Mineral oils: processes and products – Chemical conversion of hydrocarbons – With prevention or removal of deleterious carbon...
Patent
1991-11-12
1992-09-01
Myers, Helane
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With prevention or removal of deleterious carbon...
524484, 524 65, 524 69, 524 64, 525134, 525142, 525143, C08L 3306
Patent
active
051435942
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: 2962442 (1960-11-01), Andres, Jr.
patent: 4053428 (1977-10-01), Pindar et al.
patent: 5073248 (1991-12-01), Stephenson et al.
Comer David G.
Mercer Bradley D.
Stephenson William K.
Barrett Joseph B.
Miller Robert A.
Myers Helane
Nalco Chemical Company
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