Mineral oils: processes and products – Products and compositions – Asphalts – tars – pitches and resins
Patent
1991-04-18
1992-03-31
Weisstuch, Aaron
Mineral oils: processes and products
Products and compositions
Asphalts, tars, pitches and resins
524484, 525134, 525142, 525143, C10C 300
Patent
active
051005310
ABSTRACT:
An asphalt or asphaltene refinery anti-foulant technique comprising the use in crude oil, or crude oil fraction, streams of alkyl-substituted phenol formaldehyde liquid resins in combination with hydrophilic-lipophilic vinylic polymers. The polymeric anti-foulant is added to asphalt or asphaltene containing crude oil streams to prevent fouling of metallic, or other, i.e. ceramic, surfaces, especially heat transfer surfaces.
REFERENCES:
patent: 2819237 (1958-01-01), Daniel
Comer David G.
Mercer Bradley D.
Stephenson William K.
Barrett Joseph B.
DiNunzio Mary C.
Epple Donald G.
Miller Robert A.
Nalco Chemical Company
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