US 11,814,457 B2
Particle size control of metallocene catalyst systems in loop slurry polymerization reactors
Max P. McDaniel, Bartlesville, OK (US); Carlton E. Ash, Owasso, OK (US); Kathy S. Clear, Bartlesville, OK (US); Eric D. Schwerdtfeger, Bartlesville, OK (US); Carlos A. Cruz, Kingwood, TX (US); and Jeremy M. Praetorius, Bartlesville, OK (US)
Assigned to Chevron Phillips Chemical Company LP, The Woodlands, TX (US)
Filed by Chevron Phillips Chemical Company LP, The Woodlands, TX (US)
Filed on Feb. 10, 2023, as Appl. No. 18/167,120.
Application 17/591,673 is a division of application No. 17/370,022, filed on Jul. 8, 2021, granted, now 11,326,005, issued on May 10, 2022.
Application 17/370,022 is a division of application No. 17/092,394, filed on Nov. 9, 2020, granted, now 11,124,586, issued on Sep. 21, 2021.
Application 18/167,120 is a continuation of application No. 17/889,455, filed on Aug. 17, 2022.
Application 17/889,455 is a continuation of application No. 17/591,673, filed on Feb. 3, 2022, granted, now 11,492,430, issued on Nov. 8, 2022.
Prior Publication US 2023/0192921 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B01J 31/38 (2006.01); B01J 31/00 (2006.01); C08F 4/64 (2006.01); C08F 210/16 (2006.01); C08J 5/18 (2006.01); C08F 4/6592 (2006.01); B01J 3/00 (2006.01); B01J 37/26 (2006.01); B01J 35/02 (2006.01)
CPC C08F 210/16 (2013.01) [B01J 31/38 (2013.01); C08J 5/18 (2013.01); B01J 3/00 (2013.01); B01J 35/023 (2013.01); B01J 37/26 (2013.01); C08F 4/6592 (2013.01); C08F 4/65925 (2013.01); C08F 4/65927 (2013.01); C08F 2410/07 (2021.01); C08F 2500/12 (2013.01); C08F 2500/26 (2013.01); C08J 2323/20 (2013.01)] 21 Claims
 
1. A solid activator comprising:
a fluorided solid oxide and/or a sulfated solid oxide;
wherein the solid activator has:
a d50 average particle size in a range from 15 to 50 μm; and
a particle size span in a range from 0.5 to 1.5.