Reaction products of polyalkenyl succinic anhydrides with aromat

Details Reaction products of polyalkenyl succinic anhydrides with aromat Reaction products of polyalkenyl succinic anhydrides with aromat

1992-03-12

1993-05-18

Morris, Theodore

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

208 48R, 585950, C10G 916

Patent

active

052118363

ABSTRACT:
Reaction products of polyalkenyl succinic anhydrides with aromatic secondary amines, then further reacted with aminoalcohols are used as effective antifoulants in liquid hydrocarbonaceous mediums, such as crude oils and gas oils, during processing of such liquids at elevated temperatures. The reaction products are formed via a two-step reaction in which a polyalkenylsuccinic anhydride precursor is reacted with an aromatic secondary amine to form polyalkenylsuccinamide intermediate which, in turn, is reacted with an aminoalcohol.

REFERENCES:
patent: 3235484 (1966-02-01), Colfer
patent: 4522736 (1985-06-01), Andress et al.
patent: 4578178 (1986-03-01), Forester
patent: 4883886 (1989-11-01), Huang

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