	US 12,435,015 B2
	Methods for reducing fouling in upgrading reactors
David Koenigs, Pearland, TX (US); and Sean W. Ewart, Pearland, TX (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/631,181
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Jul. 7, 2020, PCT No. PCT/US2020/040997 § 371(c)(1), (2) Date Jan. 28, 2022, PCT Pub. No. WO2021/021394, PCT Pub. Date Feb. 4, 2021.
Claims priority of provisional application 62/880,350, filed on Jul. 30, 2019.
Prior Publication US 2022/0185745 A1, Jun. 16, 2022
Int. Cl. C07C 7/20 (2006.01); C07C 2/36 (2006.01); C08F 10/02 (2006.01)

CPC C07C 2/36 (2013.01) [C08F 10/02 (2013.01); C07C 2531/14 (2013.01); C07C 2531/18 (2013.01); C07C 2531/22 (2013.01)]

15 Claims

1. A method for reducing fouling in an oligomerization reactor, comprising:

oligomerizing C₂to C₄hydrocarbons within the oligomerization reactor in the presence of a fouling inhibitor having a particle size D₅₀of less than 100 μm; and

forming linear alpha olefins and olefin polymer mixture, wherein the fouling inhibitor changes the size and/or shape of the olefin polymer mixture.