US 12,258,302 B2
Ionic liquid alkylation of isobutane with ethylene to produce alkylate
Bong-Kyu Chang, Novato, CA (US); Hye-Kyung Cho Timken, Albany, CA (US); and Huping Luo, Moraga, CA (US)
Assigned to CHEVRON U.S.A. INC., San Ramon, CA (US)
Filed by CHEVRON U.S.A. INC., San Ramon, CA (US)
Filed on Mar. 19, 2024, as Appl. No. 18/609,007.
Application 18/609,007 is a division of application No. 17/954,420, filed on Sep. 28, 2022, granted, now 11,964,926.
Claims priority of provisional application 63/289,685, filed on Dec. 15, 2021.
Prior Publication US 2024/0217897 A1, Jul. 4, 2024
Int. Cl. C07C 2/60 (2006.01); B01J 31/02 (2006.01); C07C 9/16 (2006.01); C10L 1/06 (2006.01)
CPC C07C 2/60 (2013.01) [B01J 31/0244 (2013.01); C07C 9/16 (2013.01); C10L 1/06 (2013.01); C07C 2531/02 (2013.01); C10L 2200/0423 (2013.01); C10L 2270/023 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An alkylate having a research octane number (RON) of 93 or more, comprising:
(i) at least 70 wt. % C6 paraffins, wherein the C6 paraffins comprise isomers of dimethylbutane (DMB) and methylpentane (MP) and a molar ratio of DMB to MP is at least 7:1;
(ii) 1 wt. % to 30 wt. % C8 paraffins; and
(iii) less than 20 wt. % C9+ paraffins.