US 12,012,379 B2
Method of purifying alpha-olefin and composition for purifying alpha-olefin therefor
Yeonock Oh, Daejeon (KR); Choon Sik Shim, Sejong-si (KR); Dae Ho Shin, Daejeon (KR); Jaesuk Choi, Daejeon (KR); and Howon Lee, Daejeon (KR)
Assigned to SABIC SK NEXLENE COMPANY PTE. LTD., Singapore (SG)
Appl. No. 17/757,355
Filed by SABIC SK NEXLENE COMPANY PTE. LTD., Singapore (SG)
PCT Filed Dec. 8, 2020, PCT No. PCT/IB2020/061619
§ 371(c)(1), (2) Date Jun. 14, 2022,
PCT Pub. No. WO2021/124008, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 10-2019-0169339 (KR), filed on Dec. 18, 2019.
Prior Publication US 2023/0032361 A1, Feb. 2, 2023
Int. Cl. C07C 7/13 (2006.01); C08F 6/00 (2006.01); C08F 10/08 (2006.01); C08F 10/14 (2006.01)
CPC C07C 7/13 (2013.01) [C08F 6/005 (2013.01); C08F 10/08 (2013.01); C08F 10/14 (2013.01)] 11 Claims
 
1. A method of purifying an alpha-olefin, wherein impurities are removed by a combination of
molded activated carbon having a specific surface area of 1,200 m2/g or more, an average particle diameter of 0.8 to 40 mm, and a pore volume of more than 0.6 cm3/g as measured by a nitrogen adsorption method, in which pores having a pore diameter of 2 nm or more account for 60% or more of total pores; and
an alumina-zeolite composite.