Patent ID: 11911749
Assignee: SK INNOVATION CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 9:
10. The ethylene oligomerization catalyst of claim 9, wherein
Y is hydrocarbylene, —N(R21)—, —N(R21)—N(R22)—, ═C(R23)—N(R21)—, —N(R21)—C(R23)(R24)—, or —N(R21)-L3-N(R22)—;
R21 to R24 are independently hydrogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, substituted heterohydrocarbyl, or a substituted heteroatom; and
L3 is hydrocarbylene.