US 11,859,031 B2
Alkane-soluble non-metallocene precatalysts
Bethany M. Neilson, Manvel, TX (US); Roger L Kuhlman, Lake Jackson, TX (US); Ian M. Munro, Lake Jackson, TX (US); and John F. Szul, Hurricane, WV (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/279,246
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Oct. 11, 2019, PCT No. PCT/US2019/055893
§ 371(c)(1), (2) Date Mar. 24, 2021,
PCT Pub. No. WO2020/096734, PCT Pub. Date May 14, 2020.
Claims priority of provisional application 62/756,236, filed on Nov. 6, 2018.
Prior Publication US 2022/0010045 A1, Jan. 13, 2022
Int. Cl. C08F 4/64 (2006.01); C08F 4/76 (2006.01); C07F 7/00 (2006.01); C08F 210/16 (2006.01)
CPC C08F 210/16 (2013.01) [C07F 7/00 (2013.01); C08F 4/64148 (2013.01); C08F 4/76 (2013.01); C08F 2420/10 (2021.01)] 9 Claims
 
1. A compound of formula (1):

OG Complex Work Unit Chemistry
wherein M is Zr or Hf and each R independently is methyl, an unsubstituted (C2-C4)alkyl group, an unsubstituted (C5-C12)alkyl group, or an unsubstituted or substituted quaternary-arylalkyl group; and
wherein at least one R is independently —CH2QCR1R2R3; wherein Q independently is unsubstituted phenylene; wherein each of R1, R2, and R3 is independently an unsubstituted (C1-C15)alkyl.