, Mannheim (DE); Ludwig Voelkel, Limburgerhof (DE); and Maxim Peretolchin, Lambrecht (DE)
Assigned to BASF SE, Ludwigshafen (DE)
Filed by BASF SE, Ludwigshafen (DE)
Filed on Aug. 4, 2021, as Appl. No. 17/444,440.
Application 17/444,440 is a division of application No. 16/860,200, filed on Apr. 28, 2020, granted, now 11,111,449.
Application 16/860,200 is a continuation of application No. 16/528,427, filed on Jul. 31, 2019, granted, now 10,676,685, issued on Jun. 9, 2020.
Application 16/528,427 is a continuation of application No. 15/678,974, filed on Aug. 16, 2017, granted, now 10,407,634, issued on Sep. 10, 2019.
Application 15/678,974 is a continuation of application No. 14/896,598, abandoned, previously published as PCT/EP2014/061834, filed on Jun. 6, 2014.
Claims priority of application No. 13171057 (EP), filed on Jun. 7, 2013; and application No. 14151379 (EP), filed on Jan. 16, 2014.
Prior Publication US 2021/0363451 A1, Nov. 25, 2021
Int. Cl. C10L 1/222 (2006.01); C10L 1/2383 (2006.01); C10M 133/54 (2006.01); C10M 133/56 (2006.01); C10M 141/06 (2006.01); C10M 133/14 (2006.01); C10L 1/188 (2006.01); C07C 213/08 (2006.01); C07C 215/08 (2006.01); C10M 133/08 (2006.01); C10N 30/06 (2006.01); C10N 40/25 (2006.01)
CPC C10L 1/2222 (2013.01) [C07C 213/08 (2013.01); C07C 215/08 (2013.01); C10L 1/1883 (2013.01); C10L 1/222 (2013.01); C10L 1/2225 (2013.01); C10L 1/2383 (2013.01); C10M 133/08 (2013.01); C10M 133/14 (2013.01); C10M 133/54 (2013.01); C10M 133/56 (2013.01); C10M 141/06 (2013.01); C10L 2200/0259 (2013.01); C10L 2200/043 (2013.01); C10L 2200/0423 (2013.01); C10L 2200/0446 (2013.01); C10L 2270/023 (2013.01); C10L 2270/026 (2013.01); C10L 2290/24 (2013.01); C10M 2207/127 (2013.01); C10M 2215/042 (2013.01); C10M 2215/26 (2013.01); C10M 2215/28 (2013.01); C10N 2030/06 (2013.01); C10N 2040/253 (2020.05); C10N 2040/255 (2020.05)] 16 Claims
 
1. A method for preparing a gasoline fuel composition, comprising:
adding to gasoline, a salt or a purified form thereof of a hydrocarbyl-substituted polycarboxylic acid and a hydrocarbyl epoxide quaternized nitrogen compound obtained by reaction of an amino alkanol of formula (13) with a quaternizing agent of formula (14) to obtain a quaternized nitrogen compound of formula (12a), formula (12b) or a mixture thereof according to Eq. (1); wherein the reaction with the quaternizing agent is in the presence of a free hydrocarbyl-substituted polycarboxylic acid of formula (11);

OG Complex Work Unit Chemistry
wherein
R5 is H or an aliphatic or aromatic radical comprising 1 to 10 carbon atoms,
R1 is a long-chain hydrocarbyl having a number-average molecular weight (Mn) of 85 to 20,000, or is a polyalkylene radical having a degree of polymerization of 2 to 100; and
R is H or a radical CH2CH(R5)OH or a radical CH(R5)CH2OH;
R6 and R7 are the same or different and are each alkyl, alkenyl, hydroxyalkyl, hydroxyalkenyl, aminoalkyl or aminoalkenyl, or R6 and R7 together are alkylene, oxyalkylene or aminoalkylene; and
A is a straight-chain or branched alkylene or alkenylene radical optionally interrupted by one or more heteroatoms;
wherein addition of the reaction product reduces the level of deposits in an intake system of a gasoline engine.