US 12,122,973 B2
Guanidinium-based ionic liquid and its use as a lubricant additive
Modestino De Feo, Solaize (FR); Vanessa Pichon, Solaize (FR); Thomas Schubert, Bad Wimpfen (DE); and Boyan Iliev, Heilbronn (DE)
Assigned to TOTALENERGIES ONETECH, Courbevoie (FR)
Appl. No. 17/919,446
Filed by TOTALENERGIES ONETECH, Courbevoie (FR)
PCT Filed Apr. 7, 2021, PCT No. PCT/EP2021/059083
§ 371(c)(1), (2) Date Oct. 17, 2022,
PCT Pub. No. WO2021/209295, PCT Pub. Date Oct. 21, 2021.
Claims priority of application No. 20315180 (EP), filed on Apr. 16, 2020.
Prior Publication US 2023/0167376 A1, Jun. 1, 2023
Int. Cl. C10M 133/22 (2006.01); C10M 169/04 (2006.01); C10N 20/00 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 30/12 (2006.01); C10N 40/25 (2006.01)
CPC C10M 133/22 (2013.01) [C10M 169/04 (2013.01); C10M 2215/14 (2013.01); C10N 2020/077 (2020.05); C10N 2030/04 (2013.01); C10N 2030/12 (2013.01); C10N 2030/52 (2020.05); C10N 2040/252 (2020.05)] 20 Claims
 
1. Guanidinium-based ionic liquid compound of formula (I)
[CAT+][X−]  (I)
wherein [CAT+] represents 1,1,3,3-tetramethylguanidinium
and [X−] represents one or more species selected from compounds of formula (II):
wherein

OG Complex Work Unit Chemistry
A represents an aryl group comprising from 6 to 12 carbon atoms;
R is selected from the group consisting of hydrogen, linear or branched, alkyl or alkenyl groups comprising from 1 to 30 carbon atoms, aryl groups comprising from 6 to 30 carbon atoms;
Y represents a linear or branched alkanediyl group comprising from 1 to 6 carbon atoms; and
n represents an integer from 1 to 20.