C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/19
C10L 1/32 (2006.01) C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01)
Patent
CA 1124519
ABSTRACT OF THE DISCLOSURE Oil-soluble combinations of (A) ethylene polymer or copolymer, (B) normal paraffinic wax composed of normal hydrocarbons whose average molecular weight is within the range of from 300 to 650, and (C) nitrogen compounds, such as amides, amine salts and ammonium salts, of carboxylic acids or anhydrides, are useful in improving the cold flow properties of distillate hydrocarbon fuel oils, Preferably, the wax contains n-paraffins ranging from C23 to C37 inclusive. If desired, the combina- tion can be usefully stabilized by the addition of one or more compati- bility additives, i.e. a polymer having alkyl side chains of 6 to 30 carbon atoms and derived from carboxylic acid esters and/or olefins or C8-C18 alkanol, e.g. tridecyl alcohol or mixtures of said polymer and alkanol.
336404
Dooley Martin F.
Feldman Nicholas
Ryer Jack
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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