	US 11,680,121 B2
	Catalyst systems and processes for poly alpha-olefin having high vinylidene content
Jian Yang, Houston, TX (US); Jo Ann M. Canich, Houston, TX (US); Hua Zhou, Missouri City, TX (US); and Jennifer L. Rapp, Houston, TX (US)
Assigned to ExxonMobil Chemical Patents Inc., Baytown, TX (US)
Filed by ExxonMobil Chemical Patents Inc., Baytown, TX (US)
Filed on Jun. 15, 2021, as Appl. No. 17/348,546.
Application 17/348,546 is a division of application No. 16/270,085, filed on Feb. 7, 2019, granted, now 11,084,894.
Claims priority of provisional application 62/732,311, filed on Sep. 17, 2018.
Claims priority of provisional application 62/629,200, filed on Feb. 12, 2018.
Prior Publication US 2022/0106422 A1, Apr. 7, 2022
Int. Cl. C07C 2/30 (2006.01); C07C 2/32 (2006.01); C08F 4/6592 (2006.01); C08F 210/16 (2006.01); C08F 4/659 (2006.01)

CPC C08F 210/16 (2013.01) [C07C 2/30 (2013.01); C07C 2/32 (2013.01); C08F 4/65908 (2013.01); C08F 4/65912 (2013.01); C08F 4/65922 (2013.01)]

12 Claims

1. An unsaturated poly alpha-olefin (PAO) product comprising:

greater than or equal to about 80 mol % vinylidenes, based on total moles of vinyls, vinylidenes, di-substituted vinylenes, and tri-substituted vinylenes contained therein;

0.1 mol % to 3.5 mol % of tri-substituted vinylenes;

3.0 mol % or less of di-substituted vinylenes;

3.0 mol % or less of vinyl groups; based on total moles of vinylidenes, tri-substituted vinylenes, di-substituted vinylenes, and vinylidenes contained therein;

and having an Mn of less than 5000 g/mol as determined by ¹H NMR.