US 11,866,665 B2
Anti-fouling compositions for use in crude oil production and processing
Omer Gul, Rosenberg, TX (US); Abuzar Syed, Richmond, TX (US); Larnesia Caulfield, Houston, TX (US); Juan M. Garcia, III, Sugar Land, TX (US); and Janelle Leigh Pennington, Missouri City, TX (US)
Assigned to Ecolab USA Inc., St. Paul, MN (US)
Filed by Ecolab USA Inc., St. Paul, MN (US)
Filed on Dec. 28, 2021, as Appl. No. 17/646,190.
Claims priority of provisional application 63/131,272, filed on Dec. 28, 2020.
Prior Publication US 2022/0204878 A1, Jun. 30, 2022
Int. Cl. C10G 75/04 (2006.01); C09D 7/65 (2018.01); C09D 7/63 (2018.01); C09D 161/06 (2006.01)
CPC C10G 75/04 (2013.01) [C09D 7/63 (2018.01); C09D 7/65 (2018.01); C09D 161/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An anti-fouling composition for inhibiting fouling of a structural part in a petroleum-refining system exposed to a hydrocarbon fluid, the anti-fouling composition comprising:
an effective amount of a resin comprising an alkyl phenol-aldehyde resin; and
an effective amount of a polyolefin comprising a polyalkylene ester, polyolefin amide alkeneamine, or a combination thereof,
wherein the anti-fouling composition inhibits fouling of a structural part in a petroleum-refining system exposed to a hydrocarbon fluid.