US 12,304,981 B2
Polymerization using a spiral heat exchanger
Jay L. Reimers, Houston, TX (US); Kevin W. Lawson, Houston, TX (US); Peijun Jiang, Katy, TX (US); and Gabor Kiss, Hampton, NJ (US)
Assigned to ExxonMobil Engineering & Technology Company, Baytown, TX (US)
Filed by ExxonMobil Chemical Patents Inc., Baytown, TX (US)
Filed on Feb. 10, 2022, as Appl. No. 17/669,055.
Application 17/669,055 is a continuation of application No. 15/759,002, granted, now 11,279,775, previously published as PCT/US2016/047844, filed on Aug. 19, 2016.
Claims priority of provisional application 62/234,518, filed on Sep. 29, 2015.
Claims priority of application No. 15197445 (EP), filed on Jan. 19, 2016.
Prior Publication US 2022/0162348 A1, May 26, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08F 210/16 (2006.01); B01J 8/00 (2006.01); B01J 8/22 (2006.01); C08F 2/01 (2006.01); C08F 2/04 (2006.01); C08F 2/38 (2006.01); C08F 4/642 (2006.01); C08F 10/02 (2006.01); C08F 10/06 (2006.01); F25B 13/00 (2006.01)
CPC C08F 210/16 (2013.01) [B01J 8/0015 (2013.01); B01J 8/22 (2013.01); C08F 2/01 (2013.01); C08F 2/04 (2013.01); C08F 2/38 (2013.01); C08F 4/6428 (2013.01); C08F 10/02 (2013.01); C08F 10/06 (2013.01); F25B 13/00 (2013.01); B01J 2208/00141 (2013.01); B01J 2208/00548 (2013.01); C08F 2400/00 (2013.01); C08F 2500/08 (2013.01); C08F 2800/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A polymerization process for forming polymer comprising:
contacting a monomer and a catalyst system in a reaction zone, and recovering polymer,
wherein the reaction zone comprises a recycle pump and a heat exchanger,
wherein a pressure drop across the heat exchanger is less than or equal to about 10 psi.