US 12,187,876 B2
Continuous feed of antistatic agent for gas phase polymerization process
Olavo Martins Junior, São Paulo (BR); Dihogenes Adriano Pozzer, São Paulo (BR); Élita Cavalli, São Paulo (BR); Adriano Giraldi Fisch, São Paulo (BR); and Roberto Osório Jimenez, São Paulo (BR)
Assigned to Braskem S.A., Camaçari (BR)
Filed by Braskem S.A., Camaçari (BR)
Filed on Oct. 10, 2023, as Appl. No. 18/483,687.
Application 18/483,687 is a continuation of application No. 16/728,802, filed on Dec. 27, 2019, granted, now 11,820,879.
Claims priority of provisional application 62/785,846, filed on Dec. 28, 2018.
Prior Publication US 2024/0034858 A1, Feb. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C08K 5/56 (2006.01); C07F 5/06 (2006.01); C08F 10/02 (2006.01); C08F 10/06 (2006.01)
CPC C08K 5/56 (2013.01) [C07F 5/062 (2013.01); C08F 10/02 (2013.01); C08F 10/06 (2013.01); C08K 2201/001 (2013.01)] 35 Claims
OG exemplary drawing
 
1. A method, comprising:
reacting an antistatic agent with at least one alkylaluminum to form an antistatic complex,
wherein
the antistatic agent is an ester of a fatty acid,
the antistatic complex comprises one or more reaction products between the ester of the fatty acid and the at least one alkylaluminum, and
the one or more reaction products comprise aluminum soaps.