US 11,969,718 B2
Modified supported chromium catalysts and ethylene-based polymers produced therefrom
Masud M. Monwar, Bartlesville, OK (US); Carlos A. Cruz, Kingwood, TX (US); Jared L. Barr, Bartlesville, OK (US); and Max P. McDaniel, 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. 18/167,129.
Application 18/167,129 is a division of application No. 17/737,150, filed on May 5, 2022.
Application 17/737,150 is a division of application No. 16/571,228, filed on Sep. 16, 2019, granted, now 11,376,575, issued on Jul. 5, 2022.
Claims priority of provisional application 62/732,020, filed on Sep. 17, 2018.
Prior Publication US 2023/0182121 A1, Jun. 15, 2023
Int. Cl. C08F 110/02 (2006.01); B01J 8/08 (2006.01); B01J 8/18 (2006.01); B01J 19/12 (2006.01); B01J 31/12 (2006.01); C08F 4/78 (2006.01); C08F 10/02 (2006.01); C08F 210/16 (2006.01); B01J 21/08 (2006.01); B01J 23/26 (2006.01); B01J 31/34 (2006.01); B01J 37/16 (2006.01); B01J 37/34 (2006.01); C08F 4/22 (2006.01)
CPC B01J 31/12 (2013.01) [B01J 8/085 (2013.01); B01J 8/18 (2013.01); B01J 19/123 (2013.01); C08F 10/02 (2013.01); C08F 110/02 (2013.01); C08F 210/16 (2013.01); B01J 21/08 (2013.01); B01J 23/26 (2013.01); B01J 31/34 (2013.01); B01J 37/16 (2013.01); B01J 37/34 (2013.01); B01J 37/344 (2013.01); B01J 37/345 (2013.01); B01J 2219/0869 (2013.01); B01J 2219/089 (2013.01); B01J 2219/1203 (2013.01); B01J 2531/62 (2013.01); C08F 4/22 (2013.01); C08F 4/78 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An ethylene homopolymer having:
a number of methyl short chain branches (SCB's) in a range from about 3.5 to about 15 per 1000 total carbon atoms;
a number of butyl short chain branches (SCB's) of less than or equal to about 0.6 per 1000 total carbon atoms; and
a ratio of Mw/Mn in a range from about 4 to about 10.