US 12,280,360 B2
Catalyst systems and methods for producing olefins using the same
Lin Luo, Freeport, TX (US); Yang Yang, Freeport, TX (US); and Matthew T. Pretz, Freeport, TX (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 18/257,909
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Dec. 15, 2021, PCT No. PCT/US2021/063480
§ 371(c)(1), (2) Date Jun. 16, 2023,
PCT Pub. No. WO2022/132876, PCT Pub. Date Jun. 23, 2022.
Claims priority of provisional application 63/127,435, filed on Dec. 18, 2020.
Prior Publication US 2024/0100510 A1, Mar. 28, 2024
Int. Cl. B01J 23/62 (2006.01); B01J 35/40 (2024.01); C07C 5/32 (2006.01)
CPC B01J 23/62 (2013.01) [B01J 35/40 (2024.01); C07C 5/325 (2013.01); C07C 2523/08 (2013.01); C07C 2523/42 (2013.01); C07C 2523/62 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A fluidization promoter useful for dehydrogenation, the fluidization promoter comprising:
from 0.1 weight percent to 10 weight percent gallium based on the total weight of the fluidization promoter;
from 5 parts per million to 500 parts per million platinum based on the total weight of the fluidization promoter;
less than 5 weight percent of alkali metal or alkaline earth metal based on the total weight of the fluidization promoter; and
a support material,
wherein a median particle size of the fluidization promoter is from 20 microns to 50 microns.