05143594 is referenced by 18 patents and cites 3 patents.

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.

Title
Refinery anti-foulant - asphaltene dispersant
Application Number
433885
Publication Number
5143594
Application Date
November 12, 1991
Publication Date
September 1, 1992
Inventor
David G Comer
Sugar Land
TX, US
Bradley D Mercer
Houston
TX, US
William K Stephenson
Sugar Land
TX, US
Agent
Joseph B Barrett
Robert A Miller
Assignee
Nalco Chemical Company
IL, US
IPC
C08L 33/06
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