A composition comprising: (a) 0.001% to 20% of at least one compound having: (i) at least one carboxyl group; (ii) at least one amide group; and (iii) at least fifteen carbon atoms; and (b) crude oil; provided that the compound is not represented by formula (I) 1 wherein R1 and R2 independently are hydrogen or C1-C22 alkyl and n is one or two.

Title
Compounds containing amide and carboxyl groups as asphaltene dispersants in crude oil
Application Number
10/447730
Publication Number
20040238404
Application Date
May 29, 2003
Publication Date
December 2, 2004
Inventor
Rajiv Manohar Banavali
Rydal
PA, US
Ravindranath Mukkamala
Lansdale
PA, US
Agent
Rohm And Haas Company
PA, US
IPC
C10G 09/16
C07C 07/20
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