C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 29/28 (2006.01) C10G 31/00 (2006.01)
Patent
CA 2327899
Disclosed is a method for separating finely divided solids from a hydrocarbon slurry by using an additive that comprises a polymer and, optionally, an alkylbenzene sulfonic acid; and a composition of the additive thereof. The polymer is a polymer having (a) a polymeric backbone comprising polyol units and at least one unsaturated polycarboxylic unit, (b) acrylate units coordinated via unsaturated polycarboxylic units, and (c) oxyalkylated alkyl phenol units.
Kremer Lawrence N.
Lauer Robert S.
Mccallum Andrew
Stark Joseph L.
Baker Hughes Incorporated
Sim & Mcburney
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