US 12,304,982 B2
Polyolefin polymer and polyolefin polymerization system and method
Hee Jun Lee, Sejong-si (KR); Byung Keel Sohn, Daejeon (KR); Seung Tack Yu, Gyeonggi-do (KR); Young Shin Jo, Daejeon (KR); Sung Ho Choi, Sejong-si (KR); Sung Woo Kang, Daejeon (KR); and Byung Soon Chun, Daejeon (KR)
Assigned to DL CHEMICAL CO., LTD., Seoul (KR)
Filed by DL Chemical CO., LTD., Seoul (KR)
Filed on Jul. 23, 2024, as Appl. No. 18/780,799.
Claims priority of application No. 10-2023-0122347 (KR), filed on Sep. 14, 2023; and application No. 10-2024-0003448 (KR), filed on Jan. 9, 2024.
Prior Publication US 2025/0092173 A1, Mar. 20, 2025
Int. Cl. C08F 210/16 (2006.01); C08F 2/01 (2006.01); C08F 2/14 (2006.01); C08F 2/34 (2006.01)
CPC C08F 210/16 (2013.01) [C08F 2/01 (2013.01); C08F 2/14 (2013.01); C08F 2/34 (2013.01); C08F 2400/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A polyolefin polymer comprising:
a core portion; and
a shell portion,
wherein the density of the core portion is 0.857 g/cm3 to 0.910 g/cm3, the density of the shell portion is 0.890 g/cm3 to 0.940 g/cm3, and the density of the shell portion is higher than the density of the core portion.